TTL is a common acronym in the DNS world but most people do not know how TTL is converted to minutes and hours. For example, people struggle to know what TTL 3600 is in hours, or TTL 86400 in minutes.
In the course of this article, you’ll understand the meaning of TTL and how to easily convert it to minutes and hours.
Also, there is a done-for-you table conversion where you can just get the figure you need for most of the TTLs.
Contents
- What Does TTL mean in DNS?
- What’s The Standard TTL to Use?
- How TTL is Converted To Minutes and Hours
- TTL Conversion to Minutes And Hour
- Conclusion
What Does TTL mean in DNS?
TTL stands for “Time to Live” in DNS. It is a value in a DNS record that determines the time frame (in seconds) that a DNS resolver should cache the record before requesting it again from the source.
It helps to reduce the load on the DNS server and improve the overall performance of the network by reducing the number of DNS queries that need to be made.
When a client requests a DNS resolution, the resolver uses the TTL value to decide how long to keep the resolution in its cache before requesting it again.
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What’s The Standard TTL to Use?
The standard TTL value to use can vary depending on the specific use case and the type of DNS record.
For example, for a DNS record that is likely to change frequently, such as the address of a web server, a low TTL value of around 60 seconds or less is typically used. This allows for quick updates to the record in case of any changes.
For DNS records that are less likely to change, such as the address of a mail server or the name servers for a domain, a higher TTL value of several hours or even days is commonly used.
This allows DNS resolvers to cache the record for a longer period of time, reducing the number of queries that need to be made.
In general, the best practice is to use the lowest TTL value that will still provide the desired level of performance.
It is also important to consider the potential impact of changes to the DNS records on your users and to coordinate changes with them to minimize any disruption.
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How TTL is Converted To Minutes and Hours
TTL is typically measured in seconds, so in order to convert it to minutes or hours, you would simply divide the TTL value by the number of seconds in a minute (60 seconds) or an hour (3600 seconds).
To convert TTL to minutes, you can use the following formula: TTL (in minutes) = TTL (in seconds) / 60
For example, if the TTL value is 1800 seconds (30 minutes), you would divide 1800 by 60 to get 30 minutes.
To convert TTL to hours, you can use the following formula: TTL (in hours) = TTL (in seconds) / 3600 seconds.
For example, if the TTL value is 86400 seconds (24 hours), you would divide 86400 by 3600 to get 24 hours.
It’s worth noting that these are rough estimates and are not always accurate. In practice, the actual time a DNS resolver holds a query in its cache can be slightly different from what the TTL value suggests.
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TTL Conversion to Minutes And Hour
See below a table that shows TTL conversions into minutes and hours from TTL 100 to TTL 89000. For ease of use, simply use the find option on your respective browsers to locate a TTL conversion.TTL In Minutes In Hour 100 1.67 0.03 200 3.33 0.06 300 5.00 0.08 400 6.67 0.11 500 8.33 0.14 600 10.00 0.17 700 11.67 0.19 800 13.33 0.22 900 15.00 0.25 1,000 16.67 0.28 1,100 18.33 0.31 1,200 20.00 0.33 1,300 21.67 0.36 1,400 23.33 0.39 1,500 25.00 0.42 1,600 26.67 0.44 1,700 28.33 0.47 1,800 30.00 0.50 1,900 31.67 0.53 2,000 33.33 0.56 2,100 35.00 0.58 2,200 36.67 0.61 2,300 38.33 0.64 2,400 40.00 0.67 2,500 41.67 0.69 2,600 43.33 0.72 2,700 45.00 0.75 2,800 46.67 0.78 2,900 48.33 0.81 3,000 50.00 0.83 3,100 51.67 0.86 3,200 53.33 0.89 3,300 55.00 0.92 3,400 56.67 0.94 3,500 58.33 0.97 3,600 60.00 1.00 3,700 61.67 1.03 3,800 63.33 1.06 3,900 65.00 1.08 4,000 66.67 1.11 4,100 68.33 1.14 4,200 70.00 1.17 4,300 71.67 1.19 4,400 73.33 1.22 4,500 75.00 1.25 4,600 76.67 1.28 4,700 78.33 1.31 4,800 80.00 1.33 4,900 81.67 1.36 5,000 83.33 1.39 5,100 85.00 1.42 5,200 86.67 1.44 5,300 88.33 1.47 5,400 90.00 1.50 5,500 91.67 1.53 5,600 93.33 1.56 5,700 95.00 1.58 5,800 96.67 1.61 5,900 98.33 1.64 6,000 100.00 1.67 6,100 101.67 1.69 6,200 103.33 1.72 6,300 105.00 1.75 6,400 106.67 1.78 6,500 108.33 1.81 6,600 110.00 1.83 6,700 111.67 1.86 6,800 113.33 1.89 6,900 115.00 1.92 7,000 116.67 1.94 7,100 118.33 1.97 7,200 120.00 2.00 7,300 121.67 2.03 7,400 123.33 2.06 7,500 125.00 2.08 7,600 126.67 2.11 7,700 128.33 2.14 7,800 130.00 2.17 7,900 131.67 2.19 8,000 133.33 2.22 8,100 135.00 2.25 8,200 136.67 2.28 8,300 138.33 2.31 8,400 140.00 2.33 8,500 141.67 2.36 8,600 143.33 2.39 8,700 145.00 2.42 8,800 146.67 2.44 8,900 148.33 2.47 9,000 150.00 2.50 9,100 151.67 2.53 9,200 153.33 2.56 9,300 155.00 2.58 9,400 156.67 2.61 9,500 158.33 2.64 9,600 160.00 2.67 9,700 161.67 2.69 9,800 163.33 2.72 9,900 165.00 2.75 10,000 166.67 2.78 10,100 168.33 2.81 10,200 170.00 2.83 10,300 171.67 2.86 10,400 173.33 2.89 10,500 175.00 2.92 10,600 176.67 2.94 10,700 178.33 2.97 10,800 180.00 3.00 10,900 181.67 3.03 11,000 183.33 3.06 11,100 185.00 3.08 11,200 186.67 3.11 11,300 188.33 3.14 11,400 190.00 3.17 11,500 191.67 3.19 11,600 193.33 3.22 11,700 195.00 3.25 11,800 196.67 3.28 11,900 198.33 3.31 12,000 200.00 3.33 12,100 201.67 3.36 12,200 203.33 3.39 12,300 205.00 3.42 12,400 206.67 3.44 12,500 208.33 3.47 12,600 210.00 3.50 12,700 211.67 3.53 12,800 213.33 3.56 12,900 215.00 3.58 13,000 216.67 3.61 13,100 218.33 3.64 13,200 220.00 3.67 13,300 221.67 3.69 13,400 223.33 3.72 13,500 225.00 3.75 13,600 226.67 3.78 13,700 228.33 3.81 13,800 230.00 3.83 13,900 231.67 3.86 14,000 233.33 3.89 14,100 235.00 3.92 14,200 236.67 3.94 14,300 238.33 3.97 14,400 240.00 4.00 14,500 241.67 4.03 14,600 243.33 4.06 14,700 245.00 4.08 14,800 246.67 4.11 14,900 248.33 4.14 15,000 250.00 4.17 15,100 251.67 4.19 15,200 253.33 4.22 15,300 255.00 4.25 15,400 256.67 4.28 15,500 258.33 4.31 15,600 260.00 4.33 15,700 261.67 4.36 15,800 263.33 4.39 15,900 265.00 4.42 16,000 266.67 4.44 16,100 268.33 4.47 16,200 270.00 4.50 16,300 271.67 4.53 16,400 273.33 4.56 16,500 275.00 4.58 16,600 276.67 4.61 16,700 278.33 4.64 16,800 280.00 4.67 16,900 281.67 4.69 17,000 283.33 4.72 17,100 285.00 4.75 17,200 286.67 4.78 17,300 288.33 4.81 17,400 290.00 4.83 17,500 291.67 4.86 17,600 293.33 4.89 17,700 295.00 4.92 17,800 296.67 4.94 17,900 298.33 4.97 18,000 300.00 5.00 18,100 301.67 5.03 18,200 303.33 5.06 18,300 305.00 5.08 18,400 306.67 5.11 18,500 308.33 5.14 18,600 310.00 5.17 18,700 311.67 5.19 18,800 313.33 5.22 18,900 315.00 5.25 19,000 316.67 5.28 19,100 318.33 5.31 19,200 320.00 5.33 19,300 321.67 5.36 19,400 323.33 5.39 19,500 325.00 5.42 19,600 326.67 5.44 19,700 328.33 5.47 19,800 330.00 5.50 19,900 331.67 5.53 20,000 333.33 5.56 20,100 335.00 5.58 20,200 336.67 5.61 20,300 338.33 5.64 20,400 340.00 5.67 20,500 341.67 5.69 20,600 343.33 5.72 20,700 345.00 5.75 20,800 346.67 5.78 20,900 348.33 5.81 21,000 350.00 5.83 21,100 351.67 5.86 21,200 353.33 5.89 21,300 355.00 5.92 21,400 356.67 5.94 21,500 358.33 5.97 21,600 360.00 6.00 21,700 361.67 6.03 21,800 363.33 6.06 21,900 365.00 6.08 22,000 366.67 6.11 22,100 368.33 6.14 22,200 370.00 6.17 22,300 371.67 6.19 22,400 373.33 6.22 22,500 375.00 6.25 22,600 376.67 6.28 22,700 378.33 6.31 22,800 380.00 6.33 22,900 381.67 6.36 23,000 383.33 6.39 23,100 385.00 6.42 23,200 386.67 6.44 23,300 388.33 6.47 23,400 390.00 6.50 23,500 391.67 6.53 23,600 393.33 6.56 23,700 395.00 6.58 23,800 396.67 6.61 23,900 398.33 6.64 24,000 400.00 6.67 24,100 401.67 6.69 24,200 403.33 6.72 24,300 405.00 6.75 24,400 406.67 6.78 24,500 408.33 6.81 24,600 410.00 6.83 24,700 411.67 6.86 24,800 413.33 6.89 24,900 415.00 6.92 25,000 416.67 6.94 25,100 418.33 6.97 25,200 420.00 7.00 25,300 421.67 7.03 25,400 423.33 7.06 25,500 425.00 7.08 25,600 426.67 7.11 25,700 428.33 7.14 25,800 430.00 7.17 25,900 431.67 7.19 26,000 433.33 7.22 26,100 435.00 7.25 26,200 436.67 7.28 26,300 438.33 7.31 26,400 440.00 7.33 26,500 441.67 7.36 26,600 443.33 7.39 26,700 445.00 7.42 26,800 446.67 7.44 26,900 448.33 7.47 27,000 450.00 7.50 27,100 451.67 7.53 27,200 453.33 7.56 27,300 455.00 7.58 27,400 456.67 7.61 27,500 458.33 7.64 27,600 460.00 7.67 27,700 461.67 7.69 27,800 463.33 7.72 27,900 465.00 7.75 28,000 466.67 7.78 28,100 468.33 7.81 28,200 470.00 7.83 28,300 471.67 7.86 28,400 473.33 7.89 28,500 475.00 7.92 28,600 476.67 7.94 28,700 478.33 7.97 28,800 480.00 8.00 28,900 481.67 8.03 29,000 483.33 8.06 29,100 485.00 8.08 29,200 486.67 8.11 29,300 488.33 8.14 29,400 490.00 8.17 29,500 491.67 8.19 29,600 493.33 8.22 29,700 495.00 8.25 29,800 496.67 8.28 29,900 498.33 8.31 30,000 500.00 8.33 30,100 501.67 8.36 30,200 503.33 8.39 30,300 505.00 8.42 30,400 506.67 8.44 30,500 508.33 8.47 30,600 510.00 8.50 30,700 511.67 8.53 30,800 513.33 8.56 30,900 515.00 8.58 31,000 516.67 8.61 31,100 518.33 8.64 31,200 520.00 8.67 31,300 521.67 8.69 31,400 523.33 8.72 31,500 525.00 8.75 31,600 526.67 8.78 31,700 528.33 8.81 31,800 530.00 8.83 31,900 531.67 8.86 32,000 533.33 8.89 32,100 535.00 8.92 32,200 536.67 8.94 32,300 538.33 8.97 32,400 540.00 9.00 32,500 541.67 9.03 32,600 543.33 9.06 32,700 545.00 9.08 32,800 546.67 9.11 32,900 548.33 9.14 33,000 550.00 9.17 33,100 551.67 9.19 33,200 553.33 9.22 33,300 555.00 9.25 33,400 556.67 9.28 33,500 558.33 9.31 33,600 560.00 9.33 33,700 561.67 9.36 33,800 563.33 9.39 33,900 565.00 9.42 34,000 566.67 9.44 34,100 568.33 9.47 34,200 570.00 9.50 34,300 571.67 9.53 34,400 573.33 9.56 34,500 575.00 9.58 34,600 576.67 9.61 34,700 578.33 9.64 34,800 580.00 9.67 34,900 581.67 9.69 35,000 583.33 9.72 35,100 585.00 9.75 35,200 586.67 9.78 35,300 588.33 9.81 35,400 590.00 9.83 35,500 591.67 9.86 35,600 593.33 9.89 35,700 595.00 9.92 35,800 596.67 9.94 35,900 598.33 9.97 36,000 600.00 10.00 36,100 601.67 10.03 36,200 603.33 10.06 36,300 605.00 10.08 36,400 606.67 10.11 36,500 608.33 10.14 36,600 610.00 10.17 36,700 611.67 10.19 36,800 613.33 10.22 36,900 615.00 10.25 37,000 616.67 10.28 37,100 618.33 10.31 37,200 620.00 10.33 37,300 621.67 10.36 37,400 623.33 10.39 37,500 625.00 10.42 37,600 626.67 10.44 37,700 628.33 10.47 37,800 630.00 10.50 37,900 631.67 10.53 38,000 633.33 10.56 38,100 635.00 10.58 38,200 636.67 10.61 38,300 638.33 10.64 38,400 640.00 10.67 38,500 641.67 10.69 38,600 643.33 10.72 38,700 645.00 10.75 38,800 646.67 10.78 38,900 648.33 10.81 39,000 650.00 10.83 39,100 651.67 10.86 39,200 653.33 10.89 39,300 655.00 10.92 39,400 656.67 10.94 39,500 658.33 10.97 39,600 660.00 11.00 39,700 661.67 11.03 39,800 663.33 11.06 39,900 665.00 11.08 40,000 666.67 11.11 40,100 668.33 11.14 40,200 670.00 11.17 40,300 671.67 11.19 40,400 673.33 11.22 40,500 675.00 11.25 40,600 676.67 11.28 40,700 678.33 11.31 40,800 680.00 11.33 40,900 681.67 11.36 41,000 683.33 11.39 41,100 685.00 11.42 41,200 686.67 11.44 41,300 688.33 11.47 41,400 690.00 11.50 41,500 691.67 11.53 41,600 693.33 11.56 41,700 695.00 11.58 41,800 696.67 11.61 41,900 698.33 11.64 42,000 700.00 11.67 42,100 701.67 11.69 42,200 703.33 11.72 42,300 705.00 11.75 42,400 706.67 11.78 42,500 708.33 11.81 42,600 710.00 11.83 42,700 711.67 11.86 42,800 713.33 11.89 42,900 715.00 11.92 43,000 716.67 11.94 43,100 718.33 11.97 43,200 720.00 12.00 43,300 721.67 12.03 43,400 723.33 12.06 43,500 725.00 12.08 43,600 726.67 12.11 43,700 728.33 12.14 43,800 730.00 12.17 43,900 731.67 12.19 44,000 733.33 12.22 44,100 735.00 12.25 44,200 736.67 12.28 44,300 738.33 12.31 44,400 740.00 12.33 44,500 741.67 12.36 44,600 743.33 12.39 44,700 745.00 12.42 44,800 746.67 12.44 44,900 748.33 12.47 45,000 750.00 12.50 45,100 751.67 12.53 45,200 753.33 12.56 45,300 755.00 12.58 45,400 756.67 12.61 45,500 758.33 12.64 45,600 760.00 12.67 45,700 761.67 12.69 45,800 763.33 12.72 45,900 765.00 12.75 46,000 766.67 12.78 46,100 768.33 12.81 46,200 770.00 12.83 46,300 771.67 12.86 46,400 773.33 12.89 46,500 775.00 12.92 46,600 776.67 12.94 46,700 778.33 12.97 46,800 780.00 13.00 46,900 781.67 13.03 47,000 783.33 13.06 47,100 785.00 13.08 47,200 786.67 13.11 47,300 788.33 13.14 47,400 790.00 13.17 47,500 791.67 13.19 47,600 793.33 13.22 47,700 795.00 13.25 47,800 796.67 13.28 47,900 798.33 13.31 48,000 800.00 13.33 48,100 801.67 13.36 48,200 803.33 13.39 48,300 805.00 13.42 48,400 806.67 13.44 48,500 808.33 13.47 48,600 810.00 13.50 48,700 811.67 13.53 48,800 813.33 13.56 48,900 815.00 13.58 49,000 816.67 13.61 49,100 818.33 13.64 49,200 820.00 13.67 49,300 821.67 13.69 49,400 823.33 13.72 49,500 825.00 13.75 49,600 826.67 13.78 49,700 828.33 13.81 49,800 830.00 13.83 49,900 831.67 13.86 50,000 833.33 13.89 50,100 835.00 13.92 50,200 836.67 13.94 50,300 838.33 13.97 50,400 840.00 14.00 50,500 841.67 14.03 50,600 843.33 14.06 50,700 845.00 14.08 50,800 846.67 14.11 50,900 848.33 14.14 51,000 850.00 14.17 51,100 851.67 14.19 51,200 853.33 14.22 51,300 855.00 14.25 51,400 856.67 14.28 51,500 858.33 14.31 51,600 860.00 14.33 51,700 861.67 14.36 51,800 863.33 14.39 51,900 865.00 14.42 52,000 866.67 14.44 52,100 868.33 14.47 52,200 870.00 14.50 52,300 871.67 14.53 52,400 873.33 14.56 52,500 875.00 14.58 52,600 876.67 14.61 52,700 878.33 14.64 52,800 880.00 14.67 52,900 881.67 14.69 53,000 883.33 14.72 53,100 885.00 14.75 53,200 886.67 14.78 53,300 888.33 14.81 53,400 890.00 14.83 53,500 891.67 14.86 53,600 893.33 14.89 53,700 895.00 14.92 53,800 896.67 14.94 53,900 898.33 14.97 54,000 900.00 15.00 54,100 901.67 15.03 54,200 903.33 15.06 54,300 905.00 15.08 54,400 906.67 15.11 54,500 908.33 15.14 54,600 910.00 15.17 54,700 911.67 15.19 54,800 913.33 15.22 54,900 915.00 15.25 55,000 916.67 15.28 55,100 918.33 15.31 55,200 920.00 15.33 55,300 921.67 15.36 55,400 923.33 15.39 55,500 925.00 15.42 55,600 926.67 15.44 55,700 928.33 15.47 55,800 930.00 15.50 55,900 931.67 15.53 56,000 933.33 15.56 56,100 935.00 15.58 56,200 936.67 15.61 56,300 938.33 15.64 56,400 940.00 15.67 56,500 941.67 15.69 56,600 943.33 15.72 56,700 945.00 15.75 56,800 946.67 15.78 56,900 948.33 15.81 57,000 950.00 15.83 57,100 951.67 15.86 57,200 953.33 15.89 57,300 955.00 15.92 57,400 956.67 15.94 57,500 958.33 15.97 57,600 960.00 16.00 57,700 961.67 16.03 57,800 963.33 16.06 57,900 965.00 16.08 58,000 966.67 16.11 58,100 968.33 16.14 58,200 970.00 16.17 58,300 971.67 16.19 58,400 973.33 16.22 58,500 975.00 16.25 58,600 976.67 16.28 58,700 978.33 16.31 58,800 980.00 16.33 58,900 981.67 16.36 59,000 983.33 16.39 59,100 985.00 16.42 59,200 986.67 16.44 59,300 988.33 16.47 59,400 990.00 16.50 59,500 991.67 16.53 59,600 993.33 16.56 59,700 995.00 16.58 59,800 996.67 16.61 59,900 998.33 16.64 60,000 1,000.00 16.67 60,100 1,001.67 16.69 60,200 1,003.33 16.72 60,300 1,005.00 16.75 60,400 1,006.67 16.78 60,500 1,008.33 16.81 60,600 1,010.00 16.83 60,700 1,011.67 16.86 60,800 1,013.33 16.89 60,900 1,015.00 16.92 61,000 1,016.67 16.94 61,100 1,018.33 16.97 61,200 1,020.00 17.00 61,300 1,021.67 17.03 61,400 1,023.33 17.06 61,500 1,025.00 17.08 61,600 1,026.67 17.11 61,700 1,028.33 17.14 61,800 1,030.00 17.17 61,900 1,031.67 17.19 62,000 1,033.33 17.22 62,100 1,035.00 17.25 62,200 1,036.67 17.28 62,300 1,038.33 17.31 62,400 1,040.00 17.33 62,500 1,041.67 17.36 62,600 1,043.33 17.39 62,700 1,045.00 17.42 62,800 1,046.67 17.44 62,900 1,048.33 17.47 63,000 1,050.00 17.50 63,100 1,051.67 17.53 63,200 1,053.33 17.56 63,300 1,055.00 17.58 63,400 1,056.67 17.61 63,500 1,058.33 17.64 63,600 1,060.00 17.67 63,700 1,061.67 17.69 63,800 1,063.33 17.72 63,900 1,065.00 17.75 64,000 1,066.67 17.78 64,100 1,068.33 17.81 64,200 1,070.00 17.83 64,300 1,071.67 17.86 64,400 1,073.33 17.89 64,500 1,075.00 17.92 64,600 1,076.67 17.94 64,700 1,078.33 17.97 64,800 1,080.00 18.00 64,900 1,081.67 18.03 65,000 1,083.33 18.06 65,100 1,085.00 18.08 65,200 1,086.67 18.11 65,300 1,088.33 18.14 65,400 1,090.00 18.17 65,500 1,091.67 18.19 65,600 1,093.33 18.22 65,700 1,095.00 18.25 65,800 1,096.67 18.28 65,900 1,098.33 18.31 66,000 1,100.00 18.33 66,100 1,101.67 18.36 66,200 1,103.33 18.39 66,300 1,105.00 18.42 66,400 1,106.67 18.44 66,500 1,108.33 18.47 66,600 1,110.00 18.50 66,700 1,111.67 18.53 66,800 1,113.33 18.56 66,900 1,115.00 18.58 67,000 1,116.67 18.61 67,100 1,118.33 18.64 67,200 1,120.00 18.67 67,300 1,121.67 18.69 67,400 1,123.33 18.72 67,500 1,125.00 18.75 67,600 1,126.67 18.78 67,700 1,128.33 18.81 67,800 1,130.00 18.83 67,900 1,131.67 18.86 68,000 1,133.33 18.89 68,100 1,135.00 18.92 68,200 1,136.67 18.94 68,300 1,138.33 18.97 68,400 1,140.00 19.00 68,500 1,141.67 19.03 68,600 1,143.33 19.06 68,700 1,145.00 19.08 68,800 1,146.67 19.11 68,900 1,148.33 19.14 69,000 1,150.00 19.17 69,100 1,151.67 19.19 69,200 1,153.33 19.22 69,300 1,155.00 19.25 69,400 1,156.67 19.28 69,500 1,158.33 19.31 69,600 1,160.00 19.33 69,700 1,161.67 19.36 69,800 1,163.33 19.39 69,900 1,165.00 19.42 70,000 1,166.67 19.44 70,100 1,168.33 19.47 70,200 1,170.00 19.50 70,300 1,171.67 19.53 70,400 1,173.33 19.56 70,500 1,175.00 19.58 70,600 1,176.67 19.61 70,700 1,178.33 19.64 70,800 1,180.00 19.67 70,900 1,181.67 19.69 71,000 1,183.33 19.72 71,100 1,185.00 19.75 71,200 1,186.67 19.78 71,300 1,188.33 19.81 71,400 1,190.00 19.83 71,500 1,191.67 19.86 71,600 1,193.33 19.89 71,700 1,195.00 19.92 71,800 1,196.67 19.94 71,900 1,198.33 19.97 72,000 1,200.00 20.00 72,100 1,201.67 20.03 72,200 1,203.33 20.06 72,300 1,205.00 20.08 72,400 1,206.67 20.11 72,500 1,208.33 20.14 72,600 1,210.00 20.17 72,700 1,211.67 20.19 72,800 1,213.33 20.22 72,900 1,215.00 20.25 73,000 1,216.67 20.28 73,100 1,218.33 20.31 73,200 1,220.00 20.33 73,300 1,221.67 20.36 73,400 1,223.33 20.39 73,500 1,225.00 20.42 73,600 1,226.67 20.44 73,700 1,228.33 20.47 73,800 1,230.00 20.50 73,900 1,231.67 20.53 74,000 1,233.33 20.56 74,100 1,235.00 20.58 74,200 1,236.67 20.61 74,300 1,238.33 20.64 74,400 1,240.00 20.67 74,500 1,241.67 20.69 74,600 1,243.33 20.72 74,700 1,245.00 20.75 74,800 1,246.67 20.78 74,900 1,248.33 20.81 75,000 1,250.00 20.83 75,100 1,251.67 20.86 75,200 1,253.33 20.89 75,300 1,255.00 20.92 75,400 1,256.67 20.94 75,500 1,258.33 20.97 75,600 1,260.00 21.00 75,700 1,261.67 21.03 75,800 1,263.33 21.06 75,900 1,265.00 21.08 76,000 1,266.67 21.11 76,100 1,268.33 21.14 76,200 1,270.00 21.17 76,300 1,271.67 21.19 76,400 1,273.33 21.22 76,500 1,275.00 21.25 76,600 1,276.67 21.28 76,700 1,278.33 21.31 76,800 1,280.00 21.33 76,900 1,281.67 21.36 77,000 1,283.33 21.39 77,100 1,285.00 21.42 77,200 1,286.67 21.44 77,300 1,288.33 21.47 77,400 1,290.00 21.50 77,500 1,291.67 21.53 77,600 1,293.33 21.56 77,700 1,295.00 21.58 77,800 1,296.67 21.61 77,900 1,298.33 21.64 78,000 1,300.00 21.67 78,100 1,301.67 21.69 78,200 1,303.33 21.72 78,300 1,305.00 21.75 78,400 1,306.67 21.78 78,500 1,308.33 21.81 78,600 1,310.00 21.83 78,700 1,311.67 21.86 78,800 1,313.33 21.89 78,900 1,315.00 21.92 79,000 1,316.67 21.94 79,100 1,318.33 21.97 79,200 1,320.00 22.00 79,300 1,321.67 22.03 79,400 1,323.33 22.06 79,500 1,325.00 22.08 79,600 1,326.67 22.11 79,700 1,328.33 22.14 79,800 1,330.00 22.17 79,900 1,331.67 22.19 80,000 1,333.33 22.22 80,100 1,335.00 22.25 80,200 1,336.67 22.28 80,300 1,338.33 22.31 80,400 1,340.00 22.33 80,500 1,341.67 22.36 80,600 1,343.33 22.39 80,700 1,345.00 22.42 80,800 1,346.67 22.44 80,900 1,348.33 22.47 81,000 1,350.00 22.50 81,100 1,351.67 22.53 81,200 1,353.33 22.56 81,300 1,355.00 22.58 81,400 1,356.67 22.61 81,500 1,358.33 22.64 81,600 1,360.00 22.67 81,700 1,361.67 22.69 81,800 1,363.33 22.72 81,900 1,365.00 22.75 82,000 1,366.67 22.78 82,100 1,368.33 22.81 82,200 1,370.00 22.83 82,300 1,371.67 22.86 82,400 1,373.33 22.89 82,500 1,375.00 22.92 82,600 1,376.67 22.94 82,700 1,378.33 22.97 82,800 1,380.00 23.00 82,900 1,381.67 23.03 83,000 1,383.33 23.06 83,100 1,385.00 23.08 83,200 1,386.67 23.11 83,300 1,388.33 23.14 83,400 1,390.00 23.17 83,500 1,391.67 23.19 83,600 1,393.33 23.22 83,700 1,395.00 23.25 83,800 1,396.67 23.28 83,900 1,398.33 23.31 84,000 1,400.00 23.33 84,100 1,401.67 23.36 84,200 1,403.33 23.39 84,300 1,405.00 23.42 84,400 1,406.67 23.44 84,500 1,408.33 23.47 84,600 1,410.00 23.50 84,700 1,411.67 23.53 84,800 1,413.33 23.56 84,900 1,415.00 23.58 85,000 1,416.67 23.61 85,100 1,418.33 23.64 85,200 1,420.00 23.67 85,300 1,421.67 23.69 85,400 1,423.33 23.72 85,500 1,425.00 23.75 85,600 1,426.67 23.78 85,700 1,428.33 23.81 85,800 1,430.00 23.83 85,900 1,431.67 23.86 86,000 1,433.33 23.89 86,100 1,435.00 23.92 86,200 1,436.67 23.94 86,300 1,438.33 23.97 86,400 1,440.00 24.00 86,500 1,441.67 24.03 86,600 1,443.33 24.06 86,700 1,445.00 24.08 86,800 1,446.67 24.11 86,900 1,448.33 24.14 87,000 1,450.00 24.17 87,100 1,451.67 24.19 87,200 1,453.33 24.22 87,300 1,455.00 24.25 87,400 1,456.67 24.28 87,500 1,458.33 24.31 87,600 1,460.00 24.33 87,700 1,461.67 24.36 87,800 1,463.33 24.39 87,900 1,465.00 24.42 88,000 1,466.67 24.44 88,100 1,468.33 24.47 88,200 1,470.00 24.50 88,300 1,471.67 24.53 88,400 1,473.33 24.56 88,500 1,475.00 24.58 88,600 1,476.67 24.61 88,700 1,478.33 24.64 88,800 1,480.00 24.67 88,900 1,481.67 24.69 89,000 1,483.33 24.72
Conclusion
In summary, TTL 3600 in minutes is 60 minutes or 1 hour, 14400 TTL in minutes is 240 minutes or 4 hours, and TTL 86400 in minutes is 1440 or 24 hours or 1 day.
My recommendation for TTL is to use the lowest value that will still provide the desired level of performance.
It’s also important to consider the potential impact of changes to the DNS records on your users and to coordinate changes with them to minimize any disruption.
The best practice is to keep the TTL value as low as possible for records that are likely to change frequently, and higher for records that are less likely to change.
It’s also important to be aware that TTL is typically measured in seconds, so it can be converted to minutes or hours for better understanding, but the actual time a DNS resolver holds a query in its cache can be slightly different from what the TTL value suggests.