.com 域名今天迎来 25 岁生日，1985 年的 3 月 15 日（非中国时间），首个 .com 域名 symbolics.com 正式诞生。而当年，全球仅注册 6 个 .com 域名。
1997 年，全球第 100 万个 .com 域名诞生。如今，.com 域名数量每个月以 66.8 万个速度增加。从 2000 年到 2010 年，全球共注册了 5700 万个 .com 域名。
以下为全球最古老的 100 个 .com 域名：
1. symbolics.com: March 15, 1985
2. bbn.com: April 24, 1985
3. think.com: May 24, 1985
4. mcc.com: July 11, 1985
5. dec.com: September 30, 1985
6. northrop.com: November 7, 1985
7. xerox.com: January 9, 1986
8. sri.com: January 17, 1986
9. hp.com: March 3, 1986
10. bellcore.com: March 5, 1986
11. ibm.com: March 19, 1986
12. sun.com: March 19, 1986
13. intel.com: March 25, 1986
14. ti.com: March 25, 1986
15. att.com: April 25, 1986
16. gmr.com: May 8, 1986
17. tek.com: May 8, 1986
18. fmc.com: July 10, 1986
19. ub.com: July 10, 1986
20. bell-atl.com: August 5, 1986
21. ge.com: August 5, 1986
22. grebyn.com: August 5, 1986
23. isc.com: August 5, 1986
24. nsc.com: August 5, 1986
25. stargate.com: August 5, 1986
26. boeing.com: September 2, 1986
27. itcorp.com: September 18, 1986
28. siemens.com: September 29, 1986
29. pyramid.com: October 18, 1986
30. alphacdc.com: October 27, 1986
31. bdm.com: October 27, 1986
32. fluke.com: October 27, 1986
33. inmet.com: October 27, 1986
34. kesmai.com: October 27, 1986
35. mentor.com: October 27, 1986
36. nec.com: October 27, 1986
37. ray.com: October 27, 1986
38. rosemount.com: October 27, 1986
39. vortex.com: October 27, 1986
40. alcoa.com: November 5, 1986
41. gte.com: November 5, 1986
42. adobe.com: November 17, 1986
43. amd.com: November 17, 1986
44. das.com: November 17, 1986
45. data-io.com: November 17, 1986
46. octopus.com: November 17, 1986
47. portal.com: November 17, 1986
48. teltone.com: November 17, 1986
49. 3com.com: December 11, 1986
50. amdahl.com: December 11, 1986
51. ccur.com: December 11, 1986
52. ci.com: December 11, 1986
53. convergent.com: December 11, 1986
54. dg.com: December 11, 1986
55. peregrine.com: December 11, 1986
56. quad.com: December 11, 1986
57. sq.com: December 11, 1986
58. tandy.com: December 11, 1986
59. tti.com: December 11, 1986
60. unisys.com: December 11, 1986
61. cgi.com: January 19, 1987
62. cts.com: January 19, 1987
63. spdcc.com: January 19, 1987
64. apple.com: February 19, 1987
65. nma.com: March 4, 1987
66. prime.com: March 4, 1987
67. philips.com: April 4, 1987
68. datacube.com: April 23, 1987
69. kai.com: April 23, 1987
70. tic.com: April 23, 1987
71. vine.com: April 23, 1987
72. ncr.com: April 30, 1987
73. cisco.com: May 14, 1987
74. rdl.com: May 14, 1987
75. slb.com: May 20, 1987
76. parcplace.com: May 27, 1987
77. utc.com: May 27, 1987
78. ide.com: June 26, 1987
79. trw.com: July 9, 1987
80. unipress.com: July 13, 1987
81. dupont.com: July 27, 1987
82. lockheed.com: July 27, 1987
83. rosetta.com: July 28, 1987
84. toad.com: August 18, 1987
85. quick.com: August 31, 1987
86. allied.com: September 3, 1987
87. dsc.com: September 3, 1987
88. sco.com: September 3, 1987
89. gene.com: September 22, 1987
90. kccs.com: September 22, 1987
91. spectra.com: September 22, 1987
92. wlk.com: September 22, 1987
93. mentat.com: September 30, 1987
94. wyse.com: October 14, 1987
95. cfg.com: November 2, 1987
96. marble.com: November 9, 1987
97. cayman.com: November 16, 1987
98. entity.com: November 16, 1987
99. ksr.com: November 24, 1987
100. nynexst.com: November 30, 1987
