VeriSign · USC-ISI · Cogent · UMD · NASA-ARC · ISC · DOD-NIC · ARL · Autonomica · RIPE · ICANN · WIDE
See also: AS112 · presentations
The root hints file (named.cache, root.ca, root.hints, ...) can be obtained via IANA's page for popular links.
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The root zone will be DNSSEC signed in July 2010 The deployment of the signed root zone is happening now, with some of the root servers already providing signed responses. Though not yet useful for validation purposes these signed responses are larger than unsigned responses and this may have operational impact for resolvers. More information on the deployment of the signed root zone and how to send feedback at: http://www.root-dnssec.org |
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| Server | Operator | Locations | IP Addresses | AS Number |
|---|---|---|---|---|
| A | VeriSign, Inc. | Sites: 6 Global: 6 Local: 0 Los Angeles, CA, US; New York, NY, US *; Frankfurt, DE; Hong Kong, HK; Palo Alto, CA, US *; Ashburn, VA, US * |
IPv4: 198.41.0.4 IPv6: 2001:503:BA3E::2:30 | 19836 |
| B | Information Sciences Institute | Sites: 1 Global: 0 Local: 1 Earth |
IPv4: 192.228.79.201 IPv6: 2001:478:65::53 | none |
| C | Cogent Communications | Sites: 6 Global: 6 Local: 0 Herndon, VA, US; Los Angeles, CA, US; New York, NY, US; Chicago, IL, US; Frankfurt, DE; Madrid, ES | IPv4: 192.33.4.12 | 2149 |
| D | University of Maryland | Sites: 1 Global: 1 Local: 0 College Park, MD, US | IPv4: 128.8.10.90 | 27 |
| E | NASA Ames Research Center | Sites: 1 Global: 1 Local: 0 Mountain View, CA, US | IPv4: 192.203.230.10 | 297 |
| F | Internet Systems Consortium, Inc. | Sites: 49 Global: 2 Local: 47 Ottawa, Canada *; Palo Alto, CA, US *; San Jose, CA, US; New York, NY, US *; San Francisco, CA, US *; Madrid, ES; Hong Kong, HK; Los Angeles, CA, US *; Rome, Italy; Auckland, NZ *; Sao Paulo, BR; Beijing, CN; Seoul, KR *; Moscow, RU *; Taipei, TW; Dubai, AE; Paris, FR *; Singapore, SG; Brisbane, AU *; Toronto, CA *; Monterrey, MX; Lisbon, PT *; Johannesburg, ZA; Tel Aviv, IL; Jakarta, ID; Munich, DE *; Osaka, JP *; Prague, CZ *; Amsterdam, NL *; Barcelona, ES *; Nairobi, KE; Chennai, IN; London, UK *; Santiago de Chile, CL; Dhaka, BD; Karachi, PK; Torino, IT; Chicago, IL, US *; Buenos Aires, AR; Caracas, VE; Oslo, NO *; Panama, PA; Quito, EC; Kuala Lumpur, Malaysia *; Suva, Fiji; Cairo, Egypt; Atlanta, GA, US; Podgorica, ME; St. Maarten, AN * |
IPv4: 192.5.5.241 IPv6: 2001:500:2f::f | 3557 |
| G | U.S. DOD Network Information Center | Sites: 6 Global: 6 Local: 0 Columbus, OH, US; San Antonio, TX, US; Honolulu, HI, US; Fussa, JP; Stuttgart-Vaihingen, DE; Naples, IT | IPv4: 192.112.36.4 | 5927 |
| H | U.S. Army Research Lab | Sites: 1 Global: 1 Local: 0 Aberdeen Proving Ground, MD, US * |
IPv4: 128.63.2.53 IPv6: 2001:500:1::803f:235 | 13 |
| I | Autonomica | Sites: 34 Stockholm, SE; Helsinki, FI; Milan, IT; London, UK; Geneva, CH; Amsterdam, NL; Oslo, NO; Bangkok, TH; Hong Kong, HK; Brussels, BE; Frankfurt, DE; Ankara, TR; Bucharest, RO; Chicago, IL, US; Washington, DC, US; Tokyo, JP; Kuala Lumpur, MY; Palo Alto, CA, US; Jakarta, ID; Wellington, NZ; Johannesburg, ZA; Perth, AU; San Francisco, CA, US; Singapore, SG; Miami, FL, US; Ashburn, VA, US; Mumbai, IN; Beijing, CN; Manila, PH; Doha, QA; Colombo, LK; Vienna, AT; Paris, FR; Taipei, TW | IPv4: 192.36.148.17 | 29216 |
| J | VeriSign, Inc. | Sites: 70 Global: 63 Local: 5 Dulles, VA, US (2 sites); Dulles, VA, US (1 sites); Ashburn, VA, US *; Miami, FL, US; Atlanta, GA, US; Seattle, WA, US; Chicago, IL, US; New York, NY, US *; Honolulu, HI, US; Mountain View, CA, US (1 sites); Mountain View, CA, US (1 sites); San Francisco, CA, US (2 sites) *; Dallas, TX, US; Amsterdam, NL; London, UK; Stockholm, SE (2 sites); Tokyo, JP; Seoul, KR; Beijing, CN; Singapore, SG; Dublin, IE; Kaunas, LT; Nairobi, KE; Montreal, CA; Perth, AU; Sydney, AU; Cairo, EG; Cairo, EG; Warsaw, PL (2 sites); Brasilia, BR; Sao Paulo, BR; Sofia, BG; Prague, CZ; Johannesburg, ZA; Toronto, CA; Buenos Aires, AR; Madrid, ES; Fribourg, CH; Hong Kong, HK (2 sites); Turin, IT; Mumbai, IN; Oslo, NO; Brussels, BE; Paris, FR (2 sites); Helsinki, FI; Frankfurt, DE; Riga, LV; Milan, IT; Rome, IT; Lisbon, PT; San Juan, PR; Edinburgh, UK; Tallin, EE; Taipei, TW; New York, NY, US *; Palo Alto, CA, US *; Anchorage, US; Moscow, RU; Manila, PH; Kuala Lumpur, MY; Luxembourg City, LU; Guam, US; Vancouver, CA; Wellington, NZ |
IPv4: 192.58.128.30 IPv6: 2001:503:C27::2:30 | 26415 |
| K | RIPE NCC | Sites: 18 Global: 5 Local: 13 London, UK *; Amsterdam, NL *; Frankfurt, DE; Athens, GR *; Doha, QA; Milan, IT *; Reykjavik, IS *; Helsinki, FI *; Geneva, CH *; Poznan, PL; Budapest, HU *; Abu Dhabi, AE; Tokyo, JP; Brisbane, AU *; Miami, FL, US *; Delhi, IN; Novosibirsk, RU; Dar es Salaam, TZ |
IPv4: 193.0.14.129 IPv6: 2001:7fd::1 | 25152 |
| L | ICANN | Sites: 3 Global: 3 Local: 0 Los Angeles, CA, US *; Miami, FL, US *; Prague, CZ * |
IPv4: 199.7.83.42 IPv6: 2001:500:3::42 | 20144 |
| M | WIDE Project | Sites: 6 Global: 5 Local: 1 Tokyo, JP (3 sites) *; Seoul, KR; Paris, FR *; San Francisco, CA, US * |
IPv4: 202.12.27.33 IPv6: 2001:dc3::35 | 7500 |
