Every .dk domain whose website address (A record) is announced by AS30058, with the network's IPv6 and DNSSEC adoption and its observed prefixes. An autonomous system is the routing identity of a hosting company or ISP. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
FDCservers.net announces 988 prefixes (849 IPv4, 139 IPv6) and reaches the internet through 10 upstream networks.
| Upstream | Name | Power |
|---|---|---|
| AS6453 | TATA COMMUNICATIONS (AMERICA) INC | |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | |
| AS3257 | GTT-BACKBONE GTT Communications Inc. | |
| AS6939 | Hurricane Electric LLC | |
| AS7195 | EDGEUNO S.A.S | |
| AS5580 | GTT-ASIA GTT Communications Netherlands B.V. | |
| AS12956 | TELXIUS TELEFONICA GLOBAL SOLUTIONS SL | |
| AS202580 | AS-1-NL A-Systems Sp. z o.o. | |
| AS8220 | COLT Technology Services Group Limited | |
| AS13030 | Init7 (Switzerland) Ltd. |
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.