kofco.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 16 changes
Scanned AtChanges since previous scan
2026-08-31 21:17:14
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBKwAgACBZMzmi92S55TkOZ1fj2EwjzMk54Bu4d2qWP/dP5daBcQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBXgAgACDkiCXBB1KXLbQ/bnREemslrR9sNZ/BZnpSCjPG3cEMCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51
SOA + serial 2413561037 − serial 2412631407
2026-08-25 23:06:49
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBXgAgACDkiCXBB1KXLbQ/bnREemslrR9sNZ/BZnpSCjPG3cEMCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBB/gAgACAqx4FNewUMPf5X2CdmQE8Y5/eR6BJmz3Dukn2AOyoyGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51
2026-08-20 14:11:40
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBB/gAgACAqx4FNewUMPf5X2CdmQE8Y5/eR6BJmz3Dukn2AOyoyGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBcQAgACBQaYjrKv5ZjLt9UqQmxVa4uVoILYx1R6vXK46MoUABHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51
SOA + serial 2412631407 − serial 2410007676
2026-07-21 16:29:24
AAAA + 2606:4700:3037::6815:2558 + 2606:4700:3037::ac43:ce51 − 2606:4700:3032::6815:2558 − 2606:4700:3034::ac43:ce51
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBcQAgACBQaYjrKv5ZjLt9UqQmxVa4uVoILYx1R6vXK46MoUABHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2558,2606:4700:3037::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBUQAgACAgvpA9jtAmAp0qHihscSSN8GZk44bsTnw2cYliSkAZGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51
SOA + serial 2410007676 − serial 2407968753
2026-06-30 06:11:20
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBUQAgACAgvpA9jtAmAp0qHihscSSN8GZk44bsTnw2cYliSkAZGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBSAAgACCOApx+y3HkBBLU7e54bmekbLMY/8udBNfIuQpUNaPYQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51
2026-06-27 22:04:37
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBSAAgACCOApx+y3HkBBLU7e54bmekbLMY/8udBNfIuQpUNaPYQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBmQAgACAW2Zml2I0DYSJ6ZUQjSHgtTQ4aJ7FXZdhBDW7ShydAEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51
SOA + serial 2407968753 − serial 2407214353
DNSSEC + insecure − bogus
2026-06-20 00:48:51
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBmQAgACAW2Zml2I0DYSJ6ZUQjSHgtTQ4aJ7FXZdhBDW7ShydAEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51
2026-06-18 19:37:11
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBoQAgACAdKXNn1Kk/A6aDGfL+Yteaf1GcSwq0tE85gp1r32MaZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51 − 1 . alpn="h3,h2" ipv4hint=104.21.37.88,172.67.206.81 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2558,2606:4700:3034::ac43:ce51
SOA + serial 2407214353 − serial 2407138891
DNSSEC + bogus − insecure
2026-06-17 13:51:25 baseline 2 NS · 2 A · 2 AAAA · 1 TXT · 1 HTTPS · serial 2407138891 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 9 scans). Click a timestamp to view that full snapshot.

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