undervisningsbiblioteket.dk
📜 DNS record history  ·  ← Current records
📜 Record History14 scans · 33 changes
Scanned AtChanges since previous scan
2026-09-02 17:02:20
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBiQAgACAh43C2TFXW7yZVBfnmADA2vp/wRBkfjVk+7o2VHkdIAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBYQAgACCiXPj/HekqKfXm+fk8uhhqX5SewTv4S7jrJSS/ZkhefgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f
2026-09-01 13:24:06
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBYQAgACCiXPj/HekqKfXm+fk8uhhqX5SewTv4S7jrJSS/ZkhefgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBOAAgACACu6z+tYlNEn+wKDk/uzhGc5lAyIsqWJhR583j7e+BfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f
2026-08-27 03:48:36
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBOAAgACACu6z+tYlNEn+wKDk/uzhGc5lAyIsqWJhR583j7e+BfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBB0gAgACCY23AJFaxEhZtwKx1UNyKwjHLeaIbG6J22qyZ4Km+RbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f
2026-08-25 20:01:07
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBB0gAgACCY23AJFaxEhZtwKx1UNyKwjHLeaIbG6J22qyZ4Km+RbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBiQAgACCxGJAuoG8V356LpsIibxedNw4YGDPhLzBmt+mD5B48ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f
2026-08-19 00:28:00
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBiQAgACCxGJAuoG8V356LpsIibxedNw4YGDPhLzBmt+mD5B48ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBuAAgACDrdGn2E0+mTATHBLS6NBnDmGguOPrK8K7cZKTyu2YbfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f
SOA + serial 2412488396 − serial 2412414269
2026-08-17 20:16:17
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBuAAgACDrdGn2E0+mTATHBLS6NBnDmGguOPrK8K7cZKTyu2YbfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBdQAgACAH772uYYHB4e6qKcuP0R4mSmzRnlcVKju9no4L53Z3CQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f
SOA + serial 2412414269 − serial 2412199432
2026-08-15 19:11:46
A + 104.21.68.79 + 172.67.191.244 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3030::ac43:bff4 + 2606:4700:3035::6815:444f − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBdQAgACAH772uYYHB4e6qKcuP0R4mSmzRnlcVKju9no4L53Z3CQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bff4,2606:4700:3035::6815:444f − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBtQAgACBqIuPwSmAwypxMZrV9CA2zKBQVxtYxdzpOJPC7f24FRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2412199432 − serial 2410125843
2026-07-22 06:05:56
A + 188.114.96.1 + 188.114.97.1 − 104.21.68.79 − 172.67.191.244
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3035::6815:444f − 2606:4700:3037::ac43:bff4
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBtQAgACBqIuPwSmAwypxMZrV9CA2zKBQVxtYxdzpOJPC7f24FRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBmQAgACAKemoP7AJ7vQP37OQtZLMKmu9c3HtsFEflZiCvRssOIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4
SOA + serial 2410125843 − serial 2408772834
DNSSEC + secure − insecure
2026-07-07 00:11:48
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBmQAgACAKemoP7AJ7vQP37OQtZLMKmu9c3HtsFEflZiCvRssOIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4 − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBwgAgACBqpwFDnK/H7ThDoSyVDy3jqdVsxYveQpljENUohzBlUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4
SOA + serial 2408772834 − serial 2408118094
2026-06-29 04:06:35
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBwgAgACBqpwFDnK/H7ThDoSyVDy3jqdVsxYveQpljENUohzBlUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4 − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBFwAgACD9pTp4luqDPG8kfKWiTZurCCGXqm1gbnKvAXHor2wxAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4
SOA + serial 2408118094 − serial 2407934657
2026-06-28 01:34:52
A + 104.21.68.79 + 172.67.191.244 − 188.114.96.1 − 188.114.97.1
TXT + v=spf1 -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBFwAgACD9pTp4luqDPG8kfKWiTZurCCGXqm1gbnKvAXHor2wxAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4 − 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBNwAgACB/B47aCS3tl0a1Rm6udZGalRPgKjXjFi2L1uDwiEdDXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4
SOA + serial 2407934657 − serial 2407552838
DMARC + v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
2026-06-23 00:47:08
A + 188.114.96.1 + 188.114.97.1 − 104.21.68.79 − 172.67.191.244
AAAA + 2606:4700:3035::6815:444f + 2606:4700:3037::ac43:bff4 − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.68.79,172.67.191.244 ech=AEX+DQBBNwAgACB/B47aCS3tl0a1Rm6udZGalRPgKjXjFi2L1uDwiEdDXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:444f,2606:4700:3037::ac43:bff4 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB2wAgACAbKO5MwSeldLh98bnoG4oxcP7XK8GgmDwzHtDzGChCUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
2026-06-22 18:38:44
A + 104.21.68.79 + 172.67.191.244 − 188.114.96.1 − 188.114.97.1
TXT + google-site-verification=CNQ2iPf9dtQf9LQ67fIRm-wHCnQY3t2OfbIknrw_gbc
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB2wAgACAbKO5MwSeldLh98bnoG4oxcP7XK8GgmDwzHtDzGChCUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBMQAgACA6LbwcXrPCTCoJJTKsZdX3wMETt+TIdSjlLj0o0qOcQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2407552838 − serial 2407318038
2026-06-19 08:35:32 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2407318038 · DNSSEC insecure

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