otterupgymnasterne.dk
📜 DNS record history  ·  ← Current records
📜 Record History6 scans · 22 changes
Scanned AtChanges since previous scan
2026-08-28 03:47:05
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBzwAgACBTSB3apXixaEI71fZoMKUzij6ilRhhH7A4KRauzohfNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:81f3,2606:4700:3032::6815:2fc − 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBcQAgACC2N60Wqx88fyr48q222p0GoDcCY0mvrYWiczqFfifhIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:81f3,2606:4700:3032::6815:2fc
2026-08-11 23:32:15
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBcQAgACC2N60Wqx88fyr48q222p0GoDcCY0mvrYWiczqFfifhIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:81f3,2606:4700:3032::6815:2fc − 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBKwAgACDqyhf/2vFU8711H2K20/dmlOIR9LoHZf1vffoubIdmNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:81f3,2606:4700:3032::6815:2fc
SOA + serial 2411962857 − serial 2410847536
2026-07-30 15:06:23
AAAA + 2606:4700:3030::ac43:81f3 + 2606:4700:3032::6815:2fc − 2606:4700:3034::ac43:81f3 − 2606:4700:3037::6815:2fc
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBKwAgACDqyhf/2vFU8711H2K20/dmlOIR9LoHZf1vffoubIdmNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:81f3,2606:4700:3032::6815:2fc − 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBmgAgACCqboMHCILz8lT61n8+ZRMrw0bEopM1UtojJSpzNByoagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:81f3,2606:4700:3037::6815:2fc
SOA + serial 2410847536 − serial 2406711925
2026-06-27 01:10:52
NS + duke.ns.cloudflare.com + kiki.ns.cloudflare.com
A + 104.21.2.252 + 172.67.129.243
AAAA + 2606:4700:3034::ac43:81f3 + 2606:4700:3037::6815:2fc
TXT + v=spf1 mx a ip4:84.19.174.8 -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBmgAgACCqboMHCILz8lT61n8+ZRMrw0bEopM1UtojJSpzNByoagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:81f3,2606:4700:3037::6815:2fc
SOA + serial 2406711925
DMARC + v=DMARC1; p=reject; rua=mailto:dmarc@zakobo.dk; ruf=mailto:dmarc@zakobo.dk
DNSSEC + insecure − indeterminate
2026-06-24 03:31:41
NS − duke.ns.cloudflare.com − kiki.ns.cloudflare.com
A − 104.21.2.252 − 172.67.129.243
AAAA − 2606:4700:3034::ac43:81f3 − 2606:4700:3037::6815:2fc
TXT − v=spf1 mx a ip4:84.19.174.8 -all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.2.252,172.67.129.243 ech=AEX+DQBBGAAgACDW1GZR9hru+FihavF8Ivc7aBei9NRjU8+yljAtq2M/DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:81f3,2606:4700:3037::6815:2fc
SOA − serial 2406711925
DMARC − v=DMARC1; p=reject; rua=mailto:dmarc@zakobo.dk; ruf=mailto:dmarc@zakobo.dk
DNSSEC + indeterminate − insecure
2026-06-18 08:51:18 baseline 2 NS · 2 A · 2 AAAA · 1 TXT · 1 HTTPS · serial 2406711925 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 6 scans). Click a timestamp to view that full snapshot.

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