idrætsundervisning.dk xn--idrtsundervisning-trb.dk
📜 DNS record history  ·  ← Current records
📜 Record History10 scans · 22 changes
Scanned AtChanges since previous scan
2026-08-27 22:13:54
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBmgAgACD5idu/8YisJYN71y7dIfmC8zhZJt4K4vFs1eLqFApNZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBhQAgACCYA/2cjIwgJdM/mH567Nqvzikeg/JqAvWGA+IfWwpQKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a
2026-08-19 17:25:20
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBhQAgACCYA/2cjIwgJdM/mH567Nqvzikeg/JqAvWGA+IfWwpQKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBuwAgACB79eybGkcixTjypr2ywxGraEo0JzUYf/CLPPmt23xuRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a
SOA + serial 2412626749 − serial 2411584932
2026-08-08 01:08:39
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBuwAgACB79eybGkcixTjypr2ywxGraEo0JzUYf/CLPPmt23xuRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBB8gAgACAEMJZqL7HKcWWmcQ5kGxypDQy9Lbgj9FpgR2b9JsLlcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a
SOA + serial 2411584932 − serial 2410553148
2026-07-26 23:33:59
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBB8gAgACAEMJZqL7HKcWWmcQ5kGxypDQy9Lbgj9FpgR2b9JsLlcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBSwAgACBNrBU90J45dDhfTMA9eR51wIQL/Dat2ug67YvSPK4QfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a
SOA + serial 2410553148 − serial 2409902238
2026-07-19 20:14:40
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBSwAgACBNrBU90J45dDhfTMA9eR51wIQL/Dat2ug67YvSPK4QfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBagAgACDDsyVqPEAtrend6qvWNpnQ9uCKTibKejUzCnqEWJouYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a
SOA + serial 2409902238 − serial 2408479545
2026-07-03 20:45:35
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBagAgACDDsyVqPEAtrend6qvWNpnQ9uCKTibKejUzCnqEWJouYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBlQAgACDnSgxnRW6czUhZEVI7ZNY8PKX12iSlZ0zAgdKaepP+JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a
SOA + serial 2408479545 − serial 2406625977
DNSSEC + secure − bogus
2026-06-25 04:33:53
AAAA + 2606:4700:3030::ac43:8c90 + 2606:4700:3037::6815:572a − 2606:4700:3034::6815:572a − 2606:4700:3035::ac43:8c90
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBlQAgACDnSgxnRW6czUhZEVI7ZNY8PKX12iSlZ0zAgdKaepP+JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBIgAgACCBYdE+DzE+rOpR5P+SjZodmCzpXUxHN8fJfunZ1DZOGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:572a,2606:4700:3035::ac43:8c90
DNSSEC + bogus − secure
2026-06-21 07:30:23
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBIgAgACCBYdE+DzE+rOpR5P+SjZodmCzpXUxHN8fJfunZ1DZOGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:572a,2606:4700:3035::ac43:8c90 − 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBOwAgACBmZbJmrpw6gU10fjuAhe49tHIGwsJNs1Uk3lzfoRfEPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:572a,2606:4700:3035::ac43:8c90
2026-06-19 03:32:27
NS + dakota.ns.cloudflare.com + hadlee.ns.cloudflare.com
A + 104.21.87.42 + 172.67.140.144
AAAA + 2606:4700:3034::6815:572a + 2606:4700:3035::ac43:8c90
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBOwAgACBmZbJmrpw6gU10fjuAhe49tHIGwsJNs1Uk3lzfoRfEPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:572a,2606:4700:3035::ac43:8c90
SOA + serial 2406625977
DNSSEC + secure − indeterminate
2026-06-17 14:32:52 baseline DNSSEC indeterminate

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 10 scans). Click a timestamp to view that full snapshot.

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