skoletjek.dk
📜 DNS record history  ·  ← Current records
📜 Record History10 scans · 30 changes
Scanned AtChanges since previous scan
2026-08-30 11:50:06
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBkQAgACBN60Dn0G1V/kSfekq3+A6F0ajLKKPW0zZkelZB0zV2GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBYQAgACDLZaUhRrNOxKTEOetLnsDFreD0DY/ayRlcj6KlnEOBeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83
SOA + serial 2413541161 − serial 2413416685
2026-08-29 05:56:41
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBYQAgACDLZaUhRrNOxKTEOetLnsDFreD0DY/ayRlcj6KlnEOBeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBGgAgACAkkFkNDMtmJuYfwM/O8b/+h3t1hixG49JrM9JSX82VMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83
SOA + serial 2413416685 − serial 2410630423
2026-07-29 07:57:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBGgAgACAkkFkNDMtmJuYfwM/O8b/+h3t1hixG49JrM9JSX82VMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83
SOA + serial 2410630423 − serial 2408435505
2026-07-03 10:34:29
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBB2AAgACDGX4VotZs5y72WeaUD32DXrgb0xqROY+6IvAHpviAgGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83
SOA + serial 2408435505 − serial 2408028442
2026-06-29 23:33:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBB2AAgACDGX4VotZs5y72WeaUD32DXrgb0xqROY+6IvAHpviAgGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBVQAgACDdbt+aHFVKNToD3+mqhSEAzhwg9TWYlkmiEIrPy25vAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83
SOA + serial 2408028442 − serial 2407640637
2026-06-25 21:58:46
NS + jo.ns.cloudflare.com + yichun.ns.cloudflare.com
A + 104.21.40.19 + 172.67.174.131
AAAA + 2606:4700:3037::6815:2813 + 2606:4700:3037::ac43:ae83
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBVQAgACDdbt+aHFVKNToD3+mqhSEAzhwg9TWYlkmiEIrPy25vAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:2813,2606:4700:3037::ac43:ae83
SOA + serial 2407640637
DNSSEC + insecure − indeterminate
2026-06-24 06:17:42
NS − jo.ns.cloudflare.com − yichun.ns.cloudflare.com
A − 188.114.96.1 − 188.114.97.1
AAAA − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBegAgACApHAN+OwKTCjvVn9ANtecpNhggfKXryHHUUY84io3bVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA − serial 2407640637
DNSSEC + indeterminate − insecure
2026-06-23 11:22:25
A + 188.114.96.1 + 188.114.97.1 − 104.21.40.19 − 172.67.174.131
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3031::ac43:ae83 − 2606:4700:3037::6815:2813
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBegAgACApHAN+OwKTCjvVn9ANtecpNhggfKXryHHUUY84io3bVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBLgAgACBvIr9QoP3T1cYecx39ZGRW0HcaQ89Sg1+M+WBZnANUfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ae83,2606:4700:3037::6815:2813
SOA + serial 2407640637 − serial 2407311470
DNSSEC + insecure − bogus
2026-06-19 10:34:16
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBLgAgACBvIr9QoP3T1cYecx39ZGRW0HcaQ89Sg1+M+WBZnANUfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ae83,2606:4700:3037::6815:2813 − 1 . alpn="h3,h2" ipv4hint=104.21.40.19,172.67.174.131 ech=AEX+DQBBGAAgACDW1GZR9hru+FihavF8Ivc7aBei9NRjU8+yljAtq2M/DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ae83,2606:4700:3037::6815:2813
SOA + serial 2407311470 − serial 2407120221
DNSSEC + bogus − insecure
2026-06-18 08:23:58 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2407120221 · DNSSEC insecure

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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