justbook.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 21 changes
Scanned AtChanges since previous scan
2026-09-03 16:28:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBigAgACCAVYyCJ8sy3bK1L3NV7KFkFP55BuKgdvR30PNWOzN8aAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee − 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBmQAgACDlBUBGVeNzIsTX6UfR2ooLMBE8WuKqGfJJenVUR7IqJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee
SOA + serial 2413691644 − serial 2413491301
2026-08-30 03:28:24
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBmQAgACDlBUBGVeNzIsTX6UfR2ooLMBE8WuKqGfJJenVUR7IqJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee − 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBOQAgACDReRiOW+HwoQUTXzsusmUib7wRjR/raK7KozQJ3xIlTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee
SOA + serial 2413491301 − serial 2413285763
2026-08-27 12:31:15
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBOQAgACDReRiOW+HwoQUTXzsusmUib7wRjR/raK7KozQJ3xIlTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee − 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBIAAgACBi9a7TSd+rKIQ1cDIDcyBaUrgl35GRcxOxxu29BXeoDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee
SOA + serial 2413285763 − serial 2408392766
2026-07-01 20:05:18
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBIAAgACBi9a7TSd+rKIQ1cDIDcyBaUrgl35GRcxOxxu29BXeoDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee − 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBZgAgACABnsPV1yHpcp1Fnk1mT35mlNlW4oj2y60kJvbv6D0gIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee
SOA + serial 2408392766 − serial 2406337300
2026-06-28 10:50:14
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBZgAgACABnsPV1yHpcp1Fnk1mT35mlNlW4oj2y60kJvbv6D0gIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee − 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBFgAgACAHLebld4IUA+gNDxH8mXA4AAKUnLTf/3QyY04Sn3LacAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee
2026-06-27 22:51:17
NS + sara.ns.cloudflare.com + sevki.ns.cloudflare.com
A + 104.21.6.50 + 172.67.154.238
AAAA + 2606:4700:3030::6815:632 + 2606:4700:3033::ac43:9aee
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBBFgAgACAHLebld4IUA+gNDxH8mXA4AAKUnLTf/3QyY04Sn3LacAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3033::ac43:9aee
SOA + serial 2406337300
DNSSEC + insecure − indeterminate
2026-06-23 07:57:46
NS − sara.ns.cloudflare.com − sevki.ns.cloudflare.com
A − 104.21.6.50 − 172.67.154.238
AAAA − 2606:4700:3030::6815:632 − 2606:4700:3030::ac43:9aee
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.6.50,172.67.154.238 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:632,2606:4700:3030::ac43:9aee
SOA − serial 2406337300
DNSSEC + indeterminate − insecure
2026-06-18 05:39:41 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406337300 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 8 scans). Click a timestamp to view that full snapshot.

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