jbtu.dk
📜 DNS record history  ·  ← Current records
📜 Record History6 scans · 17 changes
Scanned AtChanges since previous scan
2026-08-27 14:15:19
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBBqgAgACDoLtW1D936N1IOECuxYRRPe7h8MJBej8DNLfjBq/ZvQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f − 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBB2gAgACAxW8AULaGwtt4lCk2FEAGU4iiTDW/6MzJawJkYDNEWVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f
2026-08-10 05:17:47
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBB2gAgACAxW8AULaGwtt4lCk2FEAGU4iiTDW/6MzJawJkYDNEWVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f − 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBBeAAgACC5ETPzO0oxYhj2NCQC7hb+63tlnNwAoY4xkI1Gzv5UIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f
SOA + serial 2411797682 − serial 2410439847
2026-07-25 13:12:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBBeAAgACC5ETPzO0oxYhj2NCQC7hb+63tlnNwAoY4xkI1Gzv5UIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f − 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBB2QAgACD7aZ3BHeHATctn0ALTxFyfBw25H48uDrTvXjrBPt3tAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f
SOA + serial 2410439847 − serial 2406686239
2026-06-27 03:24:19
NS + heather.ns.cloudflare.com + skip.ns.cloudflare.com
A + 104.21.71.99 + 172.67.144.95
AAAA + 2606:4700:3034::6815:4763 + 2606:4700:3037::ac43:905f
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBB2QAgACD7aZ3BHeHATctn0ALTxFyfBw25H48uDrTvXjrBPt3tAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f
SOA + serial 2406686239
DNSSEC + insecure − indeterminate
2026-06-24 07:23:57
NS − heather.ns.cloudflare.com − skip.ns.cloudflare.com
A − 104.21.71.99 − 172.67.144.95
AAAA − 2606:4700:3034::6815:4763 − 2606:4700:3037::ac43:905f
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.71.99,172.67.144.95 ech=AEX+DQBBbAAgACAxx2XvV4JFUCVdgEmdGoqDip2taUNXK2q8lgpoC9YLSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4763,2606:4700:3037::ac43:905f
SOA − serial 2406686239
DNSSEC + indeterminate − insecure
2026-06-17 11:52:55 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406686239 · 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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