mastertech.dk
📜 DNS record history  ·  ← Current records
📜 Record History7 scans · 16 changes
Scanned AtChanges since previous scan
2026-08-28 10:34:30
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBfAAgACCaSdKfOkVtfgrEvjJZeX9Z9pz8VM9uru6pv09/4UTVLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
2026-08-19 20:08:08
A + 104.21.70.77 + 172.67.221.163 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3032::6815:464d + 2606:4700:3037::ac43:dda3 − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBfAAgACCaSdKfOkVtfgrEvjJZeX9Z9pz8VM9uru6pv09/4UTVLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB/QAgACAqtBNXRxasqaCugfdwlLcAOtDdC3ksMbcp1HBxTlURUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2412608129 − serial 2411396558
2026-08-08 03:58:13
A + 188.114.96.1 + 188.114.97.1 − 104.21.70.77 − 172.67.221.163
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3032::6815:464d − 2606:4700:3037::ac43:dda3
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB/QAgACAqtBNXRxasqaCugfdwlLcAOtDdC3ksMbcp1HBxTlURUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBkwAgACC5iWFvvsMrmhs/uCA/ze2z45WH98ust986kauT6DlHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2411396558 − serial 2410534528
2026-07-26 17:45:55
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBkwAgACC5iWFvvsMrmhs/uCA/ze2z45WH98ust986kauT6DlHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB5AAgACCXQ4K5U5YYkvWJSdy1MsMRUSjOIQcakxELeXwyrv1xFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2410534528 − serial 2409962064
2026-07-20 13:09:22
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB5AAgACCXQ4K5U5YYkvWJSdy1MsMRUSjOIQcakxELeXwyrv1xFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2409962064 − serial 2408460925
2026-07-03 10:17:59
AAAA + 2606:4700:3032::6815:464d + 2606:4700:3037::ac43:dda3 − 2606:4700:3031::6815:464d − 2606:4700:3033::ac43:dda3
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:464d,2606:4700:3033::ac43:dda3
SOA + serial 2408460925 − serial 2406595533
2026-06-18 05:52:32 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406595533 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 7 scans). Click a timestamp to view that full snapshot.

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