formatmatematik.dk
📜 DNS record history  ·  ← Current records
📜 Record History11 scans · 32 changes
Scanned AtChanges since previous scan
2026-08-23 10:44:23
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBIAAgACAMeEO3Yz4a72LLARptZhZ1bOQXgXiaVjsr69qn2oajcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBqwAgACDkCSvgCwLYYm9K7HBg/UBsjJAM33qI+bO4HAjslhRSEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b
SOA + serial 2412887925 − serial 2410907724
2026-08-06 03:57:11
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBqwAgACDkCSvgCwLYYm9K7HBg/UBsjJAM33qI+bO4HAjslhRSEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBTQAgACA8DP9sKk60Zirhdix3OFaqZU44gZSjCRQoCqoiv84VKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b
SOA + serial 2410907724 − serial 2408124668
2026-07-01 07:50:23
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBTQAgACA8DP9sKk60Zirhdix3OFaqZU44gZSjCRQoCqoiv84VKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBFgAgACDYRgZcGS0vwdTv022gHBCZoFnnpyS2lqeqYf7yRkTeaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b
SOA + serial 2408124668 − serial 2407782103
2026-06-26 04:55:49
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBFgAgACDYRgZcGS0vwdTv022gHBCZoFnnpyS2lqeqYf7yRkTeaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBCQAgACAGUZ40o5aARpV9dtMyeXlYe4w3Ht0/gJ4H4o6YQ7AocgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b
SOA + serial 2407782103 − serial 2407480822
2026-06-23 20:31:50
AAAA + 2606:4700:3034::ac43:cf3b − 2606:4700:3030::ac43:cf3b
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBCQAgACAGUZ40o5aARpV9dtMyeXlYe4w3Ht0/gJ4H4o6YQ7AocgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:42c8,2606:4700:3034::ac43:cf3b − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBB9QAgACCE5XYkfAA4/W4V0NF4I2tF5MgCWZgYVZI4/AFGiNqLVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cf3b,2606:4700:3031::6815:42c8
2026-06-23 03:16:49
NS + cortney.ns.cloudflare.com + eric.ns.cloudflare.com
A + 104.21.66.200 + 172.67.207.59
MX + 10 mx01.dandomain.dk
AAAA + 2606:4700:3030::ac43:cf3b + 2606:4700:3031::6815:42c8
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBB9QAgACCE5XYkfAA4/W4V0NF4I2tF5MgCWZgYVZI4/AFGiNqLVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cf3b,2606:4700:3031::6815:42c8
SOA + serial 2407480822
DNSSEC + insecure − indeterminate
2026-06-22 21:59:15
NS − cortney.ns.cloudflare.com − eric.ns.cloudflare.com
A − 104.21.66.200 − 172.67.207.59
MX − 10 mx01.dandomain.dk
AAAA − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBMAAgACACN7S0ONDu1/LYaPDsolUkqO3yCnpi/91i/DxEJcP2UAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cf3b,2606:4700:3031::6815:42c8
SOA − serial 2407480822
DNSSEC + indeterminate − insecure
2026-06-22 17:47:42
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3030::ac43:cf3b − 2606:4700:3031::6815:42c8
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBBMAAgACACN7S0ONDu1/LYaPDsolUkqO3yCnpi/91i/DxEJcP2UAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cf3b,2606:4700:3031::6815:42c8 − 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBB5QAgACANoKdFxxiFPsD4QSdYxkHiwK2EkxYzvvDDsPDlCWsLJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cf3b,2606:4700:3031::6815:42c8
2026-06-21 21:34:19
A + 104.21.66.200 + 172.67.207.59 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3030::ac43:cf3b + 2606:4700:3031::6815:42c8 − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.66.200,172.67.207.59 ech=AEX+DQBB5QAgACANoKdFxxiFPsD4QSdYxkHiwK2EkxYzvvDDsPDlCWsLJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cf3b,2606:4700:3031::6815:42c8 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBByQAgACBfFJ0KAJ0uunFBmbj/ssUxt3DWNhqYmNcmabs/F0pALQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2407480822 − serial 2407407606
2026-06-20 12:19:41
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBByQAgACBfFJ0KAJ0uunFBmbj/ssUxt3DWNhqYmNcmabs/F0pALQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2407407606 − serial 2407153818
2026-06-17 10:09:32 baseline 2 NS · 2 A · 1 MX · 2 AAAA · 1 HTTPS · serial 2407153818 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 11 scans). Click a timestamp to view that full snapshot.

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