kagancooperativelearning.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 29 changes
Scanned AtChanges since previous scan
2026-08-29 07:20:35
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBswAgACDJ6Ozt2On3FtpkpCo4zWeuf5nMGat87ai9ydqxcLgZWwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3036::6815:3deb − 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBeQAgACDUMnFOeqOh+LNZoh+qYaaHk6liQK7TnN0bAEXQWmVdNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3036::6815:3deb
SOA + serial 2413427346 − serial 2410013509
2026-07-20 23:58:59
AAAA + 2606:4700:3036::6815:3deb − 2606:4700:3037::6815:3deb
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBeQAgACDUMnFOeqOh+LNZoh+qYaaHk6liQK7TnN0bAEXQWmVdNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3036::6815:3deb − 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBsQAgACBpAY2JhELxEAjJUZICiAUbqqk2EqAnn1+X5amZBfT8fgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb
SOA + serial 2410013509 − serial 2408318724
2026-07-07 07:08:24
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBsQAgACBpAY2JhELxEAjJUZICiAUbqqk2EqAnn1+X5amZBfT8fgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb − 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBowAgACDpI0A0sTGzGCYa+yrObsbysIhspauJQhzg67mG63uleAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb
SOA + serial 2408318724 − serial 2404913194
2026-07-05 16:16:20
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBowAgACDpI0A0sTGzGCYa+yrObsbysIhspauJQhzg67mG63uleAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb − 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb
SOA + serial 2404913194 − serial 2408318724
2026-07-03 10:29:46
A + 104.21.61.235 + 172.67.216.247 − 188.114.96.11 − 188.114.97.11
AAAA + 2606:4700:3032::ac43:d8f7 + 2606:4700:3037::6815:3deb − 2a06:98c1:3120::b − 2a06:98c1:3121::b
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb − 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBJgAgACDEe6fH/MJxGPU11bgPwmf+lAkTmGqNq0Y5foUuVoe/cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb
SOA + serial 2408318724 − serial 2404913194
2026-06-24 07:38:47
NS + fish.ns.cloudflare.com + piers.ns.cloudflare.com
A + 188.114.96.11 + 188.114.97.11
MX + 0 kagancooperativelearning-dk.mail.protection.outlook.com
AAAA + 2a06:98c1:3120::b + 2a06:98c1:3121::b
TXT + MS=ms75019142 + v=spf1 include:spf.protection.outlook.com -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBJgAgACDEe6fH/MJxGPU11bgPwmf+lAkTmGqNq0Y5foUuVoe/cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb
SOA + serial 2404913194
DNSSEC + insecure − indeterminate
2026-06-23 14:41:26
NS − fish.ns.cloudflare.com − piers.ns.cloudflare.com
A − 104.21.61.235 − 172.67.216.247
MX − 0 kagancooperativelearning-dk.mail.protection.outlook.com
AAAA − 2a06:98c1:3120::9 − 2a06:98c1:3121::9
TXT − MS=ms75019142 − v=spf1 include:spf.protection.outlook.com -all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.61.235,172.67.216.247 ech=AEX+DQBBXgAgACBYdqEg9t+ceUEOewqh+wmq9pQHyffrmdwg5FCZq2THbwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d8f7,2606:4700:3037::6815:3deb
SOA − serial 2404913194
DNSSEC + indeterminate − insecure
2026-06-18 08:01:51 baseline 2 NS · 2 A · 1 MX · 2 AAAA · 2 TXT · 1 HTTPS · serial 2404913194 · 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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