mdteacher.dk
📜 DNS record history  ·  ← Current records
📜 Record History7 scans · 9 changes
Scanned AtChanges since previous scan
2026-08-27 02:25:20
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBbAAgACBwLb+69YtcBuhaCfpecljtwG/+b3Y7tDyOH9PSpiBnOwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3 − 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBFQAgACD6bnwLaSPZH4MTaMS4qqwJKHCqnhu/SRXFMNGnA1B3fAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3
2026-08-22 11:53:16
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBFQAgACD6bnwLaSPZH4MTaMS4qqwJKHCqnhu/SRXFMNGnA1B3fAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3 − 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBJwAgACAfG7/J5+lTxKMOKZp9lVJ5kgkFaR2JKz90JTHCujfwQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3
SOA + serial 2412805440 − serial 2412704161
2026-08-21 11:22:23
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBJwAgACAfG7/J5+lTxKMOKZp9lVJ5kgkFaR2JKz90JTHCujfwQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3 − 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBsQAgACBNnwVq9amPYD1Mpd/AHJza7XQ/5NKO5oePbVR42P1pEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3
SOA + serial 2412704161 − serial 2408662208
2026-07-04 22:34:32
AAAA + 2606:4700:3033::ac43:d208 + 2606:4700:3037::6815:32c3 − 2606:4700:3031::ac43:d208 − 2606:4700:3036::6815:32c3
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBsQAgACBNnwVq9amPYD1Mpd/AHJza7XQ/5NKO5oePbVR42P1pEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d208,2606:4700:3037::6815:32c3 − 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBB8gAgACDEMH+xPNbxRaz2PbU6PoECTyjQiHc0nE4UfIVNawMgfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d208,2606:4700:3036::6815:32c3
SOA + serial 2408662208 − serial 2403563007
2026-06-19 18:37:49
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBB8gAgACDEMH+xPNbxRaz2PbU6PoECTyjQiHc0nE4UfIVNawMgfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d208,2606:4700:3036::6815:32c3 − 1 . alpn="h3,h2" ipv4hint=104.21.50.195,172.67.210.8 ech=AEX+DQBBnAAgACBeRsiogButg1cXG+B47GvAtSqi3Ug1C0cFugeMjxDaMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d208,2606:4700:3036::6815:32c3
2026-06-17 23:09:46 no changes
2026-06-17 23:02:00 baseline 2 NS · 2 A · 5 MX · 2 AAAA · 4 TXT · 1 HTTPS · serial 2403563007 · DMARC · 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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