1900mtb.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 13 changes
Scanned AtChanges since previous scan
2026-09-04 08:12:37
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBJQAgACC/21wWhhzN7DcxzcgpF0SCUfz8jkyCIBDXqFdQkkfjdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee − 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBXwAgACDgj+Ybi9OhzyLCxwApWe8qYkEF/0KqoyAMVHF7ZF/DVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee
2026-08-22 01:42:18
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBXwAgACDgj+Ybi9OhzyLCxwApWe8qYkEF/0KqoyAMVHF7ZF/DVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee − 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBB6AAgACBMTrnx7MjX+bXo/gqGgfi/ki0INIWkDCy4rpcZv7W+LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee
SOA + serial 2412795847 − serial 2412696577
2026-08-21 01:33:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBB6AAgACBMTrnx7MjX+bXo/gqGgfi/ki0INIWkDCy4rpcZv7W+LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee − 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBbgAgACAeHEVYVgOA+enDhgzyjaxRDJHXEPcRA5SK9Q+n1/f4RgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee
SOA + serial 2412696577 − serial 2411593798
2026-08-10 07:22:18
AAAA + 2606:4700:3032::6815:4ce5 + 2606:4700:3033::ac43:c9ee − 2606:4700:3030::6815:4ce5 − 2606:4700:3036::ac43:c9ee
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBbgAgACAeHEVYVgOA+enDhgzyjaxRDJHXEPcRA5SK9Q+n1/f4RgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ce5,2606:4700:3033::ac43:c9ee − 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBSAAgACCOApx+y3HkBBLU7e54bmekbLMY/8udBNfIuQpUNaPYQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ce5,2606:4700:3036::ac43:c9ee
SOA + serial 2411593798 − serial 2407425742
2026-06-27 22:04:41
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBBSAAgACCOApx+y3HkBBLU7e54bmekbLMY/8udBNfIuQpUNaPYQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ce5,2606:4700:3036::ac43:c9ee − 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBB7gAgACA6YMxq103qlP+thN+qM2g13r2RFDyslXXeh2G65GGceAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ce5,2606:4700:3036::ac43:c9ee
2026-06-20 20:12:51
A + 104.21.76.229 + 172.67.201.238 − 91.121.60.55
AAAA + 2606:4700:3030::6815:4ce5 + 2606:4700:3036::ac43:c9ee
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.76.229,172.67.201.238 ech=AEX+DQBB7gAgACA6YMxq103qlP+thN+qM2g13r2RFDyslXXeh2G65GGceAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4ce5,2606:4700:3036::ac43:c9ee
SOA + serial 2407425742 − serial 2406618308
2026-06-16 12:57:47 no changes
2026-06-16 12:51:47 baseline 2 NS · 1 A · serial 2406618308 · 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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