thomastik-infeld.dk
📜 DNS record history  ·  ← Current records
📜 Record History11 scans · 29 changes
Scanned AtChanges since previous scan
2026-09-05 14:25:10
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBB+gAgACBtS5NGjzWLeY/tyqQY1h/Oa+Ki/tbqeFYMuWD9+iq/IQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6
SOA + serial 2413921206 − serial 2413312996
2026-08-28 10:10:59
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBByQAgACBjyLikba3Vx8c+/hSkq61oFduvV4cgG79C+GctpedRTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6
2026-08-27 18:56:56
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBByQAgACBjyLikba3Vx8c+/hSkq61oFduvV4cgG79C+GctpedRTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBpgAgACAVG0Ui7rQvlLj1HM5vzEsNQw82ra/iB7RpFqUAgNdNMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6
SOA + serial 2413312996 − serial 2411547539
2026-08-11 02:22:41
AAAA + 2606:4700:3030::6815:c29 + 2606:4700:3032::ac43:c1a6 − 2606:4700:3034::6815:c29 − 2606:4700:3035::ac43:c1a6
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBpgAgACAVG0Ui7rQvlLj1HM5vzEsNQw82ra/iB7RpFqUAgNdNMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:c29,2606:4700:3032::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBagAgACCN81Oq7QY3JBBWVx2Pg10jnr7TMuv0OHtfrlMuSwKABQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
SOA + serial 2411547539 − serial 2406415851
2026-06-28 23:44:03
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBagAgACCN81Oq7QY3JBBWVx2Pg10jnr7TMuv0OHtfrlMuSwKABQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBAwAgACCf6ygdJ9LjiuBZfATzGxUDt8h1aavi5u14nnx4YcHpIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
2026-06-23 07:26:36
NS + neil.ns.cloudflare.com + tricia.ns.cloudflare.com
A + 104.21.12.41 + 172.67.193.166
AAAA + 2606:4700:3034::6815:c29 + 2606:4700:3035::ac43:c1a6
TXT + v=spf1 -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBAwAgACCf6ygdJ9LjiuBZfATzGxUDt8h1aavi5u14nnx4YcHpIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
SOA + serial 2406415851
DMARC + v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:it@thomastik-infeld.com
DNSSEC + insecure − indeterminate
2026-06-22 12:10:42
NS − neil.ns.cloudflare.com − tricia.ns.cloudflare.com
A − 104.21.12.41 − 172.67.193.166
AAAA − 2606:4700:3034::6815:c29 − 2606:4700:3035::ac43:c1a6
TXT − v=spf1 -all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBB+AAgACAZDRgWmZnfMEyg/ylLGp2E9y01joSBu+Rks3kxiynuDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
SOA − serial 2406415851
DMARC − v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:it@thomastik-infeld.com
DNSSEC + indeterminate − bogus
2026-06-22 07:03:43
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBB+AAgACAZDRgWmZnfMEyg/ylLGp2E9y01joSBu+Rks3kxiynuDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBzQAgACBj9Cs9OKLJNFAa4mxRIxXNWbfLl/bZg0x0HvmvkLbeAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
DNSSEC + bogus − insecure
2026-06-20 23:08:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBzQAgACBj9Cs9OKLJNFAa4mxRIxXNWbfLl/bZg0x0HvmvkLbeAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBlAAgACDX+49OxQrVL+I22MVcTS1ZKEqGBb+rY52oKOXV03b0bQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
2026-06-19 19:22:37
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBlAAgACDX+49OxQrVL+I22MVcTS1ZKEqGBb+rY52oKOXV03b0bQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6 − 1 . alpn="h3,h2" ipv4hint=104.21.12.41,172.67.193.166 ech=AEX+DQBBEQAgACDI4xqwwmAc0aVdhaScxMRTfCZo1/vM6WMg5h+quY5QUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c29,2606:4700:3035::ac43:c1a6
2026-06-17 12:06:04 baseline 2 NS · 2 A · 2 AAAA · 1 TXT · 1 HTTPS · serial 2406415851 · DMARC · 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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