schack.dk
📜 DNS record history  ·  ← Current records
📜 Record History19 scans · 57 changes
Scanned AtChanges since previous scan
2026-08-31 22:51:22
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB+AAgACDdKTlRNGZ6DdpOSYBPmrCjIdkQlJwxfeZmI1Ge4dksLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB7wAgACBE1Eqlr/7DkDPvKduVzDj+mly51qFBYNzqLjPAl1sZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
2026-08-27 19:50:15
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB7wAgACBE1Eqlr/7DkDPvKduVzDj+mly51qFBYNzqLjPAl1sZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBRQAgACCHB5QzKteGc9h28o+qRDsJ+UpMSwuA/ZewuSPZ/I8gLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2413312322 − serial 2412796252
2026-08-21 22:48:01
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBRQAgACCHB5QzKteGc9h28o+qRDsJ+UpMSwuA/ZewuSPZ/I8gLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBMQAgACC40t7CX9Ot49VzSnN/Y5WVh5yIpi0NIz4NMTZzg1a9KAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2412796252 − serial 2412696784
2026-08-20 22:41:06
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBMQAgACC40t7CX9Ot49VzSnN/Y5WVh5yIpi0NIz4NMTZzg1a9KAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBuwAgACAVOJjnvikezXnIHuAzcQW7EMbKUxI7HeMeGf6ICIPEeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2412696784 − serial 2412569434
2026-08-19 22:10:09
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBuwAgACAVOJjnvikezXnIHuAzcQW7EMbKUxI7HeMeGf6ICIPEeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBfQAgACAwHP9+ObubFXhBiQXc96aqOnS2B6eZgzv0sTZv3G/YMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2412569434 − serial 2411481610
2026-08-07 16:03:40
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBfQAgACAwHP9+ObubFXhBiQXc96aqOnS2B6eZgzv0sTZv3G/YMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB1AAgACDvtAiJ7E9mJvJA73XGdNTKTu7ItJGpPvvcSdUnD5WrcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2411481610 − serial 2410861774
2026-08-01 21:47:27
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB1AAgACDvtAiJ7E9mJvJA73XGdNTKTu7ItJGpPvvcSdUnD5WrcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBQgAgACDP2iJ5zXniBoICyNi4hcxUdO6mph0dWRKAmcSCLYEINQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2410861774 − serial 2409890587
2026-07-20 11:48:22
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBQgAgACDP2iJ5zXniBoICyNi4hcxUdO6mph0dWRKAmcSCLYEINQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBIQAgACBjimrUsMjzpcIYkzLcgjUYxIh/3+BMvMceUlWfOWvSRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2409890587 − serial 2409828755
2026-07-18 20:32:45
TXT + openpgp4fpr:44801601ec7b9ae9ff29ae006ae7765f0ce86676
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBIQAgACBjimrUsMjzpcIYkzLcgjUYxIh/3+BMvMceUlWfOWvSRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBQgAgACAz7ZsbJa9GqsKe+nV1wtQCHL30PSBU0O8zgAkOeD7afwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2409828755 − serial 2409165116
2026-07-12 14:26:52
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBQgAgACAz7ZsbJa9GqsKe+nV1wtQCHL30PSBU0O8zgAkOeD7afwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB0QAgACCDKwFueK5JLmS3JjJh7DixqQbmsnvnBraQzBEzQD2kNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2409165116 − serial 2408965968
2026-07-08 14:09:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB0QAgACCDKwFueK5JLmS3JjJh7DixqQbmsnvnBraQzBEzQD2kNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBmQAgACAKemoP7AJ7vQP37OQtZLMKmu9c3HtsFEflZiCvRssOIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2408965968 − serial 2408812057
2026-07-06 23:07:40
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBmQAgACAKemoP7AJ7vQP37OQtZLMKmu9c3HtsFEflZiCvRssOIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBFAAgACCwUfccKJIMTJqpqXVtBJIXg7T5jXk/o0w/GMubsFiKdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2408812057 − serial 2408239156
2026-06-30 10:12:56
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBFAAgACCwUfccKJIMTJqpqXVtBJIXg7T5jXk/o0w/GMubsFiKdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB9AAgACCY9UA5MrKrphHgnqXLd8vue6XQK7a27K1s6OxHys6bVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539
SOA + serial 2408239156 − serial 2407875919
2026-06-26 05:23:43
AAAA + 2606:4700:3030::6815:1d89 + 2606:4700:3037::ac43:9539 − 2606:4700:3030::ac43:9539 − 2606:4700:3034::6815:1d89
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB9AAgACCY9UA5MrKrphHgnqXLd8vue6XQK7a27K1s6OxHys6bVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1d89,2606:4700:3037::ac43:9539 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBWQAgACDqMMlp0FzVienL6zfsdCoofAS3J/Za4cPm+vJq2HBwDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89
SOA + serial 2407875919 − serial 2407655720
MTA-STS + enforce − invalid
2026-06-24 02:42:52
NS + serena.ns.cloudflare.com + tom.ns.cloudflare.com
A + 104.21.29.137 + 172.67.149.57
MX + 10 mx1.smtp.goog + 20 mx2.smtp.goog + 30 mx3.smtp.goog + 40 mx4.smtp.goog
AAAA + 2606:4700:3030::ac43:9539 + 2606:4700:3034::6815:1d89
TXT + mistral-domain-verification=fae9e90ae3703920e9421e8d2d9eaaf4d5a9b795 + openai-domain-verification=dv-9gxiYiBXT7nBwtW2TCZ6XPkQ + v=spf1 include:_spf.google.com ~all
CAA + iodef mailto:henrik@schack.dk + issue comodoca.com + issue digicert.com; cansignhttpexchanges=yes + issue letsencrypt.org + issue pki.goog; cansignhttpexchanges=yes + issue sectigo.com + issue ssl.com + issuewild comodoca.com + issuewild digicert.com; cansignhttpexchanges=yes + issuewild letsencrypt.org + issuewild pki.goog; cansignhttpexchanges=yes + issuewild sectigo.com + issuewild ssl.com
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBWQAgACDqMMlp0FzVienL6zfsdCoofAS3J/Za4cPm+vJq2HBwDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89
SOA + serial 2407655720
DMARC + v=DMARC1; p=reject; rua=mailto:bb6ab26b32e34559840e217383020d64@dmarc-reports.cloudflare.net,mailto:sh0izc5x@ag.dmarcian.com,mailto:watchdog3@watchdog.kevlarr.io,mailto:31080488@in.mailhardener.com;
TLSRPT + v=TLSRPTv1; rua=mailto:tlsrpt@apxhe1k9.uriports.com
DNSSEC + secure − indeterminate
MTA-STS + invalid − missing
2026-06-23 20:40:37
NS − serena.ns.cloudflare.com − tom.ns.cloudflare.com
A − 104.21.29.137 − 172.67.149.57
MX − 10 mx1.smtp.goog − 20 mx2.smtp.goog − 30 mx3.smtp.goog − 40 mx4.smtp.goog
AAAA − 2606:4700:3030::ac43:9539 − 2606:4700:3034::6815:1d89
TXT − mistral-domain-verification=fae9e90ae3703920e9421e8d2d9eaaf4d5a9b795 − openai-domain-verification=dv-9gxiYiBXT7nBwtW2TCZ6XPkQ − v=spf1 include:_spf.google.com ~all
CAA − iodef mailto:henrik@schack.dk − issue comodoca.com − issue digicert.com; cansignhttpexchanges=yes − issue letsencrypt.org − issue pki.goog; cansignhttpexchanges=yes − issue sectigo.com − issue ssl.com − issuewild comodoca.com − issuewild digicert.com; cansignhttpexchanges=yes − issuewild letsencrypt.org − issuewild pki.goog; cansignhttpexchanges=yes − issuewild sectigo.com − issuewild ssl.com
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBxgAgACBoGvPVLou81FHWK0GmfguRdjvOq1UAePjS44bob8MWTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89
SOA − serial 2407449443
DMARC − v=DMARC1; p=reject; rua=mailto:bb6ab26b32e34559840e217383020d64@dmarc-reports.cloudflare.net,mailto:sh0izc5x@ag.dmarcian.com,mailto:watchdog3@watchdog.kevlarr.io,mailto:31080488@in.mailhardener.com;
TLSRPT − v=TLSRPTv1; rua=mailto:tlsrpt@apxhe1k9.uriports.com
DNSSEC + indeterminate − secure
MTA-STS + missing − enforce
2026-06-22 02:03:00
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBxgAgACBoGvPVLou81FHWK0GmfguRdjvOq1UAePjS44bob8MWTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBwwAgACB0sUtEedfCu0o67EMIFJZgEknwVE6/Vpm5YrKuzVkNJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89
2026-06-21 05:03:08
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBBwwAgACB0sUtEedfCu0o67EMIFJZgEknwVE6/Vpm5YrKuzVkNJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89 − 1 . alpn="h3,h2" ipv4hint=104.21.29.137,172.67.149.57 ech=AEX+DQBB5wAgACAfhnj2QjvcLesWssUrB3a5fnOhseRkvqgkI6RuTYeBJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9539,2606:4700:3034::6815:1d89
SOA + serial 2407449443 − serial 2407091514
2026-06-17 15:06:29 baseline 2 NS · 2 A · 4 MX · 2 AAAA · 3 TXT · 13 CAA · 1 HTTPS · serial 2407091514 · DMARC · TLSRPT · DNSSEC secure · MTA-STS enforce

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 19 scans). Click a timestamp to view that full snapshot.

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