academicbooks.dk
📜 DNS record history  ·  ← Current records
📜 Record History10 scans · 29 changes
Scanned AtChanges since previous scan
2026-08-20 22:12:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBMQAgACC40t7CX9Ot49VzSnN/Y5WVh5yIpi0NIz4NMTZzg1a9KAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816 − 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBB6AAgACCvoiLeBZdUDTpbq/XFS5YS3KccMWGPe2397xL0nTaPIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2412642379 − serial 2412479483
2026-08-18 17:39:08
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBB6AAgACCvoiLeBZdUDTpbq/XFS5YS3KccMWGPe2397xL0nTaPIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816 − 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBAAAgACDJjCPEBvIxXi7lgw/Z/Saq8Mo3Klr9tfrxMSv5MLOsDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2412479483 − serial 2411488851
2026-08-09 18:11:07
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBAAAgACDJjCPEBvIxXi7lgw/Z/Saq8Mo3Klr9tfrxMSv5MLOsDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816 − 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBB4gAgACAN+ft5z09BytN93zUiRR9hMFiQ3jKuLHKnk+XdwGTYdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2411488851 − serial 2410568778
2026-07-27 01:29:13
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBB4gAgACAN+ft5z09BytN93zUiRR9hMFiQ3jKuLHKnk+XdwGTYdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816 − 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBB9wAgACCVhzHIbF6TbOBh9q1tl/6Pc1QuoKQdrViHXXcRxmHHRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2410568778 − serial 2409547330
2026-07-16 02:28:08
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBB9wAgACCVhzHIbF6TbOBh9q1tl/6Pc1QuoKQdrViHXXcRxmHHRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816 − 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBiAAgACA/oRcaZOhEZJYWpswm2UeaZOkX+KTIhr16YQ8msmOqWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2409547330 − serial 2408495175
2026-07-03 20:01:40
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBiAAgACA/oRcaZOhEZJYWpswm2UeaZOkX+KTIhr16YQ8msmOqWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816 − 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBeQAgACCc057jHmdUNLe3Q7CP6vEMJf27rqKyIa9ycfkg+crjGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2408495175 − serial 2407683273
2026-06-25 13:31:27
NS + lee.ns.cloudflare.com + phoenix.ns.cloudflare.com
A + 104.21.40.22 + 172.67.174.148
MX + 0 academicbooks-dk.mail.protection.outlook.com
AAAA + 2606:4700:3032::ac43:ae94 + 2606:4700:3034::6815:2816
TXT + apple-domain-verification=rUlkbk1jSUbfMnxS + google-site-verification=gZqbiqV9uYWuScsHSWUThWKP7ywOq47knAmBnW3J7oE + google-site-verification=RGp4U00Bs2InuFY4X4cY6BWwnMJz5bngazyYNrlH7gc + MS=ms92932091 + v=spf1 ip4:192.38.111.162/28 ip4:212.97.211.166/27 include:bounce.peytz.dk include:spf.protection.outlook.com -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.40.22,172.67.174.148 ech=AEX+DQBBeQAgACCc057jHmdUNLe3Q7CP6vEMJf27rqKyIa9ycfkg+crjGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ae94,2606:4700:3034::6815:2816
SOA + serial 2407683273
DMARC + v=DMARC1; p=none; rua=mailto:slfondendmarc@gmail.com,mailto:dmarc_agg@vali.email; ruf=mailto:slfondendmarc@gmail.com; sp=none; aspf=r;
DNSSEC + secure − indeterminate
2026-06-22 10:48:03
NS − lee.ns.cloudflare.com − phoenix.ns.cloudflare.com
A − 212.97.211.171
MX − 0 academicbooks-dk.mail.protection.outlook.com
TXT − apple-domain-verification=rUlkbk1jSUbfMnxS − google-site-verification=gZqbiqV9uYWuScsHSWUThWKP7ywOq47knAmBnW3J7oE − google-site-verification=RGp4U00Bs2InuFY4X4cY6BWwnMJz5bngazyYNrlH7gc − MS=ms92932091 − v=spf1 ip4:192.38.111.162/28 ip4:212.97.211.166/27 include:bounce.peytz.dk include:spf.protection.outlook.com -all
SOA − serial 2407379132
DMARC − v=DMARC1; p=none; rua=mailto:slfondendmarc@gmail.com,mailto:dmarc_agg@vali.email; ruf=mailto:slfondendmarc@gmail.com; sp=none; aspf=r;
DNSSEC + indeterminate − secure
2026-06-20 07:34:26
SOA + serial 2407379132 − serial 2407011429
2026-06-16 12:37:02 baseline 2 NS · 1 A · 1 MX · 5 TXT · serial 2407011429 · DMARC · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 10 scans). Click a timestamp to view that full snapshot.

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