semester.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 28 changes
Scanned AtChanges since previous scan
2026-09-02 04:39:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBBnAAgACDqNLgRzLJVhmjEa88XSPcJSGTXwp7LrXshHbKONqTjYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cec8,2606:4700:3033::6815:328b − 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBBcwAgACCn/m3LD6MOliaQPm+jB7t8exP6qD3dVyt6ZDX1MabXdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cec8,2606:4700:3033::6815:328b
2026-08-28 05:30:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBBcwAgACCn/m3LD6MOliaQPm+jB7t8exP6qD3dVyt6ZDX1MabXdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cec8,2606:4700:3033::6815:328b − 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBB7wAgACDvRZwvEQkkKaY2fFdWpLJRWAGStxogw24m9ddhtXtyJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cec8,2606:4700:3033::6815:328b
2026-08-09 15:08:28
A + 104.21.50.139 + 172.67.206.200 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3030::ac43:cec8 + 2606:4700:3033::6815:328b − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBB7wAgACDvRZwvEQkkKaY2fFdWpLJRWAGStxogw24m9ddhtXtyJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:cec8,2606:4700:3033::6815:328b − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBOwAgACBELX8HcpMzdct4swNxoewyTy2e+KVXyi1rPKLO/FQWMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2411479709 − serial 2411030132
2026-08-02 17:30:00
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBOwAgACBELX8HcpMzdct4swNxoewyTy2e+KVXyi1rPKLO/FQWMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBOgAgACB99Ig3KN5T+y/a5VZ9pegt1lF0kYlzVcyjYOXvcMM6KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2411030132 − serial 2406376731
2026-06-21 05:32:36
NS + kinsley.ns.cloudflare.com + nero.ns.cloudflare.com
A + 188.114.96.1 + 188.114.97.1
MX + 10 mx1.improvmx.com + 20 mx2.improvmx.com
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1
TXT + v=spf1 -all + v=spf1 include:spf.improvmx.com ~all
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBOgAgACB99Ig3KN5T+y/a5VZ9pegt1lF0kYlzVcyjYOXvcMM6KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2406376731
DMARC + v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:45b8ff6fcaaa47c482e023ce5e822019@dmarc-reports.cloudflare.net;
DNSSEC + insecure − indeterminate
2026-06-21 05:14:21
NS − kinsley.ns.cloudflare.com − nero.ns.cloudflare.com
A − 104.21.50.139 − 172.67.206.200
MX − 10 mx1.improvmx.com − 20 mx2.improvmx.com
AAAA − 2a06:98c1:3120::9 − 2a06:98c1:3121::9
TXT − v=spf1 -all − v=spf1 include:spf.improvmx.com ~all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBBHAAgACC+SFRaafkH82GZ3ptOKCPrsK30Bnjo3vG5v3A+He0jQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:328b,2606:4700:3035::ac43:cec8
SOA − serial 2406376731
DMARC − v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:45b8ff6fcaaa47c482e023ce5e822019@dmarc-reports.cloudflare.net;
DNSSEC + indeterminate − insecure
2026-06-20 08:02:25
AAAA + 2a06:98c1:3120::9 + 2a06:98c1:3121::9 − 2606:4700:3035::6815:328b − 2606:4700:3035::ac43:cec8
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBBHAAgACC+SFRaafkH82GZ3ptOKCPrsK30Bnjo3vG5v3A+He0jQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:328b,2606:4700:3035::ac43:cec8 − 1 . alpn="h3,h2" ipv4hint=104.21.50.139,172.67.206.200 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:328b,2606:4700:3035::ac43:cec8
2026-06-17 13:34:10 baseline 2 NS · 2 A · 2 MX · 2 AAAA · 2 TXT · 1 HTTPS · serial 2406376731 · DMARC · 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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