sischool.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 15 changes
Scanned AtChanges since previous scan
2026-09-05 13:51:52
AAAA + 2606:4700:3030::ac43:83fc + 2606:4700:3033::6815:469 − 2606:4700:3030::6815:469 − 2606:4700:3035::ac43:83fc
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBVwAgACA1dH0Tj5hZV20Bwm1byXXC8/nucGIT5RxHslwU2t6UdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:83fc,2606:4700:3033::6815:469 − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBHgAgACC0UQ5Sm51PtYMjpSLDJ1Bx3uQnlHOihm5V08ZXOEQsHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
SOA + serial 2414081689 − serial 2412008089
2026-08-12 10:13:17
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBHgAgACC0UQ5Sm51PtYMjpSLDJ1Bx3uQnlHOihm5V08ZXOEQsHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBlAAgACAnlaSmTqCRhHpp+30bwfmvBBHuzQLG8U9WpzgdbhyiTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
SOA + serial 2412008089 − serial 2411368428
2026-08-05 21:57:40
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBlAAgACAnlaSmTqCRhHpp+30bwfmvBBHuzQLG8U9WpzgdbhyiTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB6AAgACCI+IDbcs1Q320zzu4NnM/OaaPRuHsgdpKyQhDt7gtXFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
SOA + serial 2411368428 − serial 2409934487
2026-07-20 05:43:31
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB6AAgACCI+IDbcs1Q320zzu4NnM/OaaPRuHsgdpKyQhDt7gtXFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBXwAgACBnjtJAUB+uviFrAUhPXG3k9l/8ZrlinQtiyP1EnZn+XgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
SOA + serial 2409934487 − serial 2409781835
2026-07-19 00:10:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBXwAgACBnjtJAUB+uviFrAUhPXG3k9l/8ZrlinQtiyP1EnZn+XgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB+wAgACCx9hEFPeyumjZ4BbRGdK4KPzZKxLkKj7wnGup8Lg1GfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
SOA + serial 2409781835 − serial 2407860883
2026-06-26 17:40:16
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB+wAgACCx9hEFPeyumjZ4BbRGdK4KPzZKxLkKj7wnGup8Lg1GfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBeQAgACCc057jHmdUNLe3Q7CP6vEMJf27rqKyIa9ycfkg+crjGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
2026-06-25 13:59:54
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBeQAgACCc057jHmdUNLe3Q7CP6vEMJf27rqKyIa9ycfkg+crjGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB/gAgACBIVulMEx7OVziL8f6Guob9W5ShrfTsiK0KKx+rZQwZKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
SOA + serial 2407860883 − serial 2406271170
2026-06-20 17:04:15
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBB/gAgACBIVulMEx7OVziL8f6Guob9W5ShrfTsiK0KKx+rZQwZKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc − 1 . alpn="h3,h2" ipv4hint=104.21.4.105,172.67.131.252 ech=AEX+DQBBUgAgACBikhzZAr7Rk2pMlFm723zwb2k97MV6NY84MH+YnyTnJgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:469,2606:4700:3035::ac43:83fc
2026-06-18 02:11:34 baseline 2 NS · 2 A · 1 MX · 2 AAAA · 6 TXT · 1 HTTPS · serial 2406271170 · DMARC · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 9 scans). Click a timestamp to view that full snapshot.

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