opensourcecfdcourse.dk

📜 Timeline and DNS record history  ·  ← Current records

🕰️ Timeline#

2 events
WhenWhatChange
2026-06-17 13:25🔎 ScanFirst scanned: delegated to aliza.ns.cloudflare.com, frank.ns.cloudflare.com.
2026-06-16🌱 ZoneAlready in the .dk zone when our tracking began.

Zone-list changes since our first list import, DNS changes from our scans, registrar moves and WHOIS status, VID and expiry changes as we fetched them (WHOIS is sampled, so a change is dated when we saw it, not when it happened).

📜 Record History#

8 scans · 13 changes
Scanned AtChanges since previous scan
2026-10-02 15:48:16
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBiQAgACAZR1XMl+Sp8r3q7/MwvfVdIoCxIwhD9Yx2Bg37zc3NTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBB/QAgACDXnBlS7WsBpW3het4JiVs5q/cfBYlfPPlRrwAHBZwcJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b
SOA + serial 2416368882 − serial 2416337313
2026-10-01 15:43:54
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBB/QAgACDXnBlS7WsBpW3het4JiVs5q/cfBYlfPPlRrwAHBZwcJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBB5gAgACCIWLitOIuFOHEyZ83kqAxk4H4btPDLRm9w/Iva0MyfegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b
SOA + serial 2416337313 − serial 2415115736
2026-09-18 00:44:34
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBB5gAgACCIWLitOIuFOHEyZ83kqAxk4H4btPDLRm9w/Iva0MyfegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBvwAgACAR4jC5DZs77sQkHO059hEovZVJdriELCA3O6CDbkmVOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b
SOA + serial 2415115736 − serial 2411239215
2026-09-09 00:07:43
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBvwAgACAR4jC5DZs77sQkHO059hEovZVJdriELCA3O6CDbkmVOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBSQAgACCroazjlZoPusoav985mbUuVIPv3RYBlmlh0o2FPT/vCgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b
2026-08-26 16:12:44
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBSQAgACCroazjlZoPusoav985mbUuVIPv3RYBlmlh0o2FPT/vCgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBTQAgACCLqSp8XcSK8m9K+4dQe/lAdP95NuRj0VshDXZzORowQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b
2026-08-07 17:02:56
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBTQAgACCLqSp8XcSK8m9K+4dQe/lAdP95NuRj0VshDXZzORowQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBxgAgACDULUGceGgyPetqbPZ5G1bgOniCSCPFKJYGdO5YidD2dwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b
SOA + serial 2411239215 − serial 2410002409
2026-07-21 04:05:42
AAAA + 2606:4700:3033::6815:7d6 + 2606:4700:3036::ac43:bc0b − 2606:4700:3034::ac43:bc0b − 2606:4700:3037::6815:7d6
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBxgAgACDULUGceGgyPetqbPZ5G1bgOniCSCPFKJYGdO5YidD2dwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:7d6,2606:4700:3036::ac43:bc0b − 1 . alpn="h3,h2" ipv4hint=104.21.7.214,172.67.188.11 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bc0b,2606:4700:3037::6815:7d6
SOA + serial 2410002409 − serial 2406136744
2026-06-17 13:25:32 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406136744 · 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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