cooldown.dk
📜 DNS record history  ·  ← Current records
📜 Record History8 scans · 13 changes
Scanned AtChanges since previous scan
2026-09-04 09:21:10
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBB+wAgACBnzCV/nKgOOJ17ds9vnRL9kehJR7odrnq10lDYEry0AQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBB3gAgACAozdg6TF+IOLutI2raZBDRPBvAjRJn2ExG9kdRfnpPIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5
2026-08-26 14:03:59
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBB3gAgACAozdg6TF+IOLutI2raZBDRPBvAjRJn2ExG9kdRfnpPIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBGgAgACAlrhwDdXgS4SBnNgyWFficpWKBI07BotE5tCun6c0VHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5
2026-08-17 06:35:25
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBGgAgACAlrhwDdXgS4SBnNgyWFficpWKBI07BotE5tCun6c0VHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBkQAgACD/xSZdYSRk1bwGi9lVCU3Dmt19KQNI58wpUifL3x8QHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5
SOA + serial 2412360012 − serial 2411280988
2026-08-06 12:21:13
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBkQAgACD/xSZdYSRk1bwGi9lVCU3Dmt19KQNI58wpUifL3x8QHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBeAAgACAn/HWpPXUul2qrIzRbxR3Bgs9oSlqV/2zwC/0UfIwjdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5
SOA + serial 2411280988 − serial 2410286408
2026-07-24 03:36:47
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBeAAgACAn/HWpPXUul2qrIzRbxR3Bgs9oSlqV/2zwC/0UfIwjdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBPgAgACAG7pK0zcsnyZvHvJlYbmkB2rqkqcEmeMMrE5Tahq1RHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5
SOA + serial 2410286408 − serial 2409910947
2026-07-19 13:41:08
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBPgAgACAG7pK0zcsnyZvHvJlYbmkB2rqkqcEmeMMrE5Tahq1RHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBigAgACDfA10QpjU1U0hhjl6NFxhG9fg8zNQ8tN+MFWwrvqoqFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5
SOA + serial 2409910947 − serial 2408212804
2026-07-01 12:55:26
AAAA + 2606:4700:3035::ac43:c35b + 2606:4700:3036::6815:31e5 − 2606:4700:3031::ac43:c35b − 2606:4700:3035::6815:31e5
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBigAgACDfA10QpjU1U0hhjl6NFxhG9fg8zNQ8tN+MFWwrvqoqFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c35b,2606:4700:3036::6815:31e5 − 1 . alpn="h3,h2" ipv4hint=104.21.49.229,172.67.195.91 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c35b,2606:4700:3035::6815:31e5
SOA + serial 2408212804 − serial 2406183054
2026-06-16 22:15:12 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406183054 · DNSSEC secure

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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