coolsound.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 20 changes
Scanned AtChanges since previous scan
2026-09-02 12:35:46
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBB6gAgACC4g2TfOX03vEevy7Ud4rk31vKn1eH2U8r/RgP61aQFYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c − 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBjwAgACDPPNeWfnfiRhx3UVQm4h48e/EfrQ0m69Qi7c11rYQaIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
2026-07-30 21:57:32
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBjwAgACDPPNeWfnfiRhx3UVQm4h48e/EfrQ0m69Qi7c11rYQaIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c − 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBxQAgACBxmmjK19DqEiNE0CTMydEB0hTMFBmQXjj93wbkM6BYUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
SOA + serial 2410825409 − serial 2410252872
2026-07-23 14:57:50
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBxQAgACBxmmjK19DqEiNE0CTMydEB0hTMFBmQXjj93wbkM6BYUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c − 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBwAAgACAlFqtLJEkyV4g4uDBVEFLjuOTD6QGNkcvc4saLhyInTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
SOA + serial 2410252872 − serial 2409866047
2026-07-18 16:37:42
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBwAAgACAlFqtLJEkyV4g4uDBVEFLjuOTD6QGNkcvc4saLhyInTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c − 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBtwAgACAjj1X9EUQA3FDgW8/PuNtg+ifdrEtSJ194NyFRk/CxXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
SOA + serial 2409866047 − serial 2408905163
DNSSEC + insecure − indeterminate
2026-07-09 04:32:29
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBtwAgACAjj1X9EUQA3FDgW8/PuNtg+ifdrEtSJ194NyFRk/CxXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c − 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBsQAgACDb2SY7hJsmU9G00UGvyVGktf4Ai4xbxNJJsP0I0o7nGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
SOA + serial 2408905163 − serial 2408387387
DNSSEC + indeterminate − insecure
2026-07-01 21:50:24
TXT + google-site-verification=ufoUGFQbye2l_cwXSWBXFXcxaGXpCCV3y5pM8Q7xqI4
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBsQAgACDb2SY7hJsmU9G00UGvyVGktf4Ai4xbxNJJsP0I0o7nGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c − 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBJwAgACCRob0QTMzoV14Ku+8kQza6//bW0KwRvtMXby5Cf60LXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
SOA + serial 2408387387 − serial 2407895828
2026-06-29 00:41:50
A + 104.21.71.145 + 172.67.145.124 − 193.181.212.191
MX + 0 blarke.net − 0 coolsound.dk
AAAA + 2606:4700:3033::6815:4791 + 2606:4700:3035::ac43:917c
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.71.145,172.67.145.124 ech=AEX+DQBBJwAgACCRob0QTMzoV14Ku+8kQza6//bW0KwRvtMXby5Cf60LXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:4791,2606:4700:3035::ac43:917c
SOA + serial 2407895828 − serial 2407280937
2026-06-21 16:15:36
SOA + serial 2407280937 − serial 2406665850
2026-06-16 22:15:06 baseline 2 NS · 1 A · 1 MX · 1 TXT · serial 2406665850 · DMARC · DNSSEC insecure

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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