cogco.dk

📜 Timeline and DNS record history  ·  ← Current records

🕰️ Timeline#

12 events

Current WHOIS: Registrar Realtime Register B.V. · status Active · VID no · expires 2027-07-31 (fetched 2026-10-06).

WhenWhatChange
2027-07-31 upcoming⏳ WHOISPaid until this date (WHOIS expiry) unless it is renewed.
2026-07-25 15:07🌍 Web hostingWebsite hosting network changed: + AS13335 Cloudflare, Inc. − AS48854 team.blue Denmark A/S
2026-07-25 15:07📬 MailMail servers changed: + cogco-dk.mail.protection.outlook.com
2026-07-25 15:07🖥️ NameserversNameservers changed: + ali.ns.cloudflare.com + terin.ns.cloudflare.com − ns1.curanet.dk − ns2.curanet.dk
2026-07-24 14:50🌍 Web hostingWebsite hosting network changed: + AS48854 team.blue Denmark A/S − AS13335 Cloudflare, Inc.
2026-07-24 14:50📬 MailMail servers changed: − cogco-dk.mail.protection.outlook.com
2026-07-24 14:50🖥️ NameserversNameservers changed: + ns1.curanet.dk + ns2.curanet.dk − ali.ns.cloudflare.com − terin.ns.cloudflare.com
2026-06-27 09:40🔐 DNSSECBroken DNSSEC removed: the zone is now unsigned.
2026-06-16 21:50⚠️ DNSSECDNSSEC added but broken: the zone fails validation.
2026-06-16 21:40🔎 ScanFirst scanned: delegated to ali.ns.cloudflare.com, terin.ns.cloudflare.com.
2026-06-16🌱 ZoneAlready in the .dk zone when our tracking began.
2018-10-16📝 WHOISRegistered (the WHOIS registration date).

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#

11 scans · 37 changes
Scanned AtChanges since previous scan
2026-10-25 04:06:12
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBoAAgACAZxWF7AmwnLXssjhWBua2yLxQjeGHVO66v6rDbDLFAKwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29 − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBB7wAgACAkFmxDs+D1/7GMyEXScG5+0ekZxCs9lpJ4V1gscFfrdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
2026-10-01 04:18:42
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBB7wAgACAkFmxDs+D1/7GMyEXScG5+0ekZxCs9lpJ4V1gscFfrdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29 − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBB/wAgACBHIVaCypVRzKSbJ6cS/hHY7R4sQz6Y9Fo5o4Y/xg4ISwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
2026-09-28 16:01:12
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBB/wAgACBHIVaCypVRzKSbJ6cS/hHY7R4sQz6Y9Fo5o4Y/xg4ISwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29 − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBrwAgACDFbLVr+tQwjYs0uzOcFpF085wLLfwFLYrtsR82S1dZawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
SOA + serial 2416080083 − serial 2410981515
2026-09-25 15:19:06
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBrwAgACDFbLVr+tQwjYs0uzOcFpF085wLLfwFLYrtsR82S1dZawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29 − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBrwAgACB5nWtNX8shJf0THzXToQrTBRG+vX7lzsiWBjGNzySGegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
2026-07-31 15:16:43
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBrwAgACB5nWtNX8shJf0THzXToQrTBRG+vX7lzsiWBjGNzySGegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29 − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBiQAgACA9OlQ1lx8WBinYc9R8TMZci027kMfs7SgEA4D/dcuLdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
SOA + serial 2410981515 − serial 2405920810
2026-07-25 15:07:07
NS + ali.ns.cloudflare.com + terin.ns.cloudflare.com − ns1.curanet.dk − ns2.curanet.dk
A + 104.21.44.41 + 172.67.194.205 − 212.237.249.16
MX + 0 cogco-dk.mail.protection.outlook.com
AAAA + 2606:4700:3033::ac43:c2cd + 2606:4700:3034::6815:2c29
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBiQAgACA9OlQ1lx8WBinYc9R8TMZci027kMfs7SgEA4D/dcuLdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
SOA + serial 2405920810 − serial 2026072303
2026-07-24 14:50:14
NS + ns1.curanet.dk + ns2.curanet.dk − ali.ns.cloudflare.com − terin.ns.cloudflare.com
A + 212.237.249.16 − 104.21.44.41 − 172.67.194.205
MX − 0 cogco-dk.mail.protection.outlook.com
AAAA − 2606:4700:3033::ac43:c2cd − 2606:4700:3034::6815:2c29
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBAAAgACD2W8FZNPXilLiFC/JYVZLvaYyCsa38UVtHKosEQjL0JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
SOA + serial 2026072303 − serial 2405920810
2026-06-27 09:40:46
NS + ali.ns.cloudflare.com + terin.ns.cloudflare.com
A + 104.21.44.41 + 172.67.194.205
MX + 0 cogco-dk.mail.protection.outlook.com
AAAA + 2606:4700:3033::ac43:c2cd + 2606:4700:3034::6815:2c29
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBAAAgACD2W8FZNPXilLiFC/JYVZLvaYyCsa38UVtHKosEQjL0JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:c2cd,2606:4700:3034::6815:2c29
SOA + serial 2405920810
DNSSEC + insecure − indeterminate
2026-06-24 02:19:12
NS − ali.ns.cloudflare.com − terin.ns.cloudflare.com
A − 104.21.44.41 − 172.67.194.205
MX − 0 cogco-dk.mail.protection.outlook.com
AAAA − 2606:4700:3031::ac43:c2cd − 2606:4700:3036::6815:2c29
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBlwAgACARtnhQ7LTw1FhCMpClda8WTnV4Yh2JhRcKaIGJtucSdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c2cd,2606:4700:3036::6815:2c29
SOA − serial 2405920810
DNSSEC + indeterminate − bogus
2026-06-16 21:50:15
A + 104.21.44.41 + 172.67.194.205 − 188.114.96.9 − 188.114.97.9
AAAA + 2606:4700:3031::ac43:c2cd + 2606:4700:3036::6815:2c29 − 2a06:98c1:3120::9 − 2a06:98c1:3121::9
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.44.41,172.67.194.205 ech=AEX+DQBBlwAgACARtnhQ7LTw1FhCMpClda8WTnV4Yh2JhRcKaIGJtucSdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c2cd,2606:4700:3036::6815:2c29 − 1 . alpn="h3,h2" ipv4hint=188.114.96.9,188.114.97.9 ech=AEX+DQBBlwAgACARtnhQ7LTw1FhCMpClda8WTnV4Yh2JhRcKaIGJtucSdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::9,2a06:98c1:3121::9
DNSSEC + bogus − insecure
2026-06-16 21:40:42 baseline 2 NS · 2 A · 1 MX · 2 AAAA · 1 HTTPS · serial 2405920810 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 11 scans). Click a timestamp to view that full snapshot.

dhd.dk [/] search Domains, Hosts & DNS — .dk zone