columbia.dk

📜 Timeline and DNS record history  ·  ← Current records

🕰️ Timeline#

4 events

Current WHOIS: Registrar MarkMonitor Inc. · status Active · VID no · expires 2026-12-31 (fetched 2026-10-09).

WhenWhatChange
2026-12-31 upcoming⏳ WHOISPaid until this date (WHOIS expiry) unless it is renewed.
2026-06-16 21:50🔎 ScanFirst scanned: delegated to pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk.
2026-06-16🌱 ZoneAlready in the .dk zone when our tracking began.
2000-11-22📝 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#

8 scans · 20 changes
Scanned AtChanges since previous scan
2026-10-01 03:17:52
AAAA + 2600:9000:2171:1e00:b:934b:b300:93a1 + 2600:9000:2171:3600:b:934b:b300:93a1 + 2600:9000:2171:3a00:b:934b:b300:93a1 + 2600:9000:2171:7c00:b:934b:b300:93a1 + 2600:9000:2171:aa00:b:934b:b300:93a1 + 2600:9000:2171:c200:b:934b:b300:93a1 + 2600:9000:2171:c800:b:934b:b300:93a1 − 2600:9000:2171:4c00:b:934b:b300:93a1 − 2600:9000:2171:6c00:b:934b:b300:93a1 − 2600:9000:2171:9e00:b:934b:b300:93a1 − 2600:9000:2171:b400:b:934b:b300:93a1 − 2600:9000:2171:ba00:b:934b:b300:93a1 − 2600:9000:2171:be00:b:934b:b300:93a1 − 2600:9000:2171:e00:b:934b:b300:93a1
2026-09-24 14:21:37
A + 13.249.8.108 + 13.249.8.20 + 13.249.8.73 + 13.249.8.93 − 18.238.243.104 − 18.238.243.30 − 18.238.243.41 − 18.238.243.42
AAAA + 2600:9000:2171:4c00:b:934b:b300:93a1 + 2600:9000:2171:6c00:b:934b:b300:93a1 + 2600:9000:2171:9e00:b:934b:b300:93a1 + 2600:9000:2171:b400:b:934b:b300:93a1 + 2600:9000:2171:ba00:b:934b:b300:93a1 + 2600:9000:2171:be00:b:934b:b300:93a1 + 2600:9000:2171:c000:b:934b:b300:93a1 + 2600:9000:2171:e00:b:934b:b300:93a1 − 2600:9000:2171:1800:b:934b:b300:93a1 − 2600:9000:2171:6a00:b:934b:b300:93a1 − 2600:9000:2171:7e00:b:934b:b300:93a1 − 2600:9000:2171:9a00:b:934b:b300:93a1 − 2600:9000:2171:a000:b:934b:b300:93a1 − 2600:9000:2171:c800:b:934b:b300:93a1 − 2600:9000:2171:da00:b:934b:b300:93a1 − 2600:9000:2171:ee00:b:934b:b300:93a1
2026-09-12 12:11:03
A + 18.238.243.104 + 18.238.243.30 + 18.238.243.41 + 18.238.243.42 − 13.33.187.23 − 13.33.187.30 − 13.33.187.53 − 13.33.187.71
AAAA + 2600:9000:2171:1800:b:934b:b300:93a1 + 2600:9000:2171:6a00:b:934b:b300:93a1 + 2600:9000:2171:7e00:b:934b:b300:93a1 + 2600:9000:2171:9a00:b:934b:b300:93a1 + 2600:9000:2171:a000:b:934b:b300:93a1 + 2600:9000:2171:c800:b:934b:b300:93a1 + 2600:9000:2171:da00:b:934b:b300:93a1 + 2600:9000:2171:ee00:b:934b:b300:93a1 − 2600:9000:235a:1000:b:934b:b300:93a1 − 2600:9000:235a:200:b:934b:b300:93a1 − 2600:9000:235a:4a00:b:934b:b300:93a1 − 2600:9000:235a:6600:b:934b:b300:93a1 − 2600:9000:235a:8200:b:934b:b300:93a1 − 2600:9000:235a:da00:b:934b:b300:93a1 − 2600:9000:235a:ee00:b:934b:b300:93a1 − 2600:9000:235a:f600:b:934b:b300:93a1
2026-06-28 13:48:55
NS + pdns1.ultradns.net + pdns2.ultradns.net + pdns3.ultradns.org + pdns4.ultradns.org + pdns5.ultradns.info + pdns6.ultradns.co.uk
A + 13.33.187.23 + 13.33.187.30 + 13.33.187.53 + 13.33.187.71
AAAA + 2600:9000:235a:1000:b:934b:b300:93a1 + 2600:9000:235a:200:b:934b:b300:93a1 + 2600:9000:235a:4a00:b:934b:b300:93a1 + 2600:9000:235a:6600:b:934b:b300:93a1 + 2600:9000:235a:8200:b:934b:b300:93a1 + 2600:9000:235a:da00:b:934b:b300:93a1 + 2600:9000:235a:ee00:b:934b:b300:93a1 + 2600:9000:235a:f600:b:934b:b300:93a1
SOA + serial 2011030130
DMARC + v=DMARC1; p=reject; rua=mailto:DMARC_Monitoring@Columbia.com
DNSSEC + insecure − indeterminate
2026-06-22 20:06:21
NS − pdns1.ultradns.net − pdns2.ultradns.net − pdns3.ultradns.org − pdns4.ultradns.org − pdns5.ultradns.info − pdns6.ultradns.co.uk
A − 13.249.8.108 − 13.249.8.20 − 13.249.8.73 − 13.249.8.93
AAAA − 2600:9000:2171:2600:b:934b:b300:93a1 − 2600:9000:2171:6600:b:934b:b300:93a1 − 2600:9000:2171:6800:b:934b:b300:93a1 − 2600:9000:2171:7000:b:934b:b300:93a1 − 2600:9000:2171:7800:b:934b:b300:93a1 − 2600:9000:2171:8c00:b:934b:b300:93a1 − 2600:9000:2171:c200:b:934b:b300:93a1 − 2600:9000:2171:c400:b:934b:b300:93a1
SOA − serial 2011030130
DMARC − v=DMARC1; p=reject; rua=mailto:DMARC_Monitoring@Columbia.com
DNSSEC + indeterminate − insecure
2026-06-20 22:11:45
AAAA + 2600:9000:2171:2600:b:934b:b300:93a1 + 2600:9000:2171:6600:b:934b:b300:93a1 + 2600:9000:2171:6800:b:934b:b300:93a1 + 2600:9000:2171:7000:b:934b:b300:93a1 + 2600:9000:2171:7800:b:934b:b300:93a1 + 2600:9000:2171:8c00:b:934b:b300:93a1 + 2600:9000:2171:c200:b:934b:b300:93a1 + 2600:9000:2171:c400:b:934b:b300:93a1 − 2600:9000:2171:4800:b:934b:b300:93a1 − 2600:9000:2171:5600:b:934b:b300:93a1 − 2600:9000:2171:7400:b:934b:b300:93a1 − 2600:9000:2171:800:b:934b:b300:93a1 − 2600:9000:2171:8800:b:934b:b300:93a1 − 2600:9000:2171:8a00:b:934b:b300:93a1 − 2600:9000:2171:9a00:b:934b:b300:93a1 − 2600:9000:2171:ac00:b:934b:b300:93a1
2026-06-20 18:11:58
A + 13.249.8.108 + 13.249.8.20 + 13.249.8.73 + 13.249.8.93 − 13.33.187.23 − 13.33.187.30 − 13.33.187.53 − 13.33.187.71
AAAA + 2600:9000:2171:4800:b:934b:b300:93a1 + 2600:9000:2171:5600:b:934b:b300:93a1 + 2600:9000:2171:7400:b:934b:b300:93a1 + 2600:9000:2171:800:b:934b:b300:93a1 + 2600:9000:2171:8800:b:934b:b300:93a1 + 2600:9000:2171:8a00:b:934b:b300:93a1 + 2600:9000:2171:9a00:b:934b:b300:93a1 + 2600:9000:2171:ac00:b:934b:b300:93a1 − 2600:9000:2171:1800:b:934b:b300:93a1 − 2600:9000:2171:2600:b:934b:b300:93a1 − 2600:9000:2171:4c00:b:934b:b300:93a1 − 2600:9000:2171:5a00:b:934b:b300:93a1 − 2600:9000:2171:6600:b:934b:b300:93a1 − 2600:9000:2171:6e00:b:934b:b300:93a1 − 2600:9000:2171:a00:b:934b:b300:93a1 − 2600:9000:2171:aa00:b:934b:b300:93a1
2026-06-16 21:50:40 baseline 6 NS · 4 A · 8 AAAA · serial 2011030130 · DMARC · 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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