21st.dk

📜 Timeline and DNS record history  ·  ← Current records

🕰️ Timeline#

5 events
WhenWhatChange
2026-09-28 13:19🧟 DelegationBecame a lame delegation: the nameservers stopped answering for the zone.
2026-09-16 06:54🌍 Web hostingWebsite hosting network changed: − AS48854 team.blue Denmark A/S
2026-09-16 06:54📬 MailMail servers changed: − alt1.aspmx.l.google.com − alt2.aspmx.l.google.com − aspmx.l.google.com − aspmx2.googlemail.com − aspmx3.googlemail.com
2026-06-16 13:13🔎 ScanFirst scanned: delegated to ns.dandomain.dk, ns2.dandomain.dk.
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#

9 scans · 17 changes
Scanned AtChanges since previous scan
2026-09-30 19:52:52 no changes
2026-09-28 13:19:15
SOA − serial 2023061501
DNSSEC + bogus − secure
2026-09-24 12:35:42 no changes
2026-09-16 06:54:45
A − 194.150.113.21
MX − 1 aspmx.l.google.com − 10 aspmx2.googlemail.com − 10 aspmx3.googlemail.com − 5 alt1.aspmx.l.google.com − 5 alt2.aspmx.l.google.com
TXT − google-site-verification=qamg4W-hlkRUVKhQ0yYyAfV_Yr5r4gbzKR_utPYOgK8
2026-06-27 21:24:02 no changes
2026-06-25 21:16:52
NS + ns.dandomain.dk + ns2.dandomain.dk
A + 194.150.113.21
MX + 1 aspmx.l.google.com + 10 aspmx2.googlemail.com + 10 aspmx3.googlemail.com + 5 alt1.aspmx.l.google.com + 5 alt2.aspmx.l.google.com
TXT + google-site-verification=qamg4W-hlkRUVKhQ0yYyAfV_Yr5r4gbzKR_utPYOgK8
SOA + serial 2023061501
DNSSEC + secure − indeterminate
2026-06-22 05:45:53
NS − ns.dandomain.dk − ns2.dandomain.dk
A − 194.150.113.21
MX − 1 aspmx.l.google.com − 10 aspmx2.googlemail.com − 10 aspmx3.googlemail.com − 5 alt1.aspmx.l.google.com − 5 alt2.aspmx.l.google.com
TXT − google-site-verification=qamg4W-hlkRUVKhQ0yYyAfV_Yr5r4gbzKR_utPYOgK8
SOA − serial 2023061501
DNSSEC + indeterminate − secure
2026-06-16 13:18:35 no changes
2026-06-16 13:13:03 baseline 2 NS · 1 A · 5 MX · 1 TXT · serial 2023061501 · DNSSEC secure

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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