citystudent.dk

📜 Timeline and DNS record history  ·  ← Current records

🕰️ Timeline#

8 events

Current WHOIS: Registrar Simply.com A/S · status Active · VID no · expires 2027-05-31 (fetched 2026-10-13).

WhenWhatChange
2027-05-31 upcoming⏳ WHOISPaid until this date (WHOIS expiry) unless it is renewed.
2026-06-25 09:30🔐 DNSSECDNSSEC removed: the zone is no longer signed.
2026-06-25 09:30🖥️ NameserversNameservers changed: + ns1.simply.com + ns2.simply.com + ns3.simply.com − ns.dandomain.dk − ns2.dandomain.dk
2026-06-16 21:58🔐 DNSSECDNSSEC fixed: the zone validates again.
2026-06-16 21:09⚠️ DNSSECDNSSEC broke: the zone fails validation.
2026-06-16 21:00🔎 ScanFirst scanned: delegated to ns.dandomain.dk, ns2.dandomain.dk.
2026-06-16🌱 ZoneAlready in the .dk zone when our tracking began.
2010-05-18📝 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#

14 scans · 25 changes
Scanned AtChanges since previous scan
2026-10-13 04:08:57
SOA + serial 2026101200 − serial 2026100800
2026-10-09 21:37:53
SOA + serial 2026100800 − serial 2026100600
DMARC + v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:postmaster@reconor.dk; rua=mailto:postmaster@reconor.dk; fo=1;
2026-10-07 13:59:27
TXT + v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all − \"v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all\"
SOA + serial 2026100600 − serial 2026100300
2026-10-04 13:07:24
TXT + \"v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all\" − \\\"v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all\\\"
SOA + serial 2026100300 − serial 2026062402
2026-09-23 11:43:01 no changes
2026-09-02 15:19:59 no changes
2026-08-26 01:19:43 no changes
2026-06-25 09:30:38
NS + ns1.simply.com + ns2.simply.com + ns3.simply.com − ns.dandomain.dk − ns2.dandomain.dk
TXT + \\\"v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all\\\" − v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all
SOA + serial 2026062402 − serial 2021062803
DNSSEC + insecure − secure
2026-06-23 21:36:03
NS + ns.dandomain.dk + ns2.dandomain.dk
A + 78.46.12.208
MX + 0 citystudent-dk.mail.protection.outlook.com
TXT + v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all
SOA + serial 2021062803
DNSSEC + secure − indeterminate
2026-06-22 16:12:46
NS − ns.dandomain.dk − ns2.dandomain.dk
A − 78.46.12.208
MX − 0 citystudent-dk.mail.protection.outlook.com
TXT − v=spf1 include:spf.itafdelingen.net include:o._spf.hostedsepo.dk include:spf.protection.outlook.com ip4:178.209.169.116 ip4:178.209.172.72 ip4:185.150.75.22 ip4:77.66.88.254 ip4:77.66.88.129 -all
SOA − serial 2021062803
DNSSEC + indeterminate − secure
2026-06-16 21:58:24
DNSSEC + secure − bogus
2026-06-16 21:10:20 no changes
2026-06-16 21:09:09
DNSSEC + bogus − secure
2026-06-16 21:00:35 baseline 2 NS · 1 A · 1 MX · 1 TXT · serial 2021062803 · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 14 scans). Click a timestamp to view that full snapshot.

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