citydata.dk

📜 Historical scan 2026-08-18 21:41:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

citydata.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 2039ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2173ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (citydata.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 06:10:24

www	131.164.170.32 (AS3292) (address records, no CNAME)
www vs bare domain	Only www resolves citydata.dk: no address www.citydata.dk: 131.164.170.32 (AS3292) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

4056ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-16 14:12:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-10-22
Expires	2027-10-31 (376d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
2510.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

2039ms

2036ms

4024ms

AAAA

38ms

TXT

2173ms

CAA

4038ms

HTTPS

4048ms

TLSA

30ms

SOA

4047ms

MTA-STS

4055ms

DNSSEC

4056ms

SRV

4050ms

Total

8631ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 03:48:22	1317ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 03:17:48	948ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-19 08:09:58	677ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 15:18:55	610ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-19 22:20:23	2144ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-18 21:41:15 shown	8631ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-17 12:22:39	6415ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-25 19:51:52	1001ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 06:16:41	687ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 22:50:48	716ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 20:55:04	1214ms	2 NS 0 A 1 MX	🔒 Secure