citydata.dk

Records from scan: 2026-09-25 03:48:22 · 1317ms total · last checked 2026-10-19 00:59 (unchanged)

⬇ 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. Mail is handled by citydata-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

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#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	citydata-dk.mail.protection.outlook.com	2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.209.153 52.101.68.21 52.101.73.153 52.101.91.162	mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 125ms

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#

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#

111ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 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#

33ms

42ms

33ms

AAAA

32ms

TXT

125ms

CAA

26ms

HTTPS

38ms

TLSA

793ms

SOA

0ms

MTA-STS

45ms

DNSSEC

111ms

SRV

108ms

Total

1317ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 03:48:22 shown	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	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