cityhuset.dk

📜 Historical scan 2026-09-25 14:23:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cityhuset.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was registered on 30 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.230.24.43 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by cityhuset-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
curns02.dnsadmin.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.230.24.43	3600s	1317664.cloudwaysapps.com	AS14061	DigitalOcean, LLC	157.230.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cityhuset-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::24 2a01:111:f403:ca3c::a 52.101.103.140 52.101.185.21 52.101.185.24 52.101.68.8	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 118ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:spf.mandrillapp.com include:_spf.signicat.cloud ip4:87.48.139.178 ip4:91.238.212.70 ip4:217.116.213.9 mx a -all

✉️ SPF#

Policy	Record (cityhuset.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.elasticemail.com include:spf.mandrillapp.com include:_spf.signicat.cloud ip4:87.48.139.178 ip4:91.238.212.70 ip4:217.116.213.9 mx a -all

📨 DMARC#

Policy	Record (_dmarc.cityhuset.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:tjmpklk7@ag.eu.dmarcian.com; ruf=mailto:tjmpklk7@fr.eu.dmarcian.com;

📬 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 2026-10-21 18:16:31

www	157.230.24.43 (AS14061) (address records, no CNAME)
www vs bare domain	Same network cityhuset.dk: 157.230.24.43 (AS14061) www.cityhuset.dk: 157.230.24.43 (AS14061)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-cityhuset-dk._domainkey.cityhuset.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-cityhuset-dk._domainkey.cityhuset.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-26 07:38:26

Field	Value
Registrar	CURANET A/S
Registered	2000-11-30
Expires	2026-12-31 (65d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

38ms

AAAA

31ms

TXT

118ms

CAA

32ms

HTTPS

44ms

TLSA

769ms

SOA

0ms

MTA-STS

44ms

DNSSEC

124ms

SRV

53ms

Total

1319ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 18:16:31	961ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 09:34:58	2196ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 02:48:35	1187ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 14:23:32 shown	1319ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 08:59:10	1243ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 15:53:49	1147ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 20:23:13	775ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:54:44	760ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 21:56:07	923ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:46:13	2031ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:41:19	62053ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:09:18	536ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:01:29	2397ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:00:08	901ms	2 NS 1 A 1 MX	🔒 Secure