u-f.dk

Records from scan: 2026-10-15 02:25:35 · 1431ms total · last checked 2026-10-16 04:47 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

u-f.dk is a .dk domain served by 2 nameservers (kip.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 1 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.97.209 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by uf-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
kip.ns.cloudflare.com	108.162.193.128 172.64.33.128 173.245.59.128 2606:4700:58::adf5:3b80 2803:f800:50::6ca2:c180 2a06:98c1:50::ac40:2180	kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.97.209	300s	nginx1.relationhouse.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	uf-dk0c.mail.protection.outlook.com	2a01:111:f403:ca38::8 2a01:111:f403:ca38::a 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.103.140 52.101.68.10 52.101.68.27 52.101.91.162	mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 174ms

TXT Record
7a6cb2nf0aegk4m7f644dn7alg
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (u-f.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 2026-10-15 02:25:35

www CNAME	u-f.dk (all on u-f.dk) → 94.231.97.209 (AS48854)
www vs bare domain	Same network u-f.dk: 94.231.97.209 (AS48854) www.u-f.dk: 94.231.97.209 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

119ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

38ms

Field	Value
Serial	2417506871
Primary NS (MNAME)	kip.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 12:50:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-04-01
Expires	2027-04-30 (195d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

30ms

29ms

AAAA

33ms

TXT

174ms

CAA

31ms

HTTPS

30ms

TLSA

779ms

SOA

38ms

MTA-STS

48ms

DNSSEC

119ms

SRV

86ms

Total

1431ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 02:25:35 shown	1431ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 17:13:05	1173ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 21:18:55	1252ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 12:48:18	1315ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 02:36:41	1439ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 02:04:44	1236ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-05 05:26:34	1450ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 20:35:17	1940ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-11 06:06:11	4421ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 19:13:59	896ms	2 NS 1 A 1 MX	🔓 Insecure