tuc.dk

Records from scan: 2026-10-10 02:54:47 · 1772ms total · last checked 2026-10-17 16:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tuc.dk is a .dk domain served by 2 nameservers (perla.ns.cloudflare.com, uriah.ns.cloudflare.com). It was registered on 24 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.64 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tuc-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
perla.ns.cloudflare.com	108.162.194.203 162.159.38.203 172.64.34.203 2606:4700:50::a29f:26cb 2803:f800:50::6ca2:c2cb 2a06:98c1:50::ac40:22cb	perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uriah.ns.cloudflare.com	108.162.195.194 162.159.44.194 172.64.35.194 2606:4700:58::a29f:2cc2 2803:f800:50::6ca2:c3c2 2a06:98c1:50::ac40:23c2	uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.64	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.14	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tuc-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::26 2a01:111:f403:ca09::a 2a01:111:f403:ca21::e 52.101.68.21 52.101.68.8 52.101.73.145 52.101.73.153	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5540	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:cb0e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.64,172.67.203.14 ech=AEX+DQBBfQAgACB3r4pfXN3Ds1gsiSxHmxbDOCJI4JYIKgbrlhzEEZyCZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5540,2606:4700:3032::ac43:cb0e

📝 TXT Records#

3 records 145ms

TXT Record
MS=ms81680838
ouISdCFqU54GLaqQ
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tuc.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 2026-10-10 02:54:47

www	104.21.85.64 172.67.203.14 2606:4700:3032::6815:5540 2606:4700:3032::ac43:cb0e (AS13335) (address records, no CNAME)
www vs bare domain	Same network tuc.dk: 104.21.85.64 172.67.203.14 2606:4700:3032::6815:5540 2606:4700:3032::ac43:cb0e (AS13335) www.tuc.dk: 104.21.85.64 172.67.203.14 2606:4700:3032::6815:5540 2606:4700:3032::ac43:cb0e (AS13335)
Wildcard	No

🔎 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#

105ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2417061965
Primary NS (MNAME)	perla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 10:25:34

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-11-24
Expires	2027-12-31 (439d)

🔗 Same registrant#

42 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).

Domain	Registrar
amumidt.dk	Punktum dk A/S (direct)
bilsyn-ringe.dk	Punktum dk A/S (direct)
bilsynherning.dk	Punktum dk A/S (direct)
bilsynringe.dk	Punktum dk A/S (direct)
bilsynspriser.dk	Punktum dk A/S (direct)
bilsynvejle.dk	Punktum dk A/S (direct)
dekra-bilsyn.dk	Punktum dk A/S (direct)
dekra-business.dk	Punktum dk A/S (direct)
dekra-erhvervsuddannelse.dk	Punktum dk A/S (direct)
dekra-eud.dk	Punktum dk A/S (direct)
dekra-it.dk	Punktum dk A/S (direct)
dekra-kl.dk	Punktum dk A/S (direct)
dekra-koerelaerer.dk	Punktum dk A/S (direct)
dekra-korelaerer.dk	Punktum dk A/S (direct)
dekra-kta.dk	Punktum dk A/S (direct)
dekra-midtjylland.dk	Punktum dk A/S (direct)
dekra-vognmand.dk	Punktum dk A/S (direct)
dekra.dk	Punktum dk A/S (direct)
ducas.dk	Punktum dk A/S (direct)
dv-academy.dk	Punktum dk A/S (direct)
dvacademy.dk	Punktum dk A/S (direct)
fpu.dk	Punktum dk A/S (direct)
grønskøreskole.dk	Punktum dk A/S (direct)
koereskoleservice.dk	Punktum dk A/S (direct)
koreskoleservice.dk	Punktum dk A/S (direct)
kta-fyn.dk	Punktum dk A/S (direct)
køreskoleservice.dk	Punktum dk A/S (direct)
nordjysktransportmesse.dk	Punktum dk A/S (direct)
norresundbybilsyn.dk	Punktum dk A/S (direct)
saaby-bilsyn.dk	Punktum dk A/S (direct)
thomas-bilsyn.dk	Punktum dk A/S (direct)
tuc-danmark.dk	Punktum dk A/S (direct)
tuc-dekra.dk	Punktum dk A/S (direct)
tucas.dk	Punktum dk A/S (direct)
tucdanmark.dk	Punktum dk A/S (direct)
tucdekra.dk	Punktum dk A/S (direct)
tucmidtjylland.dk	Punktum dk A/S (direct)
tucsjaelland.dk	Punktum dk A/S (direct)
vejlebilsyn.dk	Punktum dk A/S (direct)
vestjysk-storvognsskole.dk	Punktum dk A/S (direct)
vognmandskurser.dk	Punktum dk A/S (direct)
vs.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

33ms

35ms

AAAA

32ms

TXT

145ms

CAA

35ms

HTTPS

33ms

TLSA

640ms

SOA

37ms

MTA-STS

47ms

DNSSEC

105ms

SRV

49ms

Total

1772ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 02:54:47 shown	1772ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-13 01:10:10	2063ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 02:20:43	1342ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 23:23:53	1055ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 21:27:14	11811ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 21:18:08	9788ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 22:38:01	3903ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-15 16:11:16	1724ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 16:24:37	2477ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:32:28	2165ms	2 NS 2 A 1 MX	🔓 Insecure