tuks.dk

📜 Historical scan 2026-09-28 08:52:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tuks.dk is a .dk domain served by 2 nameservers (marvin.ns.cloudflare.com, mckenzie.ns.cloudflare.com). It was registered on 20 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.52.25.164 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by amir.mx.cloudflare.net, isaac.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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
marvin.ns.cloudflare.com	108.162.195.251 162.159.44.251 172.64.35.251 2606:4700:58::a29f:2cfb 2803:f800:50::6ca2:c3fb 2a06:98c1:50::ac40:23fb	marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com marvin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mckenzie.ns.cloudflare.com	108.162.194.253 162.159.38.253 172.64.34.253 2606:4700:50::a29f:26fd 2803:f800:50::6ca2:c2fd 2a06:98c1:50::ac40:22fd	mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
86.52.25.164	300s	86-52-25-164.norlyscustomer.net	AS39642	Sinal A/S	86.52.0.0/16	🇩🇰 Denmark	Randers

📧 MX Records#

3 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	amir.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
79	300s	isaac.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
81	300s	linda.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	86.52.25.164
🔶 Autoconfig	86.52.25.164

🔷 AAAA Records (IPv6)#

1 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
::ffff:86.52.25.164	300s	—	AS39642	Sinal A/S	—	🇩🇰 Denmark	Randers

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 194ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (tuks.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.tuks.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:per.a.jensen@opacia.dk

📬 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 16:15:53

www	86.52.25.164 ::ffff:86.52.25.164 (AS39642) (address records, no CNAME)
www vs bare domain	Same network tuks.dk: 86.52.25.164 ::ffff:86.52.25.164 (AS39642) www.tuks.dk: 86.52.25.164 ::ffff:86.52.25.164 (AS39642)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tuks.dk	WrrIEVb7HLZ4FCNTcc8_ac_PSCyQpOHhkeMh48sFzYc
TXT	_acme-challenge.tuks.dk	Yv5CRIF0dNkcpoPgtKH_rfCchlLNzs7YTjk0xoyaRk8

🔗 TLSA / DANE#

9 records 465ms

Service / Owner	Type	Cert association
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

118ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416007859
Primary NS (MNAME)	marvin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 10:21:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-12-20
Expires	2026-12-31 (69d)

🔗 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
opacia.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

39ms

50ms

AAAA

34ms

TXT

194ms

CAA

55ms

HTTPS

40ms

TLSA

465ms

SOA

0ms

MTA-STS

245ms

DNSSEC

118ms

SRV

73ms

Total

1607ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 16:15:53	918ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-02 09:59:30	1184ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-30 09:50:08	1476ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-29 09:43:31	1547ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-28 08:52:15 shown	1607ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-20 04:20:19	926ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-05 17:00:38	2868ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-13 06:35:23	2928ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-04 03:33:42	1452ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-20 13:23:21	1878ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-28 14:26:47	1166ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-23 15:36:34	1253ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-23 10:34:26	1194ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:39:53	5128ms	2 NS 1 A 3 MX	🔒 Secure