tun.dk

📜 Historical scan 2026-07-22 16:37:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tun.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 December 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by cloud7.spamtitan.com, cloud8.spamtitan.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 2034ms

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#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	cloud7.spamtitan.com	13.58.65.21 13.58.8.62 52.15.128.102	cloud7.spamtitan.com cloud7.spamtitan.com cloud7.spamtitan.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
11	14400s	cloud8.spamtitan.com	13.58.65.21 13.58.8.62 52.15.128.102	cloud7.spamtitan.com cloud7.spamtitan.com cloud7.spamtitan.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	webmail.tun.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2145ms

TXT Record
v=spf1 include:_spf_cd.spamtitan.com ~all

✉️ SPF#

Policy	Record (tun.dk)
~all (soft fail)	v=spf1 include:_spf_cd.spamtitan.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#

latest probe, not this scan · checked 2026-10-08 14:19:10

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves tun.dk: no address www.tun.dk: 46.30.211.38 (AS51468) (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#

4048ms

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

🏷️ SOA#

2025ms

Field	Value
Serial	2026063001
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 2026-10-09 08:39:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-12-04
Expires	2028-12-31 (806d)

📋 WHOIS#

⏱️ Lookup Timing#

2034ms

33ms

AAAA

2032ms

TXT

2145ms

CAA

2033ms

HTTPS

32ms

TLSA

100ms

SOA

2025ms

MTA-STS

4036ms

DNSSEC

4048ms

SRV

4029ms

Total

9008ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 12:18:56	1126ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-30 12:10:54	626ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-23 19:33:20	765ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-15 03:49:13	1551ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-08 02:06:05	730ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-26 11:04:19	1647ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-25 20:48:24	678ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-03 06:23:15	8748ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-22 16:37:40 shown	9008ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-03 10:55:15	2017ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-21 05:59:14	1437ms	2 NS 0 A 2 MX	🔒 Secure
2026-06-21 05:11:17	1144ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 17:25:15	2556ms	2 NS 0 A 2 MX	🔒 Secure