thomsit.dk

📜 Historical scan 2026-06-18 14:52:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomsit.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was registered on 7 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.31.143.90 is hosted by united-domains GmbH (AS202108) in Germany. Mail is handled by mx00.udag.de, mx01.udag.de. The zone is not DNSSEC-signed, 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#

3 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.udag.de	2001:8d8:fe:53:217:160:80:253 217.160.80.253	ns.udag.de ns.udag.de	AS8560 IONOS SE AS8560 IONOS SE
ns.udag.net	185.132.33.253 2607:f1c0:fe:53:185:132:33:253	ns.udag.net ns.udag.net	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns.udag.org	185.132.34.253 2607:f1c0:fe:53:185:132:34:253	ns.udag.org ns.udag.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.31.143.90	600s	—	AS202108	united-domains GmbH	89.31.142.0/23	🇩🇪 Germany	—

📧 MX Records#

2 records 76ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx00.udag.de	62.146.106.39	mx00.udag.de	AS15598 NorthC Deutschland GmbH
20	3600s	mx01.udag.de	62.146.106.40	mx01.udag.de	AS15598 NorthC Deutschland GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	89.31.143.90
🔶 Autoconfig	89.31.143.90

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 292ms

TXT Record
v=spf1 mx include:_smtp.udag.de -all

✉️ SPF#

Policy	Record (thomsit.dk)
-all (hard fail)	v=spf1 mx include:_smtp.udag.de -all

📨 DMARC#

Policy	Record (_dmarc.thomsit.dk)
p=reject	v=DMARC1; p=reject; pct=100; ri=86400

📬 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 2026-10-13 03:23:30

www	89.31.143.90 (AS202108) (address records, no CNAME)
www vs bare domain	Same network thomsit.dk: 89.31.143.90 (AS202108) www.thomsit.dk: 89.31.143.90 (AS202108)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2024060409
Primary NS (MNAME)	ns.udag.de
Responsible (RNAME)	hostmaster@united-domains.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 23:33:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-11-07
Expires	2026-11-30 (36d)

📋 WHOIS#

⏱️ Lookup Timing#

22ms

75ms

76ms

AAAA

64ms

TXT

292ms

CAA

69ms

HTTPS

73ms

TLSA

75ms

SOA

24ms

MTA-STS

75ms

DNSSEC

91ms

SRV

96ms

Total

716ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:56:22	601ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-30 05:44:14	694ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-24 21:55:28	760ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-23 23:13:48	666ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-18 14:52:59 shown	716ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-18 10:09:33	722ms	3 NS 1 A 2 MX	🔓 Insecure