thiocyn.dk

📜 Historical scan 2026-06-17 19:28:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thiocyn.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was registered on 27 March 2017 (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, 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#

3 records 2065ms

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 2032ms

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

📧 MX Records#

2 records 2064ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx00.udag.de	62.146.106.39	mx00.udag.de	AS15598 NorthC Deutschland GmbH
20	—	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 2323ms

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

✉️ SPF#

Policy	Record (thiocyn.dk)
~all (soft fail)	v=spf1 include:_smtp.udag.de ~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 2026-10-09 16:10:06

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

🔎 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#

2083ms

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

🏷️ SOA#

2032ms

Field	Value
Serial	2023120503
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 2026-10-05 17:36:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-03-27
Expires	2027-03-31 (157d)

📋 WHOIS#

⏱️ Lookup Timing#

2065ms

2032ms

2064ms

AAAA

2064ms

TXT

2323ms

CAA

2061ms

HTTPS

2066ms

TLSA

139ms

SOA

2032ms

MTA-STS

55ms

DNSSEC

2083ms

SRV

106ms

Total

2863ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 08:49:12	744ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-27 04:20:03	1210ms	3 NS 1 A 2 MX	🔓 Insecure
2026-08-26 07:07:09	757ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-24 22:11:35	884ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-17 19:28:22 shown	2863ms	3 NS 1 A 2 MX	🔓 Insecure