opitz.dk

📜 Historical scan 2026-06-17 15:23:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opitz.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was registered on 12 May 2000 (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 102ms

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 158ms

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 107ms

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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 334ms

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

✉️ SPF#

Policy	Record (opitz.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 2026-10-08 02:08:10

www	89.31.143.90 (AS202108) (address records, no CNAME)
www vs bare domain	Same network opitz.dk: 89.31.143.90 (AS202108) www.opitz.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#

134ms

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

🏷️ SOA#

106ms

Field	Value
Serial	2023112402
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 2026-10-17 01:36:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-05-12
Expires	2029-06-30 (978d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

102ms

158ms

107ms

AAAA

105ms

TXT

334ms

CAA

88ms

HTTPS

63ms

TLSA

111ms

SOA

106ms

MTA-STS

95ms

DNSSEC

134ms

SRV

0ms

Total

734ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 02:08:10	639ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-25 03:51:50	715ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-27 14:03:19	1177ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-23 20:31:31	1162ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:23:59 shown	734ms	3 NS 1 A 2 MX	🔓 Insecure