otto-duborg-byggecenter.dk

📜 Historical scan 2026-06-17 13:45:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

otto-duborg-byggecenter.dk is a .dk domain served by 2 nameservers (dns.nic.xlink.net, koeln.nic.xlink.net). It was registered on 13 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.109.96.75 is hosted by Deutsche Telekom AG (AS3320) in Germany. Mail is handled by d328558.a.ess.de.barracudanetworks.com, d328558.b.ess.de.barracudanetworks.com. 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#

2 records 159ms

Nameserver	IP addresses	PTR	ASN / ISP
dns.nic.xlink.net	194.45.97.99	chemnitz.nic.xlink.net	AS6724 Strato GmbH
koeln.nic.xlink.net	193.141.3.6	ulm.nic.xlink.net	AS6724 Strato GmbH

🌍 A Records#

1 records 160ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.109.96.75	—	—	AS3320	Deutsche Telekom AG	192.109.96.0/24	🇩🇪 Germany	Karlsruhe

📧 MX Records#

2 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	d328558.a.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
10	—	d328558.b.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 450ms

TXT Record
v=spf1 -all
X-NIC Certified Quality Zone

✉️ SPF#

Policy	Record (otto-duborg-byggecenter.dk)
-all (hard fail)	v=spf1 -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 2026-10-11 03:03:44

www	192.109.96.75 (AS3320) (address records, no CNAME)
www vs bare domain	Same network otto-duborg-byggecenter.dk: 192.109.96.75 (AS3320) www.otto-duborg-byggecenter.dk: 192.109.96.75 (AS3320)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

281ms

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

🏷️ SOA#

170ms

Field	Value
Serial	2024081200
Primary NS (MNAME)	karlsruhe.nic.xlink.net
Responsible (RNAME)	hostmaster@xlink.net
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-09-30 20:56:57

Field	Value
Registrar	InterNetX GmbH
Registered	2008-05-13
Expires	2027-05-31 (216d)

📋 WHOIS#

⏱️ Lookup Timing#

159ms

160ms

159ms

AAAA

178ms

TXT

450ms

CAA

159ms

HTTPS

153ms

TLSA

262ms

SOA

170ms

MTA-STS

161ms

DNSSEC

281ms

SRV

0ms

Total

2217ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 20:27:58	900ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-26 11:46:03	2923ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-03 22:20:27	1425ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-27 02:15:24	2311ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 00:04:48	1749ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 13:45:19 shown	2217ms	2 NS 1 A 2 MX	🔓 Insecure