taub.dk

📜 Historical scan 2026-08-27 15:55:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

taub.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was registered on 13 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.196.174.158 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx20.check4spam.dk, mx40.check4spam.dk and 1 more. 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.onwelcom.dk	185.51.79.241	mail.onwelcom.dk	AS205984 Powernet Aps
ns2.onwelcom.dk	185.51.79.251	—	AS205984 Powernet Aps

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.196.174.158	86400s	—	AS3292	TDC Holding A/S	80.196.0.0/14	🇩🇰 Denmark	Hedensted

📧 MX Records#

3 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx20.check4spam.dk	154.59.193.124 2001:978:2:6::f:124	fe3-r3-in.du01.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
10	86400s	mx40.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
20	86400s	mx30.check4spam.dk	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	127.0.0.1
🔶 Autoconfig	80.196.174.158

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 75ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	exchange.onwelcom.dk

📝 TXT Records#

1 records 192ms

TXT Record
v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all

✉️ SPF#

Policy	Record (taub.dk)
-all (hard fail)	v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -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 08:58:36

www	80.196.174.158 (AS3292) (address records, no CNAME)
www vs bare domain	Same network taub.dk: 80.196.174.158 (AS3292) www.taub.dk: 80.196.174.158 (AS3292)
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#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2016062003
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@taub.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 07:33:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-11-13
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

45ms

33ms

AAAA

41ms

TXT

192ms

CAA

52ms

HTTPS

39ms

TLSA

113ms

SOA

0ms

MTA-STS

76ms

DNSSEC

79ms

SRV

75ms

Total

927ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:03:58	689ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:18:10	1114ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 13:05:19	4098ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-15 18:53:24	4100ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-27 15:55:41 shown	927ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-26 11:51:52	800ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-18 03:56:41	714ms	2 NS 1 A 3 MX	🔓 Insecure