vb-byg.dk

📜 Historical scan 2026-07-22 06:23:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vb-byg.dk is a .dk domain served by 3 nameservers (ns1.nordicnumber.com, ns2.nordicnumber.com, ns3.nordicnumber.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.198.138.10 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by gw1.security.comendo.com, gw2.security.comendo.com 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#

3 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nordicnumber.com	91.198.138.46	ns1.nordicnumber.com	AS51167 Contabo GmbH
ns2.nordicnumber.com	91.198.138.47	ns2.nordicnumber.com	AS51167 Contabo GmbH
ns3.nordicnumber.com	213.136.93.70	ns3.nnhosting.eu	AS51167 Contabo GmbH

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.198.138.10	900s	—	AS51167	Contabo GmbH	91.198.138.0/24	🇫🇷 France	Lauterbourg

📧 MX Records#

3 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	gw1.security.comendo.com	192.162.219.49 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	900s	gw2.security.comendo.com	192.162.219.155 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
30	900s	gw3.security.comendo.com	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.vbb.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 296ms

TXT Record
v=spf1 include:o._spf.comendo.com ptr:mail.vbb.dk a:mail.vbb.dk ip4:94.146.52.46 include:spf.nordicnumber.com ~all

✉️ SPF#

Policy	Record (vb-byg.dk)
~all (soft fail)	v=spf1 include:o._spf.comendo.com ptr:mail.vbb.dk a:mail.vbb.dk ip4:94.146.52.46 include:spf.nordicnumber.com ~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 02:18:19

www CNAME	vb-byg.dk (all on vb-byg.dk) → 91.198.138.10 (AS51167)
www vs bare domain	Same network vb-byg.dk: 91.198.138.10 (AS51167) www.vb-byg.dk: 91.198.138.10 (AS51167)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: ~all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 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	2016042625
Primary NS (MNAME)	ns1.nordicnumber.com
Responsible (RNAME)	hostmaster@nordicnumber.com
Refresh	900s
Retry	600s
Expire	900s
Minimum (neg-cache TTL)	900s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

47ms

AAAA

48ms

TXT

296ms

CAA

47ms

HTTPS

52ms

TLSA

200ms

SOA

0ms

MTA-STS

68ms

DNSSEC

79ms

SRV

79ms

Total

1243ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-22 16:00:11	12008ms	3 NS 1 A 3 MX	🔓 Insecure
2026-08-30 17:23:43	1375ms	3 NS 1 A 3 MX	🔓 Insecure
2026-08-29 04:19:08	58343ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-26 23:18:31	2654ms	3 NS 1 A 3 MX	🔓 Insecure
2026-07-22 06:23:07 shown	1243ms	3 NS 1 A 3 MX	🔓 Insecure
2026-07-02 10:00:54	1501ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-17 15:23:48	1760ms	3 NS 1 A 3 MX	🔓 Insecure