vb-byg.dk

📜 Historical scan 2026-07-02 10:00:54  ·  ← 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 91.198.138.32 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   65ms
NameserverIP addressesPTRASN / ISP
ns1.nordicnumber.com 91.198.138.46 — 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
IPTTLPTRASNISP / OrgCIDRCountryCity
91.198.138.32 3600s — AS51167 Contabo GmbH 91.198.138.0/24 🇫🇷 France Lauterbourg

📧 MX Records#

3 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscovermail.vbb.dk
🔶 Autoconfig91.198.138.32

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   354ms
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#

PolicyRecord (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 CNAMEvb-byg.dk (all on vb-byg.dk)
www vs bare domainSame network
vb-byg.dk: 91.198.138.10 (AS51167)
www.vb-byg.dk: 91.198.138.10 (AS51167)
WildcardNo

🔎 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#

122ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

47ms
FieldValue
Serial2016042620
Primary NS (MNAME)ns1.nordicnumber.com
Responsible (RNAME)hostmaster@nordicnumber.com
Refresh900s
Retry600s
Expire900s
Minimum (neg-cache TTL)900s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
65ms
A
48ms
MX
58ms
AAAA
47ms
TXT
354ms
CAA
73ms
HTTPS
70ms
TLSA
284ms
SOA
47ms
MTA-STS
91ms
DNSSEC
122ms
SRV
122ms
Total
1501ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 1243ms 3 NS 1 A 3 MX 🔓 Insecure
2026-07-02 10:00:54 shown 1501ms 3 NS 1 A 3 MX 🔓 Insecure
2026-06-17 15:23:48 1760ms 3 NS 1 A 3 MX 🔓 Insecure
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