vb-byg.dk
📜 Historical scan 2026-07-02 10:00:54  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 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 Records1 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.198.138.32 3600s — AS51167 Contabo GmbH 91.198.138.0/24 🇫🇷 France Lauterbourg
📧 MX Records3 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 Records1 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC122ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA47ms
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 — collected automatically when SOA serial changes
📋 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
2026-08-30 17:23:43 1375ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-08-29 04:19:08 58343ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-26 23:18:31 2654ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-07-22 06:23:07 1243ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-07-02 10:00:54 1501ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 15:23:48 1760ms 3 NS 1 A 3 MX 🔓 Insecure View
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