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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.198.138.10 | 900s | — | AS51167 | Contabo GmbH | 91.198.138.0/24 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | gw1.security.comendo.com | 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd | mx11.electric.net | AS16509 Amazon.com, Inc. |
| 20 | 900s | gw2.security.comendo.com | 2a01:77c0:1619:4101:d99:c22:fb4d:290e | mx10.electric.net | AS16509 Amazon.com, Inc. |
| 30 | 900s | gw3.security.comendo.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.vbb.dk |
| 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 |
| 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 |
| www CNAME | vb-byg.dk (all on vb-byg.dk) → 91.198.138.10 (AS51167) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 10/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-22 16:00:11 shown | 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 | 1501ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 15:23:48 | 1760ms | 3 NS 1 A 3 MX | 🔓 Insecure |