byggeribranchen.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 30 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.111 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.31.111 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.176.61 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:1f6f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:b03d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.31.111,172.67.176.61 ech=AEX+DQBBnQAgACDZrI+IaNAjacs0fmrGlT4tWjCDRp/7aB2w6kylCD68LAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1f6f,2606:4700:3037::ac43:b03d |
| Policy | Record (_dmarc.byggeribranchen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.31.111 172.67.176.61 2606:4700:3030::6815:1f6f 2606:4700:3037::ac43:b03d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network byggeribranchen.dk: 104.21.31.111 172.67.176.61 2606:4700:3030::6815:1f6f 2606:4700:3037::ac43:b03d (AS13335) www.byggeribranchen.dk: 104.21.31.111 172.67.176.61 2606:4700:3030::6815:1f6f 2606:4700:3037::ac43:b03d (AS13335) |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| 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 | 2406420800 |
| Primary NS (MNAME) | cloe.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-06-30 |
| Expires | 2027-07-31 (276d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 22:23:04 | 766ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-05 05:19:29 | 887ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-04 05:10:59 | 466ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-29 16:15:12 | 694ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-24 18:16:25 | 1259ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-11 01:43:49 | 1326ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-26 14:06:38 | 627ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-24 13:09:30 | 4295ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-09 02:06:59 | 9284ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-02 01:21:22 | 1977ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-02 01:17:46 shown | 1066ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-16 18:15:05 | 837ms | 2 NS 2 A 4 MX | 🔓 Insecure |