brbeck.dk is a .dk domain served by 2 nameservers (coco.ns.cloudflare.com, sid.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.80.120.136 is hosted by Bahnhof AB (AS8473) in Denmark. Mail is handled by mail.gnb-mail.dk. The zone is DNSSEC-signed but currently fails validation, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.80.120.136 | 600s | h-213-80-120-136.NA.cust.bahnhofnet.dk | AS8473 | Bahnhof AB | 213.80.96.0/19 | 🇩🇰 Denmark | Viborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.gnb-mail.dk | 2a02:c206:2099:6999::1 75.119.145.21 |
mail.gnb-mail.dk mail.gnb-mail.dk |
AS51167 Contabo GmbH AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.gnb-mail.dk → 75.119.145.21 |
| 🔶 Autoconfig | mail.gnb-mail.dk → 75.119.145.21 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 5 | 443 | mail.gnb-mail.dk |
| TXT Record |
|---|
| google-site-verification=7mrGs5YJCFDuQ8lc37Xw6wUEd9edXp4ytVOXKmCCuHQ |
| v=spf1 mx -all |
| Policy | Record (brbeck.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.brbeck.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:0bf488811cf14881acce762ebaf4f182@dmarc-reports.cloudflare.net |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20251003131640 |
| max_age | 86400s |
| Policy MX | mail.gnb-mail.dk |
| www | 104.21.83.233 172.67.182.224 2606:4700:3030::ac43:b6e0 2606:4700:3034::6815:53e9 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.gnb-mail.dk | DANE-EE · SPKI · SHA-256 | B8969D79FA155EC239BC9618B5DBAB35… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'brbeck.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2407565785 |
| Primary NS (MNAME) | coco.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 18:12:24 | 824ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-09 10:04:00 | 782ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-01 00:27:30 | 833ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-26 15:53:24 | 2414ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 15:09:17 | 955ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-07 00:13:47 | 1314ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-24 01:01:41 | 1431ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-17 04:00:10 | 4039ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 22:09:10 | 994ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 16:51:36 | 1265ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 13:09:40 | 1109ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 10:49:27 | 5275ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 05:52:59 shown | 929ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-22 09:37:02 | 1122ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 07:36:56 | 2477ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 16:48:24 | 656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 16:40:12 | 530ms | 2 NS 1 A 1 MX | 🔒 Secure |