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 104.21.83.233 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.gnb-mail.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.83.233 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.182.224 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 120s | mail.gnb-mail.dk | 159.195.249.93 2a0a:4cc0:60:2a79:a41c:10ff:febc:cb86 |
mail.gnb-mail.dk mail.gnb-mail.dk |
AS197540 netcup GmbH AS197540 netcup GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.gnb-mail.dk → 159.195.249.93 |
| 🔶 Autoconfig | mail.gnb-mail.dk → 159.195.249.93 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b6e0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:53e9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.83.233,172.67.182.224 ech=AEX+DQBBxQAgACDrycxHIbtbRFPj3PVyptXjvVD5nJu6aN8PBZoDNdNbWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b6e0,2606:4700:3034::6815:53e9 |
| 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 | ⚠️ Invalid |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✗ Missing / invalid |
| Policy ID | 20251003131640 |
| Policy MX | — |
| 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415349496 |
| 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 shown | 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 | 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 |