trbc.dk is a .dk domain served by 2 nameservers (laura.ns.cloudflare.com, newt.ns.cloudflare.com). It was registered on 3 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by amir.mx.cloudflare.net, isaac.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, 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.
| TXT Record |
|---|
| MS=ms23369731 |
| v=spf1 include:_spf.mx.cloudflare.net -all |
| Policy | Record (trbc.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mx.cloudflare.net -all |
| Policy | Record (_dmarc.trbc.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 rua=mailto:1ea54bc9dc194c40ad0b0ed9f4b7df37@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | Neither resolves trbc.dk: no address www.trbc.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.amir.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.amir.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.amir.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2410260002 |
| Primary NS (MNAME) | laura.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 | 2022-02-03 |
| Expires | 2027-02-02 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 06:16:33 | 1587ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-03 21:00:22 | 707ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-02 21:00:15 | 2454ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-29 20:47:27 | 763ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-23 21:29:38 | 908ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-20 08:28:26 | 1570ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-06 23:49:28 | 1801ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-23 17:17:12 | 1724ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-05 22:03:23 | 1653ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-24 08:24:27 shown | 1600ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-12 08:38:36 | 9606ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-09 02:22:02 | 1851ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-28 05:31:09 | 1979ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-21 00:30:45 | 709ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-18 06:30:36 | 4982ms | 2 NS 0 A 3 MX | 🔒 Secure |