m28.dk is a .dk domain served by 2 nameservers (moura.ns.cloudflare.com, sureena.ns.cloudflare.com). It was registered on 1 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.33.42.180 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by isaac.mx.cloudflare.net, amir.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.33.42.180 | 300s | 77.33.42.180.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 77.33.0.0/16 | 🇩🇰 Denmark | Holbæk |
| TXT Record |
|---|
| hosted-email-verify=lit1q9qi |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (m28.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.m28.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:abuse@m28.dk |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| 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 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.isaac.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.linda.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| 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… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416080138 |
| Primary NS (MNAME) | moura.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 | 2017-05-01 |
| Expires | 2029-05-31 (951d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 22:56:10 | 3136ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 22:33:41 shown | 1384ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 08:42:54 | 1216ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-17 14:13:16 | 2451ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-12 21:42:58 | 1976ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 13:17:42 | 2940ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-07 10:51:31 | 1849ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-14 19:14:55 | 8967ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-03 10:37:54 | 9518ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-22 13:06:01 | 3867ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-01 12:32:14 | 1269ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-28 06:18:44 | 1269ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 00:26:38 | 1152ms | 2 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-18 04:42:36 | 1686ms | 2 NS 1 A 3 MX | 🔒 Secure |