esbkomm.dk is a .dk domain served by 2 nameservers (brit.ns.cloudflare.com, mack.ns.cloudflare.com). It was registered on 26 September 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by esbkomm-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| _globalsign-domain-verification=tk8CWYFy6DYOg0KJJAM_1Bk1dHLLvejKdB7NFawW5f |
| anthropic-domain-verification-f91pts=lBYpEPlgnA9ovep6WcxpMFl29 |
| apple-domain-verification=oNRXg0AsKJXMEyIZ |
| HiAI7x6cOVb4wOrq+eXdfrXVqKzW4Ebnn3LlgEBH6U6mueUS9KQTtlr7CERDeKVVgDcDnjDk3MEyTF05l2g0Ww== |
| v=spf1 include:_spf68710.spf-protect.dk -all |
| Policy | Record (esbkomm.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf68710.spf-protect.dk -all |
| Policy | Record (_dmarc.esbkomm.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; ruf=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; adkim=s; aspf=s; ri=86400; fo=1; rf=afrf; pct=100 |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 1727263883 |
| max_age | 86400s |
| Policy MX | *.mail.protection.outlook.com |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:a93ab26ad694.m@dmarcinput.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves esbkomm.dk: no address www.esbkomm.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 |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-esbkomm-dk._domainkey.esbjergkommune.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-esbkomm-dk._domainkey.esbjergkommune.onmicrosoft.com | RSA · ~1024 bit below 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 | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: insecurity proof failed |
| Field | Value |
|---|---|
| Serial | 2415754237 |
| Primary NS (MNAME) | brit.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 1995-09-26 |
| Expires | 2028-09-30 (709d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 12:18:06 | 1524ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-20 07:05:45 | 2028ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-19 04:48:06 | 1170ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-08 17:41:18 | 3134ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 17:33:45 | 2078ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 14:30:38 shown | 1763ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-09-24 23:21:20 | 1037ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 22:51:33 | 1050ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 00:13:40 | 1645ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-13 22:09:18 | 1802ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-06 19:51:49 | 2122ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-01 02:50:41 | 1450ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 22:38:09 | 906ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-21 10:53:56 | 6564ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-08 08:22:50 | 9525ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-31 23:36:08 | 2018ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-25 21:05:50 | 1222ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-15 12:41:44 | 1278ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-12 18:20:36 | 25501ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-05 21:58:23 | 2221ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-03 18:15:18 | 1695ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 05:32:11 | 6823ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-30 07:30:13 | 1073ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-27 11:31:48 | 1659ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 09:31:36 | 1277ms | 2 NS 0 A 1 MX | 🔒 Secure |