esbbib.dk is a .dk domain served by 2 nameservers (brit.ns.cloudflare.com, mack.ns.cloudflare.com). It was registered on 9 December 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.25.93 is hosted by IDDQD-AS (AS1835) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 130.226.25.93 | 300s | — | AS1835 | IDDQD-AS | 130.226.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 ip4:192.66.115.28/32 ~all |
| Policy | Record (esbbib.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:192.66.115.28/32 ~all |
| Policy | Record (_dmarc.esbbib.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; ruf=mailto:67f4ea9c73209@dmarc-dk.centerasecurity.com; adkim=s; aspf=s; fo=1 |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 1699302946 |
| max_age | 86400s |
| Policy MX | mx01.esbkomm.dk, mx02.esbkomm.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:e91cfde6c0bc.m@dmarcinput.com |
| www | 130.226.25.93 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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: 0/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.esbbib.dk | L3rRAU7Y6mzsGpydmidw_PtWFrB0_l0ZosYWp4Yz2c0 |
| TXT | _acme-challenge.esbbib.dk | aE7s1kATJrUf2k92PG-D8LH3QkoTuiaGXoWDTKp2QPY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417889867 |
| 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 | 1996-12-09 |
| Expires | 2026-12-31 (72d) |
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 |
|---|---|---|---|
| 2026-10-19 23:19:38 shown | 468ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 13:35:13 | 3327ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 16:32:52 | 675ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 14:54:48 | 1147ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 18:39:09 | 934ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 13:54:44 | 781ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 10:49:46 | 657ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-22 00:58:25 | 8136ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 00:54:28 | 7240ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-19 23:51:09 | 5696ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 03:11:12 | 1715ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 21:31:32 | 1030ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-29 09:06:59 | 865ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-04 18:11:08 | 1693ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-23 13:42:16 | 811ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 21:15:45 | 951ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 17:19:57 | 846ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:15:40 | 555ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:15:37 | 795ms | 2 NS 1 A 0 MX | 🔒 Secure |