26b.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.166 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.166 | 3600s | webcluster2.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:8035:1079:336a:fb88 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (26b.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.26b.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:; ruf=mailto: |
| www | 46.30.213.166 2a02:2350:5:10c:8035:1079:336a:fb88 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 26b.dk: 46.30.213.166 2a02:2350:5:10c:8035:1079:336a:fb88 (AS51468) www.26b.dk: 46.30.213.166 2a02:2350:5:10c:8035:1079:336a:fb88 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | 05A6C261F69F69606097350AD7D47EB8… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2003-02-07 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 17:34:09 | 921ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 20:22:43 shown | 422ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-05 01:52:15 | 726ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 01:34:23 | 697ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 22:56:51 | 893ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 21:48:00 | 677ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-28 04:50:08 | 1011ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-15 06:22:00 | 868ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 00:46:42 | 8825ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 01:14:17 | 827ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 12:49:10 | 3830ms | 2 NS 1 A 3 MX | 🔒 Secure |