4bb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.122 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod8-cph3.one.com, mx2.pub.mailpod8-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.122 | — | webcluster2.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.pub.mailpod8-cph3.one.com | 185.164.14.102 | mx1.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | — | mx2.pub.mailpod8-cph3.one.com | 185.164.14.103 | mx2.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | — | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:80d7:c12e:8ab5:b90f | — | — | 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 (4bb.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| www | 46.30.215.86 2a02:2350:5:111:b5:1264:51d4:e817 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 4bb.dk: 46.30.215.86 2a02:2350:5:111:b5:1264:51d4:e817 (AS51468) www.4bb.dk: 46.30.215.86 2a02:2350:5:111:b5:1264:51d4:e817 (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.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | 026A3DCAF3804B72DA8C105B5ADC0C7D… |
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | 026A3DCAF3804B72DA8C105B5ADC0C7D… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | 026A3DCAF3804B72DA8C105B5ADC0C7D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061305 |
| 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 | 2018-02-05 |
| Expires | 2027-02-28 (133d) |
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).
| Domain | Registrar |
|---|---|
| apollobar.dk | ONE.COM A/S |
| kafeteriasmk.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 00:16:04 | 1186ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 12:24:25 | 728ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-02 08:51:29 | 726ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-31 17:33:02 | 829ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 09:43:07 | 621ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-25 14:52:23 | 1641ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-15 04:06:24 | 8884ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-25 02:37:48 | 17018ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 05:11:14 | 1339ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 17:27:10 | 697ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 12:37:33 shown | 840ms | 2 NS 1 A 3 MX | 🔒 Secure |