tbmail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 February 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.48 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.tbmail.dk, mx2.tbmail.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.48 | — | webcluster2.webpod12-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.tbmail.dk | 185.125.220.4 | mx1.asom-net.dk | AS60111 ASOM-Net Forening |
| 10 | — | mx2.tbmail.dk | 185.125.222.4 | mx2.asom-net.dk | AS60111 ASOM-Net Forening |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.213.48 |
| 🔶 Autoconfig | 46.30.213.48 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:8084:4f17:6af2:e6af | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 a mx include:spf.asom-net.dk ~all |
| Policy | Record (tbmail.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.asom-net.dk ~all |
| www | 46.30.213.2 2a02:2350:5:10a:17:66cd:51de:9f8c (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network tbmail.dk: 46.30.213.2 2a02:2350:5:10a:17:66cd:51de:9f8c (AS51468) www.tbmail.dk: 46.30.213.2 2a02:2350:5:10a:17:66cd:51de:9f8c (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041905 |
| 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 | 2022-02-07 |
| Expires | 2027-02-06 (103d) |
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 |
|---|---|
| tarmbredbaand.dk | ONE.COM A/S |
| tarmbredbånd.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 01:18:24 | 2373ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-17 00:38:08 | 1353ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 06:17:49 | 523ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 09:55:30 | 4466ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 16:27:40 | 4490ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-18 03:58:19 | 1968ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-14 10:00:01 | 1030ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 00:59:17 | 4771ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-10 21:22:01 | 4008ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 23:31:22 | 1153ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 15:21:31 | 810ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 13:38:07 | 687ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 02:38:13 | 3051ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 19:46:46 shown | 612ms | 2 NS 1 A 2 MX | 🔒 Secure |