maibrith.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.91.139.21 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.maibrith.dk, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.91.139.21 | 20000s | 83-91-139-21-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 83.90.0.0/15 | 🇩🇰 Denmark | Ballerup Municipality |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.maibrith.dk | 83.91.139.21 | 83-91-139-21-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| 20 | 43200s | backup-mx.post.tele.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | maibrith.dk → 83.91.139.21 |
| 🔶 Autoconfig | maibrith.dk → 83.91.139.21 |
| www CNAME | maibrith.dk (all on maibrith.dk) → 83.91.139.21 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.maibrith.dk | maibrith.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 11:27:49 | 721ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 15:16:08 | 1442ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 02:19:48 | 742ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 18:50:24 | 1052ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 01:31:58 | 1152ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-14 14:24:45 | 4994ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-25 15:11:14 shown | 826ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 23:59:21 | 710ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 06:18:11 | 591ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 02:07:18 | 909ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 06:17:41 | 2605ms | 2 NS 1 A 2 MX | 🔒 Secure |