beierholm-revisortrainee.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 20.54.91.64 is hosted by Microsoft Corporation (AS8075) in Ireland. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 20.54.91.64 | 900s | — | AS8075 | Microsoft Corporation | 20.48.0.0/12 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | beierholm-revisortrainee.dk → 20.54.91.64 |
| 🔶 Autoconfig | beierholm-revisortrainee.dk → 20.54.91.64 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (beierholm-revisortrainee.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.beierholm-revisortrainee.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:5jkgceda@ag.eu.dmarcadvisor.com;ruf=mailto:5jkgceda@fr.eu.dmarcadvisor.com; |
| www CNAME | beierholm-revisortrainee.dk (all on beierholm-revisortrainee.dk) → 20.54.91.64 (AS8075) |
| www vs bare domain | Same network beierholm-revisortrainee.dk: 20.54.91.64 (AS8075) www.beierholm-revisortrainee.dk: 20.54.91.64 (AS8075) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.beierholm-revisortrainee.dk | beierholm-revisortrainee.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021055547 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | dns@beierholm.dk |
| Refresh | 14400s |
| Retry | 1440s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-19 06:01:12 shown | 626ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 11:55:20 | 664ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-14 07:28:12 | 4754ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-08 16:06:12 | 8634ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 11:47:45 | 8881ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-03 14:37:56 | 8699ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-01 22:26:19 | 1408ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-31 17:50:07 | 785ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-29 23:03:36 | 2536ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-27 18:39:25 | 8604ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-26 18:09:28 | 850ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-25 17:54:00 | 970ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 16:51:32 | 8535ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 15:56:26 | 948ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-22 13:08:32 | 827ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-21 09:57:45 | 9574ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-20 08:24:55 | 802ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-19 05:23:36 | 2283ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-18 03:12:22 | 16656ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-16 12:36:43 | 832ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-13 06:35:31 | 875ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-08 13:23:04 | 942ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-05 18:38:03 | 1296ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-04 12:51:03 | 1116ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 10:16:49 | 751ms | 2 NS 1 A 0 MX | 🔓 Insecure |