grobshulen.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 87.104.80.138 is hosted by AURA Fiber A/S (AS204274) in Denmark. Mail is handled by mail.grobshulen.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 87.104.80.138 | 43200s | mail.grobshulen.dk | AS204274 | AURA Fiber A/S | 87.104.64.0/18 | 🇩🇰 Denmark | Hørning |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.grobshulen.dk | 87.104.80.138 | mail.grobshulen.dk | AS204274 AURA Fiber A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | grobshulen.dk → 87.104.80.138 |
| 🔶 Autoconfig | grobshulen.dk → 87.104.80.138 |
| TXT Record |
|---|
| google-site-verification=taGpUT2CFU-wQGpYERkAQ3-DRJbBakDy3SSv2F5bhqY |
| v=spf1 mx:grobshulen.dk -all |
| Policy | Record (grobshulen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx:grobshulen.dk -all |
| Policy | Record (_dmarc.grobshulen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:sune@grobshulen.dk |
| www CNAME | grobshulen.dk (all on grobshulen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.grobshulen.dk | grobshulen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092501 |
| 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 |
|---|---|---|---|
| 2026-10-08 05:39:22 shown | 550ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:45:10 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 00:44:21 | 722ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 02:25:22 | 869ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 03:51:08 | 1256ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 11:13:49 | 647ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:32:57 | 631ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 05:32:13 | 602ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 02:04:38 | 5041ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 15:04:16 | 1384ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 23:34:32 | 1797ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 13:55:56 | 622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 01:31:57 | 699ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 09:17:40 | 1417ms | 2 NS 1 A 1 MX | 🔒 Secure |