grobshulen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 February 2012 (WHOIS) and 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 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 |
|---|---|---|---|---|---|---|---|
| 87.104.80.138 | 43200s | mail.grobshulen.dk | AS204274 | AURA Fiber A/S | 87.104.64.0/18 | 🇩🇰 Denmark | Odder |
| 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 | 2026072501 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2012-02-14 |
| Expires | 2027-02-28 (127d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:39:22 | 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 shown | 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 |