12aarhus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.102.88.132 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by smtp.google.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.102.88.132 | — | — | AS47292 | Sentia Denmark A/S | 91.102.88.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=_FvXLmNPeVHdLwv78gTXoRz1ZxbVaKTaWY1vWP-xmlY |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (12aarhus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.12aarhus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@12aarhus.dk, mailto:dmarc@12aarhus.dk; pct=100; adkim=s; aspf=s |
| www | 91.102.88.132 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · 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 | 2026061201 |
| 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 | 2002-02-01 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 22:50:47 | 1560ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:53:50 | 4749ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 12:42:41 | 2704ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 21:32:31 | 819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 16:54:13 | 873ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 01:50:55 | 3532ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 14:47:30 | 1254ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 23:59:40 | 771ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 00:52:06 | 806ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:40:25 shown | 5258ms | 2 NS 1 A 1 MX | 🔒 Secure |