rj-45.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 18 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.181.222.52 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.rj-45.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 |
|---|---|---|---|---|---|---|---|
| 185.181.222.52 | 600s | bendata-test.dk | AS203953 | Hiper A/S | 185.181.220.0/22 | 🇩🇰 Denmark | Vanløse |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | mail.rj-45.dk | 185.181.222.52 | bendata-test.dk | AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.181.222.52 |
| 🔶 Autoconfig | 185.181.222.52 |
| TXT Record |
|---|
| v=spf1 mx a ip4:185.181.222.52 ~all |
| Policy | Record (rj-45.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a ip4:185.181.222.52 ~all |
| www | 185.126.53.19 (AS198473) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 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: 2/10 · 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 | 2021050900 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-02-18 |
| Expires | 2027-02-28 (131d) |
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).
| Domain | Registrar |
|---|---|
| bendata-test.dk | Punktum dk A/S (direct) |
| bendata.dk | Punktum dk A/S (direct) |
| primitivo.dk | Simply.com A/S |
| primo-data.dk | Punktum dk A/S (direct) |
| primodata.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 19:54:32 | 390ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 08:42:31 | 1422ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:35:57 | 421ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 23:51:12 | 450ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 18:43:05 | 716ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 15:47:37 | 675ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 17:54:32 shown | 578ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 13:09:18 | 684ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:39:55 | 1016ms | 4 NS 1 A 1 MX | 🔒 Secure |