dpa-system.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 3 more. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | — | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| TXT Record |
|---|
| _eln7ey5zhu2g2dv6iwwp0josv2w12kg |
| _o9r6nm5xm7foejvw5ekyc3bhzwmxhlt |
| 2d06lgbsz1t4syv0hbn1ydq5dtjsgghl |
| bjod5iK86QL/vZ+wGpBBSH940t7WV4iEJReVH/YEKfg= |
| google-site-verification=6yDS6qmSgU6nca10Bsk2Xj807olasF_CHDzoVx0l-bs |
| MS=ms33452136 |
| v=spf1 a ip4:13.93.108.177 ip4:81.7.158.165 include:spf.protection.outlook.com include:spf.mailanyone.net -all |
| vpe=f3d1d9a1 |
| Policy | Record (dpa-system.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:13.93.108.177 ip4:81.7.158.165 include:spf.protection.outlook.com include:spf.mailanyone.net -all |
| Policy | Record (_dmarc.dpa-system.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@dpa-system.dk; ruf=mailto:dmarc@dpa-system.dk; rf=afrf; pct=100; ri=86400 |
| www | 195.47.247.18 (AS51468) (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 |
|---|---|---|
| selector2 | selector2-dpasystem-dk0i._domainkey.dpasystem1.onmicrosoft.com | 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: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052201 |
| 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 | 2008-08-21 |
| Expires | 2027-08-31 (311d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:17:47 | 1858ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-03 04:32:59 | 1665ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-27 06:16:31 | 1291ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-22 20:07:38 | 1550ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-19 23:47:17 | 1711ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-12 21:56:51 | 1896ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-06 20:02:29 | 2311ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-22 07:02:54 | 5733ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-23 04:14:09 | 2116ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-14 17:06:14 | 2175ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-07 02:48:29 | 9774ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 16:30:14 | 3320ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-22 01:51:21 | 779ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 04:26:14 | 1497ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 04:20:48 shown | 1313ms | 2 NS 1 A 5 MX | 🔒 Secure |