markedsoptimering.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.126 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.126 | 3600s | webcluster2.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod9-cph3.one.com | 185.164.14.118 | mx1.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod9-cph3.one.com | 185.164.14.119 | mx2.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod9-cph3.one.com | 185.164.14.120 | mx3.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod9-cph3.one.com | 185.164.14.124 | mx4.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.213.126 |
| 🔶 Autoconfig | 46.30.213.126 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:80f4:20f4:e3ee:6583 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com -all |
| Policy | Record (markedsoptimering.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| www | 46.30.213.126 2a02:2350:5:10b:80f4:20f4:e3ee:6583 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network markedsoptimering.dk: 46.30.213.126 2a02:2350:5:10b:80f4:20f4:e3ee:6583 (AS51468) www.markedsoptimering.dk: 46.30.213.126 2a02:2350:5:10b:80f4:20f4:e3ee:6583 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061705 |
| 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 | 2011-03-02 |
| Expires | 2027-03-31 (162d) |
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 |
|---|---|---|---|
| 2026-10-17 06:55:56 | 538ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 05:02:14 | 771ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 05:12:13 | 1065ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 20:59:16 | 2907ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-05 00:09:58 | 913ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 02:08:01 | 2354ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 20:28:44 shown | 1630ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 14:34:37 | 2284ms | 2 NS 1 A 4 MX | 🔒 Secure |