mantzius.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.30 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.30 | — | webcluster1.webpod15-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:f0:f25d:8e18:62da | — | — | 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 (mantzius.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.mantzius.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 46.30.215.27 2a02:2350:5:10e:da:348f:1ce6:4077 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network mantzius.dk: 46.30.215.27 2a02:2350:5:10e:da:348f:1ce6:4077 (AS51468) www.mantzius.dk: 46.30.215.27 2a02:2350:5:10e:da:348f:1ce6:4077 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | F9CAE2DF0FCB54F04130769823BED77A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052805 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 16:33:34 | 769ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 16:22:12 | 779ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 16:02:15 | 2579ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 00:47:39 | 770ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-22 05:39:02 | 1563ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 23:15:15 | 736ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 13:45:22 | 1037ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 22:20:35 | 1664ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-20 22:06:31 | 10590ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-01 17:25:24 | 17082ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 11:57:11 | 931ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 16:03:37 | 10731ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 11:13:15 | 2234ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 03:12:07 | 585ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-21 04:39:12 | 1030ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 17:27:31 shown | 897ms | 2 NS 1 A 4 MX | 🔒 Secure |