marquentein.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 91.229.203.1 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by mxext1.mailbox.org, mxext2.mailbox.org and 1 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.229.203.1 | 43200s | — | AS216275 | Netnoerden ApS | 91.229.203.0/24 | 🇩🇰 Denmark | Virum |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | marquentein.dk → 91.229.203.1 |
| 🔶 Autoconfig | auto.mailbox.org → 185.97.174.46 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | auto.mailbox.org |
| TXT Record |
|---|
| v=spf1 include:mailbox.org -all |
| Policy | Record (marquentein.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mailbox.org -all |
| Policy | Record (_dmarc.marquentein.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@marquentein.dk;ruf=mailto:postmaster@marquentein.dk;adkim=s;aspf=s |
| www CNAME | marquentein.dk (all on marquentein.dk) → 91.229.203.1 (AS216275) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.marquentein.dk | marquentein.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| 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 |
|---|---|---|---|
| 2026-10-12 01:01:05 | 3355ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-15 05:22:35 | 1205ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 02:33:00 shown | 4955ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 00:38:16 | 1074ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 01:59:42 | 1771ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-18 09:57:10 | 1258ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-12 09:49:01 | 18873ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 20:31:10 | 901ms | 2 NS 1 A 3 MX | 🔒 Secure |