mattheus.dk is a .dk domain served by 4 nameservers (ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and 1 more). It was registered on 15 June 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.160.0.168 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 217.160.0.168 | — | 217-160-0-168.elastic-ssl.ui-r.com | AS8560 | IONOS SE | 217.160.0.0/16 | 🇩🇪 Germany | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:8d8:100f:f000::25b | — | 2001-08d8-100f-f000-0000-0000-0000-025b.elastic-ssl.ui-r.com | AS8560 | IONOS SE | 2001:8d8:0:0:0:0:0:0/32 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| openai-domain-verification=dv-WhKWFGQqCX0Eali8vyNtHNZ3 |
| protonmail-verification=2419b99569667446d0d56612d52add50645c3f47 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (mattheus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.mattheus.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:ipm5dyx@ar.glockapps.com; ruf=mailto:ipm5dyx@fr.glockapps.com; fo=1; |
| www | 104.21.91.44 172.67.210.50 2606:4700:3033::6815:5b2c 2606:4700:3034::ac43:d232 (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves mattheus.dk: no address (all like this)www.mattheus.dk: 104.21.91.44 172.67.210.50 2606:4700:3033::6815:5b2c 2606:4700:3034::ac43:d232 (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'mattheus.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2017060311 |
| Primary NS (MNAME) | ns1045.ui-dns.com |
| Responsible (RNAME) | hostmaster@1und1.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-06-15 |
| Expires | 2033-06-14 (2427d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:49:45 | 539ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-04 11:22:14 | 1136ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-26 10:34:23 | 2438ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-23 18:41:23 | 1202ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-16 18:12:33 | 1052ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-25 17:31:53 | 621ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-20 18:46:41 | 9561ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-19 18:22:50 | 10164ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-18 16:12:59 | 1759ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-01 11:42:55 | 877ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 14:46:33 shown | 1854ms | 4 NS 1 A 2 MX | ⚠️ Bogus |