mathiasens.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 6 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.20 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mathiasens.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.20 | 3600s | server11.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mathiasens.dk | 178.20.216.20 2a01:7cc0:101:ffff::1:8 |
server11.chosting.dk — |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.20 |
| 🔶 Autoconfig | 178.20.216.20 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:8 | 3600s | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 ip4:178.20.216.20 include:spf.chosting.dk +a +mx +ip4:178.20.216.21 ~all |
| Policy | Record (mathiasens.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.20 include:spf.chosting.dk +a +mx +ip4:178.20.216.21 ~all |
| Policy | Record (_dmarc.mathiasens.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | mathiasens.dk (all on mathiasens.dk) |
| www vs bare domain | Same network mathiasens.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) www.mathiasens.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mathiasens.dk | YbZ3Du4CiQCmtxyE9Hkv2Cet1AWAJLe56xg_lZSL18Y |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072001 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 2022-03-06 |
| Expires | 2027-03-05 (130d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 05:05:30 | 485ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 00:43:01 | 778ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 05:24:56 | 2354ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 16:20:45 | 2637ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 16:31:43 | 942ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-21 14:48:12 shown | 2887ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 09:06:47 | 1067ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 17:21:13 | 10157ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 16:45:54 | 847ms | 3 NS 1 A 1 MX | 🔓 Insecure |