holthoejgaard.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.126 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.126 | 3600s | server16.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.126 |
| 🔶 Autoconfig | 178.20.216.126 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:10 | 14400s | server16.chosting.dk | 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 |
|---|
| protonmail-verification=b4ffca5056278882d5cbf86e68947efb37b34291 |
| v=spf1 ip4:178.20.216.126 include:spf.chosting.dk include:_spf.protonmail.ch ~all |
| Policy | Record (holthoejgaard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.126 include:spf.chosting.dk include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.holthoejgaard.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;ruf=mailto:dan@holthoejgaard.dk |
| www CNAME | holthoejgaard.dk (all on holthoejgaard.dk) |
| www vs bare domain | Same network holthoejgaard.dk: 178.20.216.126 2a01:7cc0:101:ffff::1:10 (AS21060) www.holthoejgaard.dk: 178.20.216.126 2a01:7cc0:101:ffff::1:10 (AS21060) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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.holthoejgaard.dk | 6ndFuhSgneZJnKe4VU5Iv7APZNDvB2k8VG7ABsRKBAs |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026091401 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 01:36:02 | 658ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-02 13:01:28 shown | 604ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-15 18:46:41 | 3293ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-17 06:14:24 | 2203ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 17:10:15 | 2861ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 03:10:31 | 2419ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 14:24:13 | 2717ms | 3 NS 1 A 2 MX | 🔓 Insecure |