brandt-clausen.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 178.20.216.100 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by brandt-clausen.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.100 | 14400s | server18.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | brandt-clausen.dk | 178.20.216.100 2a01:7cc0:101:ffff::1:14 |
server18.chosting.dk — |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.100 |
| 🔶 Autoconfig | 178.20.216.100 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:14 | 14400s | — | 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 ip4:178.20.216.100 include:spf.chosting.dk ~all |
| Policy | Record (brandt-clausen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:178.20.216.100 include:spf.chosting.dk ~all |
| Policy | Record (_dmarc.brandt-clausen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | brandt-clausen.dk (all on brandt-clausen.dk) |
| www vs bare domain | Same network brandt-clausen.dk: 178.20.216.100 2a01:7cc0:101:ffff::1:14 (AS21060) www.brandt-clausen.dk: 178.20.216.100 2a01:7cc0:101:ffff::1:14 (AS21060) |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| 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: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.brandt-clausen.dk | c9yiJr8E4Nqvn4rFTkQ8WCIQp7_gF4qeWg5tXVCna1g |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026090801 |
| 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 |
|---|---|---|---|
| 2026-10-20 23:07:38 shown | 761ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:50:02 | 1859ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 21:11:44 | 563ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 17:35:19 | 1195ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-11 02:57:37 | 1038ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:42:17 | 2997ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 19:35:20 | 945ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 10:49:19 | 677ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:42:00 | 810ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 16:41:36 | 495ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 16:40:44 | 469ms | 3 NS 1 A 1 MX | 🔓 Insecure |