btrust.dk is a .dk domain served by 2 nameservers (ns1.ge4.dk, ns2.ge4.dk). It was registered on 2 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.37.86 is hosted by Norlys Digital A/S (AS3308) in Denmark. Mail is handled by mx1.ge4.dk, mx2.ge4.dk. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.ge4.dk | 178.63.156.211 | pl02.ge4.dk | AS24940 Hetzner Online GmbH |
| ns2.ge4.dk | 87.48.148.14 | — | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.8.37.86 | 600s | — | AS3308 | Norlys Digital A/S | 193.8.36.0/23 | 🇩🇰 Denmark | Ølstykke |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.ge4.dk | 178.63.156.209 | mail.ge4.dk | AS24940 Hetzner Online GmbH |
| 20 | 600s | mx2.ge4.dk | 87.48.148.13 | — | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.ge4.dk → 178.63.156.209 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.ge4.dk |
| TXT Record |
|---|
| v=spf1 ip4:178.63.156.208/29 -all |
| Policy | Record (btrust.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:178.63.156.208/29 -all |
| Policy | Record (_dmarc.btrust.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:utaq5se7@ag.dmarcian.com |
| www | 193.8.37.86 (AS3308) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.btrust.dk | 4810fc46-6d84-4bc6-be84-5907436d2690.auth.acme-dns.io |
| TXT | 4810fc46-6d84-4bc6-be84-5907436d2690.auth.acme-dns.io | VA9gMB-EqH4DqWmXng4SICq4Pa6Qcfqwg2dJt2Lcf88 |
| 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 | 2026091904 |
| Primary NS (MNAME) | ns1.ge4.dk |
| Responsible (RNAME) | support@ge4.dk |
| Refresh | 7200s |
| Retry | 60s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-01-02 |
| Expires | 2027-01-01 (76d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 08:35:14 | 17766ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-13 07:01:17 | 8661ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 18:47:50 | 4709ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-20 13:50:55 | 5125ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-19 04:57:56 shown | 16937ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-12 08:40:08 | 17549ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-01 04:52:51 | 16709ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 11:35:57 | 4836ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 11:02:19 | 4795ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-30 03:31:34 | 703ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 14:19:15 | 2372ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 00:12:48 | 1608ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 17:42:50 | 3289ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 17:39:59 | 3165ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 17:30:46 | 2575ms | 2 NS 1 A 2 MX | 🔓 Insecure |