fhbu.dk is a .dk domain served by 2 nameservers (ns1.fluxdns.dk, ns2.fluxdns.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.180.41.188 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.180.41.188 | 342s | static.188.41.180.157.clients.your-server.de | AS24940 | Hetzner Online GmbH | 157.180.0.0/17 | 🇫🇮 Finland | Helsinki |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| google-site-verification=hAEP4TPxbsTLeW72fWVDw-GdiY1tPc5yeySA4dbI4FE |
| MS=ms72076523 |
| v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com ~all |
| Policy | Record (fhbu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com ~all |
| www CNAME | www99.cloud.fhit.dk (all on fhit.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 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| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| 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 | 2026081103 |
| Primary NS (MNAME) | ns1.fluxdns.dk |
| Responsible (RNAME) | hostmaster@fluxdns.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:15:43 | 661ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-03 04:53:21 | 946ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 08:19:00 | 9595ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-16 05:01:35 | 9574ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-05 14:12:44 | 2258ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 08:06:56 | 2868ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 01:52:58 | 2179ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-12 05:25:05 shown | 1628ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-08 21:40:50 | 1482ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-31 17:31:20 | 1197ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-10 15:39:35 | 9085ms | 2 NS 1 A 2 MX | ❓ Unknown |
| 2026-07-09 05:52:55 | 9013ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 22:12:22 | 9982ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 08:03:18 | 2251ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-19 16:07:09 | 4813ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:05:25 | 1848ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:03:24 | 993ms | 2 NS 1 A 2 MX | 🔓 Insecure |