fh-teknik.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.99 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fhteknik-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.99 | 3600s | linux7.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 35.214.186.42 |
| TXT Record |
|---|
| v=spf1 mx a include:web.shared.mysmtp.com include:spf.curanet.dk include:spf.protection.outlook.com include:fh-teknik.dk.spf.auto.dnssmarthost.net -all |
| Policy | Record (fh-teknik.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:web.shared.mysmtp.com include:spf.curanet.dk include:spf.protection.outlook.com include:fh-teknik.dk.spf.auto.dnssmarthost.net -all |
| Policy | Record (_dmarc.fh-teknik.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:jbh@fh-teknik.dk |
| www | 185.21.40.99 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | fh-teknik.dk.default.dkim.auto.dnssmarthost.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: 12/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026051101 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 01:15:20 shown | 869ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 23:32:53 | 982ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 20:02:30 | 1090ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 23:41:44 | 1514ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 18:34:22 | 1128ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:31:35 | 691ms | 2 NS 1 A 3 MX | 🔒 Secure |