fbit.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 212.237.249.16 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.237.249.16 | — | splash.curanet.dk | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms29627968 |
| v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:spfrerouting.xink.io -all |
| Policy | Record (fbit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:spfrerouting.xink.io -all |
| www | 212.237.249.16 (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 |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042501 |
| 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 |
|---|---|---|---|
| 2026-09-30 11:21:54 | 482ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-24 20:47:53 | 700ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 03:38:36 | 2669ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 14:53:53 | 1429ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 16:37:41 | 10967ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 09:37:36 shown | 3170ms | 2 NS 1 A 3 MX | 🔒 Secure |