bbtfiberoptik.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 94.231.109.93 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.109.93 | 3600s | linux81.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.109.93 |
| 🔶 Autoconfig | 94.231.109.93 |
| TXT Record |
|---|
| f730qty7j8pxgp046dwqqyf2rr9dmw78 |
| v=spf1 a:mail.bbtfiberoptic.dk include:spf.spamfilter.io -all |
| Policy | Record (bbtfiberoptik.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.bbtfiberoptic.dk include:spf.spamfilter.io -all |
| www | 94.231.109.93 (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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.spamfilter.io | DANE-EE · SPKI · SHA-256 | 9A25F05F2E322DABDCC9B7A06AB47A2D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025092201 |
| 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 |
|---|---|---|---|
| 2026-10-08 04:18:46 | 428ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 11:53:54 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 14:54:06 | 597ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 04:52:31 shown | 577ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 16:23:58 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 04:24:24 | 6392ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:11:45 | 2674ms | 2 NS 1 A 1 MX | 🔒 Secure |