btek.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 3 January 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.78 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.158.78 | 3600s | linux212.dandomain.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.dandomain.dk → 212.237.249.98 |
| 🔶 Autoconfig | autoconfig-mf.dandomain.dk → 212.237.249.54 |
| TXT Record |
|---|
| protonmail-verification=886dddf6e7c2dff869cfe73164297d2e23bc5344 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (btek.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.btek.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 93.191.158.78 (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.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025092301 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2005-01-03 |
| Expires | 2027-01-31 (103d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 17:02:11 | 498ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 19:07:35 | 665ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 02:45:31 | 556ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 01:45:49 shown | 925ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 23:21:50 | 619ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:48:02 | 3895ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:39:25 | 2304ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 17:31:08 | 755ms | 2 NS 1 A 2 MX | 🔒 Secure |