btxgroup.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 13 August 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by mail.btx.dk. 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 |
|---|---|---|---|---|---|---|---|
| 80.92.65.188 | 598s | 80-92-65-188.ip.dclux.com | AS24611 | Datacenter Luxembourg S.A. | 80.92.64.0/19 | 🇱🇺 Luxembourg | Luxembourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.btx.dk | 194.239.124.1 | mail.btx.dk | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (btxgroup.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021032739 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2005-08-13 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:06:59 | 697ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 05:42:36 | 640ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 04:46:09 | 9459ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 03:20:31 | 4317ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 16:48:32 | 751ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 16:11:24 | 659ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 13:18:36 | 767ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 03:21:35 | 3166ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 01:15:04 | 1799ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 15:11:33 | 904ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 19:09:15 | 915ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 12:34:52 | 847ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 11:30:07 | 2318ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 10:01:37 | 1002ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 12:49:33 shown | 2546ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 03:22:17 | 926ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 02:24:13 | 813ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:37:40 | 4153ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:32:53 | 1595ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 17:30:23 | 614ms | 4 NS 1 A 1 MX | 🔒 Secure |