bluechallenge.dk is a .dk domain served by 2 nameservers (ns1.basejump.dk, ns2.basejump.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.167.198.71 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.bluechallenge.dk. The zone is not DNSSEC-signed, 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.basejump.dk | 93.167.198.71 | ns1.basejump.dk | AS3292 TDC Holding A/S |
| ns2.basejump.dk | 93.167.198.75 | — | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.167.198.71 | 14400s | 71.65-126.198.167.93.in-addr.arpa ns1.basejump.dk |
AS3292 | TDC Holding A/S | 93.166.0.0/15 | 🇩🇰 Denmark | Albertslund |
| 93.167.198.73 | 14400s | — | AS3292 | TDC Holding A/S | 93.166.0.0/15 | 🇩🇰 Denmark | Albertslund |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 21 | 14400s | mail.bluechallenge.dk | 93.167.198.72 | — | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.167.198.71 |
| 🔶 Autoconfig | 93.167.198.71 |
| www | NORESPONSE |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2009040202 |
| Primary NS (MNAME) | ns1.basejump.dk |
| Responsible (RNAME) | hostmaster@bluechallenge.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 14400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 14:45:22 | 65535ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 14:36:49 | 39703ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 14:08:15 | 64746ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-19 23:26:05 | 30631ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-18 22:20:38 | 14250ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-17 12:43:33 | 31073ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 12:13:27 | 34626ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-26 11:51:41 | 36827ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 18:21:02 shown | 34876ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-12 21:55:25 | 10805ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 19:36:28 | 20863ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-08 10:14:05 | 52238ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:40:44 | 12725ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-07-04 22:26:44 | 10288ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-07-03 20:47:47 | 28756ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-01 23:46:55 | 41115ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 15:08:36 | 10406ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:08:08 | 743ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:05:23 | 1881ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:00:20 | 2945ms | 2 NS 2 A 1 MX | 🔓 Insecure |