blaks.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 March 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.108.15 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.52.108.15 | 600s | 0x57346c0f.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-03-23 |
| Expires | 2029-03-31 (889d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 08:42:35 | 1528ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 17:13:09 | 2356ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-11 15:04:48 | 1157ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 15:01:00 | 754ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 12:11:44 | 881ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 15:48:45 | 5743ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-19 06:13:41 | 1134ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-14 17:02:23 shown | 8830ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 23:37:04 | 1048ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 14:46:38 | 622ms | 2 NS 1 A 4 MX | 🔒 Secure |