blackno1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.9.122.142 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by frontend01.mailsafe.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 |
|---|---|---|---|---|---|---|---|
| 176.9.122.142 | 1200s | static.142.122.9.176.clients.your-server.de | AS24940 | Hetzner Online GmbH | 176.9.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | frontend01.mailsafe.dk | 89.104.206.4 | recursor41.electric.net | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 176.9.122.142 |
| 🔶 Autoconfig | 176.9.122.142 |
| www | 176.9.122.142 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026093001 |
| 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 | ONE.COM A/S |
| Registered | 2002-01-10 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 10:59:24 | 900ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 09:04:02 shown | 1679ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 20:50:30 | 1346ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 09:46:26 | 4808ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 09:44:31 | 9038ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 23:27:23 | 2827ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:45:18 | 2579ms | 2 NS 1 A 1 MX | 🔒 Secure |