alfa-1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.15 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.pub.mailpod13-cph3.one.com, mx2.pub.mailpod13-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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.15 | 3600s | linux346.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod13-cph3.one.com | 185.10.9.42 | mx1.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod13-cph3.one.com | 185.10.9.43 | mx2.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod13-cph3.one.com | 185.10.9.44 | mx3.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod13-cph3.one.com | 185.10.9.45 | mx4.pub.mailpod13-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.20.205.15 |
| 🔶 Autoconfig | 185.20.205.15 |
| www | 185.20.205.15 (AS48854) (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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com | DANE-EE · SPKI · SHA-256 | BE8C554E6A2A9BFE9F87080F0AE71BAD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 13:46:23 shown | 1405ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 22:33:42 | 773ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-21 11:48:05 | 2796ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 16:31:52 | 1665ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 16:13:09 | 684ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 15:22:36 | 961ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 19:28:54 | 1015ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-19 10:11:24 | 5028ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 19:00:45 | 4429ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-17 17:31:30 | 6763ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 20:33:17 | 1634ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 08:11:53 | 836ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 07:48:50 | 1165ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 02:45:56 | 880ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:49:48 | 2022ms | 2 NS 1 A 4 MX | 🔒 Secure |