2by2.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 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | dk.mx1.mailanyone.net | 192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd |
mx41.electric.net mx11.electric.net |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 3600s | dk.mx2.mx25.net | 192.162.219.49 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| Policy | Record (_dmarc.2by2.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:e67605f3@mxtoolbox.dmarc-report.com; ruf=mailto:e67605f3@forensics.dmarc-report.com; fo=1 |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092701 |
| 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 |
|---|---|---|---|
| 2026-09-28 07:53:59 shown | 703ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 04:10:36 | 879ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 00:22:19 | 1018ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 22:26:23 | 527ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 11:07:08 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 08:49:34 | 534ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 23:30:14 | 1140ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:39:41 | 766ms | 2 NS 1 A 2 MX | 🔒 Secure |