4525.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 46.30.213.17 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.17 | 3600s | webcluster1.webpod12-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:88:8953:e479:c0e9 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.17 2a02:2350:5:10a:88:8953:e479:c0e9 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 4525.dk: 46.30.213.17 2a02:2350:5:10a:88:8953:e479:c0e9 (AS51468) www.4525.dk: 46.30.213.17 2a02:2350:5:10a:88:8953:e479:c0e9 (AS51468) |
| 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.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101605 |
| 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 |
|---|---|---|---|
| 2026-10-17 05:53:32 shown | 1319ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-03 02:04:17 | 472ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 04:00:02 | 615ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 02:52:10 | 711ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 11:56:00 | 656ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 04:44:14 | 764ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 04:10:02 | 2091ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 13:23:17 | 971ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 10:41:27 | 1127ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-11 11:49:38 | 13771ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 13:03:24 | 2900ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 08:24:08 | 595ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 10:10:15 | 2872ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:51:44 | 1702ms | 2 NS 1 A 4 MX | 🔒 Secure |