4sun.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.160 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.160 | 3600s | webcluster2.webpod17-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.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.215.160 |
| 🔶 Autoconfig | 46.30.215.160 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:8007:c77e:53f6:fa4a | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.175 2a02:2350:5:106:807c:fef1:1263:45 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 4sun.dk: 46.30.215.175 2a02:2350:5:106:807c:fef1:1263:45 (AS51468) www.4sun.dk: 46.30.215.175 2a02:2350:5:106:807c:fef1:1263:45 (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.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | D91CB8AC124CB360F986182813BDF3FD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062001 |
| 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 | 2010-09-08 |
| Expires | 2027-09-30 (345d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 12:38:56 | 1253ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-17 10:43:07 | 747ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-14 06:09:22 | 1404ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 19:47:25 | 590ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-25 01:15:20 | 2494ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 23:42:00 | 809ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 06:38:21 | 1130ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 01:03:24 | 5050ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 00:30:00 | 994ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-10 21:39:42 | 4277ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 00:14:15 | 870ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 13:40:58 shown | 1398ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 19:32:08 | 1434ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 22:05:56 | 949ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 01:02:19 | 1104ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 12:47:03 | 1007ms | 2 NS 1 A 4 MX | 🔒 Secure |