357.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 46.30.215.190 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.190 | — | webcluster2.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:80f2:71e3:a801:577f | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com -all |
| Policy | Record (357.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| www | 46.30.215.190 2a02:2350:5:106:80f2:71e3:a801:577f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 357.dk: 46.30.215.190 2a02:2350:5:106:80f2:71e3:a801:577f (AS51468) www.357.dk: 46.30.215.190 2a02:2350:5:106:80f2:71e3:a801:577f (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061501 |
| 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 |
|---|---|---|---|
| 2026-10-16 02:33:26 | 1407ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-09 11:05:34 | 480ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-14 20:00:07 | 1394ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-15 18:21:25 | 3144ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-07 08:03:11 | 9192ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 23:16:04 | 1018ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-15 01:52:47 | 983ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 16:51:32 | 2614ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 21:08:29 | 752ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 08:43:56 | 932ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 12:39:59 shown | 976ms | 2 NS 1 A 4 MX | 🔒 Secure |