rstenb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.159 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 has no IPv6 address. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.240.159 | — | webcluster1.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| www | 195.47.247.18 (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.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 | 2026053101 |
| 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 | 2002-01-08 |
| Expires | 2027-03-31 (156d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 11:19:40 | 1345ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 02:42:14 | 633ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 07:41:43 | 633ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 19:31:26 | 2559ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 14:33:51 | 1469ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 13:23:40 | 912ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 06:51:32 | 6477ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 06:39:31 | 1129ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 04:36:31 | 1034ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 12:32:31 | 8177ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 06:04:47 | 667ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 12:18:51 shown | 680ms | 2 NS 1 A 4 MX | 🔒 Secure |