fi-reng.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 46.30.215.53 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 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.53 | 3600s | webcluster2.webpod15-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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10e:80af:c589:25c5:7324 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all |
| Policy | Record (fi-reng.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all |
| www | 46.30.215.53 2a02:2350:5:10e:80af:c589:25c5:7324 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network fi-reng.dk: 46.30.215.53 2a02:2350:5:10e:80af:c589:25c5:7324 (AS51468) www.fi-reng.dk: 46.30.215.53 2a02:2350:5:10e:80af:c589:25c5:7324 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100101 |
| 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 |
|---|---|---|---|
| 2026-10-09 14:01:26 shown | 445ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-02 04:05:31 | 490ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 03:52:24 | 756ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 02:48:32 | 637ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 06:14:56 | 1775ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-30 06:47:20 | 1318ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 18:14:00 | 9021ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 07:11:59 | 1816ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-31 10:25:47 | 995ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 16:39:34 | 768ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 16:25:48 | 1906ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 16:40:40 | 915ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 21:12:00 | 910ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 08:56:22 | 1031ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 18:35:32 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 03:31:31 | 1024ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:16:46 | 836ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:04:36 | 2951ms | 2 NS 1 A 4 MX | 🔒 Secure |