fcrfc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.100.14.43 is hosted by DKTV A/S (AS15516) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-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 |
|---|---|---|---|---|---|---|---|
| 91.100.14.43 | 3600s | 91.100.14.43.generic-hostname.arrownet.dk | AS15516 | DKTV A/S | 91.100.0.0/15 | 🇩🇰 Denmark | Frederiksberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| www | 91.100.14.43 (AS15516) (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.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2016-08-08 |
| Expires | 2027-08-31 (318d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 15:12:20 | 2671ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 14:41:13 shown | 1104ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 14:34:00 | 224ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 14:21:09 | 202ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 14:01:13 | 230ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-26 13:51:03 | 427ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-25 13:37:18 | 210ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-24 13:22:38 | 193ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 13:02:55 | 246ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-20 12:54:07 | 232ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-19 00:07:04 | 204ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-11 22:31:40 | 260ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-05 15:43:25 | 708ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 23:05:37 | 751ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 12:39:05 | 2524ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 06:57:37 | 677ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 15:51:29 | 2431ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 15:52:49 | 1188ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 13:14:45 | 1046ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 09:44:40 | 2798ms | 2 NS 1 A 4 MX | 🔒 Secure |