b-r-f.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 84.19.174.119 is hosted by Keyweb AG (AS31103) in Germany. Mail is handled by mx3.pub.mailpod11-cph3.one.com, mx1.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 |
|---|---|---|---|---|---|---|---|
| 84.19.174.119 | 3600s | webserver.klub-modul.dk | AS31103 | Keyweb AG | 84.19.168.0/21 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 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 | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.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 |
| 10 | 10800s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| MS=ms10038055 |
| v=spf1 mx a a:mail2.klubmodul.dk include:_custspf.one.com -all |
| Policy | Record (b-r-f.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a a:mail2.klubmodul.dk include:_custspf.one.com -all |
| www | 84.19.174.119 (AS31103) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | vPT2eFcnpvfjVcdJSSvHqomt01Ikzymddi0TG383… |
| ZSK | ECDSA P-256/SHA-256 | 5Ex+W8ST5vNBJUBjWPVLbPkfTZZ49fEj+2wze4NY… |
| Field | Value |
|---|---|
| Serial | 2026080201 |
| 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 | 2001-02-28 |
| Expires | 2027-03-31 (155d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 04:17:07 | 649ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 04:12:34 | 651ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 13:00:21 | 634ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-22 06:55:52 | 2480ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-18 06:33:42 | 1314ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-04 04:03:27 | 1333ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-20 17:01:38 | 5110ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-16 11:44:24 shown | 13046ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 14:14:45 | 1050ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 10:01:43 | 7040ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 05:08:03 | 977ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 12:37:00 | 9413ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:57:13 | 860ms | 2 NS 1 A 4 MX | 🔒 Secure |