fbfwpbck.dk is a .dk domain served by 3 nameservers (x.ns.joker.com, y.ns.joker.com, z.ns.joker.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 84.238.109.19 is hosted by Bolignet-aarhus F.m.b.a. (AS33796) in Denmark. Mail is handled by mail1.fbfwpbck.dk, mail2.fbfwpbck.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 84.238.109.19 | 86400s | 84-238-109-19.ptr.bnaa.dk | AS33796 | Bolignet-aarhus F.m.b.a. | 84.238.0.0/17 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail1.fbfwpbck.dk | 84.238.109.19 | 84-238-109-19.ptr.bnaa.dk | AS33796 Bolignet-aarhus F.m.b.a. |
| 20 | 86400s | mail2.fbfwpbck.dk | 84.238.109.19 | 84-238-109-19.ptr.bnaa.dk | AS33796 Bolignet-aarhus F.m.b.a. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.floyd.dk → 84.238.109.19 |
| 🔶 Autoconfig | autoconfig.floyd.dk → 84.238.109.19 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.floyd.dk |
| TXT Record |
|---|
| google-site-verification=senqSZKVyZ3Ib-SgeFboTWeYnRBXg-VG00dYxEpUKTM |
| v=spf1 ip4:87.116.5.111 ip4:87.116.5.110 ip4:87.72.83.168 ip4:84.238.102.136 ip4:51.15.126.13 ip6:2001:bc8:1640:2c6c:dc00:ff:fe35:a4b5 -all |
| Policy | Record (fbfwpbck.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.116.5.111 ip4:87.116.5.110 ip4:87.72.83.168 ip4:84.238.102.136 ip4:51.15.126.13 ip6:2001:bc8:1640:2c6c:dc00:ff:fe35:a4b5 -all |
| Policy | Record (_dmarc.fbfwpbck.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:DMARC@floyd.dk; ruf=mailto:DMARC@floyd.dk |
| www | 84.238.109.19 (AS33796) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 16-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024102630 |
| Primary NS (MNAME) | x.ns.joker.com |
| Responsible (RNAME) | hostmaster@joker.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 02:01:43 shown | 804ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 11:24:57 | 11260ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 00:30:17 | 1169ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:37:14 | 1021ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:33:11 | 1816ms | 3 NS 1 A 2 MX | 🔒 Secure |