fsyspay.dk is a .dk domain served by 2 nameservers (brenna.ns.cloudflare.com, tanner.ns.cloudflare.com). It was registered on 15 August 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.0.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by taylor.mxrouting.net, taylor-relay.mxrouting.net. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.0.106 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.185.193 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | taylor.mxrouting.net | 168.119.13.219 | taylor.mxrouting.net | AS24940 Hetzner Online GmbH |
| 20 | 300s | taylor-relay.mxrouting.net | 168.119.13.219 | taylor.mxrouting.net | AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.0.106 |
| 🔶 Autoconfig | 188.114.96.9 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b9c1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:6a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.0.106,172.67.185.193 ech=AEX+DQBBxQAgACDyYg1i/e0zUqcV9OWielLTCYkxwkA9aXhsLt+HvVibBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b9c1,2606:4700:3032::6815:6a |
| TXT Record |
|---|
| v=spf1 include:mxlogin.com -all |
| Policy | Record (fsyspay.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mxlogin.com -all |
| Policy | Record (_dmarc.fsyspay.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:sysadm@fsyspay.dk; ruf=mailto:sysadm@fsyspay.dk; fo=1; |
| www | 185.158.133.1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406342605 |
| Primary NS (MNAME) | brenna.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-08-15 |
| Expires | 2027-08-14 (291d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 15:24:36 | 726ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-04 04:58:36 | 424ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 04:29:27 | 384ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-23 11:13:34 | 424ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-05 10:24:44 | 436ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-28 04:04:21 | 548ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-16 22:03:10 | 2417ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-02 08:47:13 | 1259ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 22:53:29 shown | 1192ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 19:32:21 | 2866ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 19:16:10 | 3173ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:33:08 | 1234ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:30:15 | 1172ms | 2 NS 2 A 2 MX | 🔓 Insecure |