ferrca.dk is a .dk domain served by 3 nameservers (ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.104.30.178 is hosted by Stichting DIGI NL (AS206281) in The Netherlands. Mail is handled by spamrelay.zxcs.nl. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 185.104.30.178 | 600s | vps9871.zxcs.nl | AS206281 | Stichting DIGI NL | 185.104.28.0/22 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | spamrelay.zxcs.nl | 185.104.28.12 2a06:2ec0:1::ffec |
spamrelay.zxcs.nl spamrelay.zxcs.nl |
AS206281 Stichting DIGI NL AS206281 Stichting DIGI NL |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a06:2ec0:ded1:1:0:14:5374:1 | 600s | vps9871.zxcs.nl | AS206281 | Stichting DIGI NL | 2a06:2ec0:0:0:0:0:0:0/32 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 a mx ip4:185.104.29.134 ip6:2a06:2ec0:1:0:0:0:0:149 include:filter-out.zxcs.nl ~all |
| Policy | Record (ferrca.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:185.104.29.134 ip6:2a06:2ec0:1:0:0:0:0:149 include:filter-out.zxcs.nl ~all |
| Policy | Record (_dmarc.ferrca.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; |
| www | 185.104.30.178 2a06:2ec0:ded1:1:0:14:5374:1 (AS206281) (address records, no CNAME) |
| www vs bare domain | Same network ferrca.dk: 185.104.30.178 2a06:2ec0:ded1:1:0:14:5374:1 (AS206281) www.ferrca.dk: 185.104.30.178 2a06:2ec0:ded1:1:0:14:5374:1 (AS206281) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-EE · SPKI · SHA-256 | 6D714328138B75C5845E6E154F40B899… |
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-TA · SPKI · SHA-256 | E1AE9C3DE848ECE1BA72E0D991AE4D0D… |
| HTTPS _443._tcp.ferrca.dk | DANE-EE · Full cert · SHA-256 | DE16174D923BFBB182E6BD1F612D66EE… |
| 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 | 2024101003 |
| Primary NS (MNAME) | ns.zxcs.nl |
| Responsible (RNAME) | hostmaster@ferrca.dk |
| Refresh | 600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-21 13:11:26 shown | 9791ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 09:15:53 | 6968ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:41:36 | 11991ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 09:40:46 | 7014ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 04:02:50 | 1392ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 19:04:49 | 1905ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 14:03:53 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:40:27 | 2265ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:00:10 | 1806ms | 3 NS 1 A 1 MX | 🔓 Insecure |