cxz.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was registered on 4 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.3.9 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.itsup.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 87.104.3.9 | 3600s | 87.104.3.9.static.fibianet.dk | AS44869 | FIBIA P/S | 87.104.0.0/18 | 🇩🇰 Denmark | Sakskøbing |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 14400s | mail.itsup.dk | 87.104.3.9 | 87.104.3.9.static.fibianet.dk | AS44869 FIBIA P/S |
| TXT Record |
|---|
| v=spf1 mx a:mail.itsup.dk -all |
| Policy | Record (cxz.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail.itsup.dk -all |
| Policy | Record (_dmarc.cxz.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:admin@itsup.dk; ruf=mailto:admin@itsup.dk; adkim=s; aspf=s |
| www | 87.104.3.9 (AS44869) (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 |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~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: 2/10 · 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 | 0 |
| Primary NS (MNAME) | ns1.digitalocean.com |
| Responsible (RNAME) | hostmaster@cxz.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2009-02-04 |
| Expires | 2027-02-28 (130d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:39:18 | 751ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 23:59:24 | 717ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 01:34:16 | 794ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 04:07:56 | 849ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 05:04:07 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 22:43:19 | 737ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 05:56:00 | 615ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 06:22:11 | 958ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 08:57:20 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:40:52 shown | 1110ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:27:49 | 456ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:21:11 | 2498ms | 3 NS 1 A 1 MX | 🔓 Insecure |