cfo.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 28 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 165.160.13.20 is hosted by Corporation Service Company (AS19574) in United States. Mail is handled by relay1.netnames.net, relay2.netnames.net. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns1.cscdns.net | — | — | — |
| dns2.cscdns.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 165.160.13.20 | — | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| 165.160.15.20 | — | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | relay1.netnames.net | 185.26.230.83 | relay1.netnames.net | — |
| 100 | — | relay2.netnames.net | 185.26.230.89 | relay2.netnames.net | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (cfo.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.cfo.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;adkim=s;aspf=s;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www | 165.160.13.20 165.160.15.20 (AS19574) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · 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 | 2018081905 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2000-11-28 |
| Expires | 2026-12-31 (71d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 01:07:32 | 582ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 19:08:07 | 874ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-29 18:55:26 | 559ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 20:03:34 | 599ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 09:28:22 | 7478ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:10:25 shown | 500ms | 2 NS 2 A 2 MX | 🔓 Insecure |