cfo.dk

📜 Historical scan 2026-09-23 20:03:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	kandns06.digitalarchives.com ns1.netnames.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns2.ascio.net nusdns06.digitalarchives.com	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

2 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
165.160.13.20	21600s	—	AS19574	Corporation Service Company	165.160.12.0/22	🇺🇸 United States	—
165.160.15.20	21600s	—	AS19574	Corporation Service Company	165.160.12.0/22	🇺🇸 United States	—

📧 MX Records#

2 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	relay1.netnames.net	185.26.230.83	relay1.netnames.net	—
100	21600s	relay2.netnames.net	185.26.230.89	relay2.netnames.net	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 239ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (cfo.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

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

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 01:07:32

www	165.160.13.20 165.160.15.20 (AS19574) (address records, no CNAME)
www vs bare domain	Same network cfo.dk: 165.160.13.20 165.160.15.20 (AS19574) www.cfo.dk: 165.160.13.20 165.160.15.20 (AS19574)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

75ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

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

📋 Registration#

WHOIS fetched 2026-09-30 19:45:06

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2000-11-28
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

57ms

56ms

AAAA

55ms

TXT

239ms

CAA

49ms

HTTPS

53ms

TLSA

72ms

SOA

0ms

MTA-STS

68ms

DNSSEC

75ms

SRV

72ms

Total

599ms

🕐 Scan History#

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 shown	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	500ms	2 NS 2 A 2 MX	🔓 Insecure