cow.dk DNS records

🖥️ Nameservers6 records 151ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.he.net	2001:470:100::2 216.218.130.2	ns1.he.net ns1.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns2.he.net	2001:470:200::2 216.218.131.2	ns2.he.net ns2.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns3.he.net	2001:470:300::2 216.218.132.2	ns3.he.net ns3.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns4.he.net	2001:470:400::2 216.66.1.2	ns4.he.net ns4.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
ns5.he.net	2001:470:500::2 216.66.80.18	ns5.he.net ns5.he.net	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC
s2.cow.dk	2001:470:1f0b:10f1::30:1 80.86.85.53	cow.dk s2.netcompartner.com	AS6939 Hurricane Electric LLC AS29066 velia.net Internetdienste GmbH

🌍 A Records1 records 165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.86.85.53	38400s	s2.netcompartner.com	AS29066	velia.net Internetdienste GmbH	80.86.84.0/22	🇫🇷 France	Strasbourg

📧 MX Records1 records 182ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	38400s	mail.cow.dk	80.86.85.53	s2.netcompartner.com	AS29066 velia.net Internetdienste GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	80.86.85.53
🔶 Autoconfig	80.86.85.53

🔷 AAAA Records (IPv6)1 records 195ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:470:1f0b:10f1::30:1	38400s	cow.dk	AS6939	Hurricane Electric LLC	2001:470:1000:0:0:0:0:0/36	🇲🇾 Malaysia	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 300ms

Service	Priority	Weight	Port	Target
_xmpp-client._tcp	5	0	5222	s1.cow.dk
_xmpp-server._tcp	5	0	5269	s1.cow.dk

📝 TXT Records2 records 743ms

TXT Record
google-site-verification=jQbsWFcEWxMdFydhBT3MbgHCq4W9bwRLGGQM98nshos
v=spf1 a mx ptr ip4:80.86.85.53 ip6:2001:470:1f0a:10f2::/64 ~all

✉️ SPF

Policy	Record (cow.dk)
~all (soft fail)	v=spf1 a mx ptr ip4:80.86.85.53 ip6:2001:470:1f0a:10f2::/64 ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records1 records 152ms

Flags	Tag	Value
0	issuewild	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC440ms

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

🏷️ SOA0ms

Field	Value
Serial	2022014382
Primary NS (MNAME)	s2.cow.dk
Responsible (RNAME)	hostmaster@cow.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

151ms

A

165ms

MX

182ms

AAAA

195ms

TXT

743ms

CAA

152ms

HTTPS

150ms

TLSA

178ms

SOA

0ms

MTA-STS

231ms

DNSSEC

440ms

SRV

300ms

Total

4713ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 04:21:20	4713ms	6 NS 1 A 1 MX	🔓 Insecure	View
2026-06-30 08:18:06	1205ms	6 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 18:27:02	2930ms	6 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 22:35:03	918ms	6 NS 1 A 1 MX	🔓 Insecure	View