cs1.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
kia.ns.cloudflare.com	108.162.192.179 172.64.32.179 173.245.58.179 2606:4700:50::adf5:3ab3 2803:f800:50::6ca2:c0b3 2a06:98c1:50::ac40:20b3	kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com kia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
memphis.ns.cloudflare.com	108.162.195.189 162.159.44.189 172.64.35.189 2606:4700:58::a29f:2cbd 2803:f800:50::6ca2:c3bd 2a06:98c1:50::ac40:23bd	memphis.ns.cloudflare.com memphis.ns.cloudflare.com memphis.ns.cloudflare.com memphis.ns.cloudflare.com memphis.ns.cloudflare.com memphis.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.134.110	300s	mail.cscloud.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.cscloud.dk	89.150.134.110	mail.cscloud.dk	AS203953 Hiper A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	89.150.134.110
🔶 Autoconfig	89.150.134.110

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 73ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	mail.cscloud.dk

📝 TXT Records2 records 222ms

TXT Record
MS=ms40990452
v=spf1 ip4:89.150.134.110 -all

✉️ SPF

Policy	Record (cs1.dk)
-all (hard fail)	v=spf1 ip4:89.150.134.110 -all

📨 DMARC

Policy	Record (_dmarc.cs1.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@cs1.dk

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

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	2410557943
Primary NS (MNAME)	kia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

60ms

MX

35ms

AAAA

40ms

TXT

222ms

CAA

50ms

HTTPS

45ms

TLSA

91ms

SOA

0ms

MTA-STS

60ms

DNSSEC

97ms

SRV

73ms

Total

684ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:14:57	684ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 09:44:30	872ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 23:50:32	26587ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 22:08:14	9663ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 15:42:19	10086ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 20:35:42	1153ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 02:47:58	912ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:06:29	419ms	2 NS 1 A 1 MX	🔓 Insecure	View