cs1.dk

📜 Historical scan 2026-09-20 18:46:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cs1.dk is a .dk domain served by 2 nameservers (kia.ns.cloudflare.com, memphis.ns.cloudflare.com). It was registered on 24 June 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.134.110 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.cscloud.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.

🖥️ Nameservers#

2 records 71ms

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 Records#

1 records 52ms

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	Copenhagen

📧 MX Records#

1 records 55ms

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 Records#

1 records 95ms

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

📝 TXT Records#

2 records 236ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 13:37:16

www	89.150.134.110 (AS203953) (address records, no CNAME)
www vs bare domain	Same network cs1.dk: 89.150.134.110 (AS203953) www.cs1.dk: 89.150.134.110 (AS203953)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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.

🔎 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#

158ms

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	2415091299
Primary NS (MNAME)	kia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 03:07:51

Field	Value
Registrar	Simply.com A/S
Registered	2017-06-24
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

71ms

52ms

55ms

AAAA

53ms

TXT

236ms

CAA

58ms

HTTPS

54ms

TLSA

579ms

SOA

0ms

MTA-STS

107ms

DNSSEC

158ms

SRV

95ms

Total

1529ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:37:16	999ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 18:18:39	562ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 18:46:04 shown	1529ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-07 19:38:35	10387ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-06 16:10:38	3200ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 04:12:21	586ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 14:14:57	684ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 09:44:30	872ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-18 23:50:32	26587ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 22:08:14	9663ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-20 15:42:19	10086ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 20:35:42	1153ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 02:47:58	912ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 23:06:29	419ms	2 NS 1 A 1 MX	🔓 Insecure