cyso.dk

📜 Historical scan 2026-08-26 02:36:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cyso.dk is a .dk domain served by 2 nameservers (ns1.sqr.nl, ns2.sqr.domains). It was registered on 28 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.46.140.12 is hosted by Cyso Group B.V. (AS25151) in The Netherlands. Mail is handled by shibaoshan.cyso.net, mail.cyso.nl and 2 more. The zone is not DNSSEC-signed, has no 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sqr.nl	109.235.73.236 2a01:518:ffff:4020::53:3	ns1.dns.sqr.cyso.net ns1.dns.sqr.cyso.net	AS25151 Cyso Group B.V. AS25151 Cyso Group B.V.
ns2.sqr.domains	2a01:518:ffff:4020::53:4 93.94.227.166	ns2.dns.sqr.cyso.net ns2.dns.sqr.cyso.net	AS25151 Cyso Group B.V. AS25151 Cyso Group B.V.

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.46.140.12	3600s	redirect2-sqr.cyso.net	AS25151	Cyso Group B.V.	37.46.136.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

4 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	900s	shibaoshan.cyso.net	217.170.2.236	free.cyso.net	—
10	900s	mail.cyso.nl	85.158.200.96	free.cyso.net	AS25151 Cyso Group B.V.
20	900s	mx1.cyso.net	85.158.200.78	mx1.cyso.net	AS25151 Cyso Group B.V.
30	900s	mx2.cyso.net	85.158.202.246	free.cyso.net	AS25151 Cyso Group B.V.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-04 18:53:46

www	Address record (no CNAME)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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	2023050400
Primary NS (MNAME)	ns1.sqr.nl
Responsible (RNAME)	hostmaster@cyso.dk
Refresh	16384s
Retry	2048s
Expire	1048576s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 07:00:44

Field	Value
Registrar	Realtime Register B.V.
Registered	2004-08-28
Expires	2027-08-31 (318d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

56ms

63ms

59ms

AAAA

55ms

TXT

247ms

CAA

68ms

HTTPS

53ms

TLSA

401ms

SOA

0ms

MTA-STS

92ms

DNSSEC

92ms

SRV

87ms

Total

1918ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-12 07:56:16	3186ms	2 NS 1 A 4 MX	🔓 Insecure
2026-08-26 02:36:32 shown	1918ms	2 NS 1 A 4 MX	🔓 Insecure
2026-07-21 22:30:06	17801ms	2 NS 1 A 4 MX	🔓 Insecure
2026-07-02 00:10:23	1899ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-16 23:42:21	1986ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-16 23:30:49	1762ms	2 NS 1 A 4 MX	🔓 Insecure