cslsystem.com - dns.ninja

`cslsystem.com`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2006::7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.173^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.hu` ⭐ ⚠️ Not in parent delegation
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns1.websupport.sk` ⚠️ Not in zone NS records
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.hu` ⚠️ Not in parent delegation
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns2.websupport.sk` ⚠️ Not in zone NS records
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.hu` ⚠️ Not in parent delegation
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
NS	`ns3.websupport.sk` ⚠️ Not in zone NS records
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.cslsystem.com` ⭐
		A	37.9.169.112^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o.}
			PTR	`mail-proxymxphy-6.websupport.sk`
MX	`mailin2.cslsystem.com`⁽¹⁰⁰⁾
		A	37.9.169.110^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o.}
			PTR	`mail-proxymxphy-8.websupport.sk`
TXT	`v=spf1 a mx include:_spf.websupport.sk ?all`
TXT	`spf2.0/pra a mx include:_sid.websupport.sk ?all`
SOA	`ns1.websupport.hu`admin@websupport.hu serial=1683648654

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785288072

Subdomains

mailin1.cslsystem.com

mailin2.cslsystem.com

Same first word

cslsystem.com

Similar names

DNS History

14 records (10 active, 4 former)

○NSns03.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs

● 2017-09-28 13:58:16
○ 2026-02-22 10:40:30
○ 2026-07-29 01:48:58

○NSns04.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs

● 2017-09-28 13:58:16
○ 2026-02-22 10:40:30
○ 2026-07-29 01:48:58

●NSns1.websupport.hu2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●NSns1.websupport.sk2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●NSns2.websupport.hu2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●NSns2.websupport.sk2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●NSns3.websupport.hu2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●NSns3.websupport.sk2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

○MXcslsystem-com.mail.protection.outlook.com2017-09-28 → 2017-09-28 · 3 obs

● 2017-09-28 13:58:16
○ 2026-02-22 10:40:30
○ 2026-07-29 01:48:58

●MXmailin1.cslsystem.com2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●MXmailin2.cslsystem.com2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

○A13.65.39.1652017-09-28 → 2017-09-28 · 3 obs

● 2017-09-28 13:58:16
○ 2026-02-22 10:40:30
○ 2026-07-29 01:48:58

●A2a00:4b40:aaaa:2006::72026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

●A37.9.175.1732026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-28 13:58:16
● 2026-02-22 10:40:30
● 2026-07-29 01:48:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
cslsystem.com	ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cslsystem.com (unsigned zone)

⏱️ Timing

Total: 561ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.173`
AAAA	1	`2a00:4b40:aaaa:2006::7`
NS	3	`ns1.websupport.hu, ns2.websupport.hu...`
MX	2	`mailin1.cslsystem.com (pri: 10), mailin2.cslsystem.com (pri: 100)`
TXT	2	`v=spf1 a mx include:_spf.websupport.sk ?, spf2.0/pra a mx include:_sid.websupport.`
SOA	1	`ns1.websupport.hu admin.websupport.hu`

Analysis

Hierarchy

The parent domain of mailin1.cslsystem.com and mailin2.cslsystem.com is cslsystem.com.

IP Addresses

cslsystem.com points to the IP addresses 37.9.175.173 and 2a00:4b40:aaaa:2006::7

Among the host names that share IP numbers with cslsystem.com are nyelv.info, automagic.hu, www.17.hu and two others.

Name Servers

cslsystem.com carries NS records listing 6 name servers — ns1.websupport.hu, ns2.websupport.hu, ns3.websupport.hu and 3 others.

The name servers of cslsystem.com overlap at least partially with those of other domains — among them e-autoservis.com, danielbanic.com, unknownfiction.com and two more.

These name servers commonly appear in delegations together with ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk and 3 other.

Hosts with two IP numbers each:

The A records for ns1.websupport.hu return 45.10.97.11 and 2a10:bbc0::11.

The A records for ns2.websupport.hu return 185.71.159.12 and 2a02:250:3::12.

The A records for ns3.websupport.hu return 45.10.97.13 and 2a10:bbc0::13.

The A records for ns1.websupport.sk return 45.10.97.11 and 2a10:bbc0::11.

The A records for ns2.websupport.sk return 185.71.159.12 and 2a02:250:3::12.

The A records for ns3.websupport.sk return 45.10.97.13 and 2a10:bbc0::13.

ns1.websupport.hu and ns1.websupport.sk each have 2a10:bbc0::11 IP addresses.

ns1.websupport.hu and ns1.websupport.sk each have 45.10.97.11 IP addresses.

ns2.websupport.hu and ns2.websupport.sk each have 2a02:250:3::12 IP addresses.

ns2.websupport.hu and ns2.websupport.sk each have 185.71.159.12 IP addresses.

ns3.websupport.hu and ns3.websupport.sk each have 2a10:bbc0::13 IP addresses.

ns3.websupport.hu and ns3.websupport.sk each have 45.10.97.13 IP addresses.

Mail Servers

The MX records for cslsystem.com point to two mail servers: mailin1.cslsystem.com and mailin2.cslsystem.com.

Both mailin1.cslsystem.com and mailin2.cslsystem.com have a single IP address each — mailin1.cslsystem.com resolves to 37.9.169.112 while mailin2.cslsystem.com resolves to 37.9.169.110.