`mx4.vos-systems.com`

DNSSEC	⚠️ Not signed
A	172.105.197.174^{🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies}
		PTR	`kuroneko.2chan.jp`

`vos-systems.com`

	DNSSEC	⚠️ Not signed
	A	151.236.24.112^{🇮🇸 ThorDC-AS151.236.24.0/24 EDIS}
	NS	`ns1.vos-systems.com` ⭐
	NS	`ns2.vos-systems.com`
	NS	`ns3.vos-systems.com`
	NS	`ns4.vos-systems.com`
	MX	`mx1.vos-systems.net` ⭐
	MX	`mx2.vos-systems.net`⁽¹⁰⁾
	MX	`mx3.vos-systems.net`⁽¹⁵⁾
	MX	`mx4.vos-systems.net`⁽²⁰⁾
	TXT	`5773fe0a19abd8c3d2c3a566762a701f12c7c00ec89aab49e213ae1f59988a41`
	TXT	`v=spf1 ip4:100.64.0.0/10 ip4:37.235.53.215 ip4:151.236.24.112 ip4:158.255.208...`
	SOA	`ns1.vos-systems.com`hostmaster@vos-systems.com 2026-04-20 #48

🔒 HSTS Preload (+subdomains)

Previously MX for

vos-systems.com

Same first word

mx4.com

mx4.de

mx4.uni5.net

mx4.pl

mx4.dk

mx4.vg

mx4.ca

mx4.fr

mx4.cn

mx4.org

mx4.kinghost.net

mx4.net

mx4.fitness

mx4.ru

mx4.in-berlin.de

mx4.gov.ru

mx4.cloudaccess.net

mx4.gouv.ci

mx4.biz

mx4.ch

mx4.pb.gov.br

mx4.me

mx4.info

Similar names

4mx.de

m4x.co.uk

m4x.us

m4x.org

4mx.at

4mx.net

xm4.ru

m4x.pl

xm4.com

4xm.ca

m4x.cn

m4x.biz

4xm.cn

m4x.nl

xm4.net

m4x.at

4xm.com

m4x.de

m4x.fr

m4x.fun

m4x.co

m4x.co.at

x4m.eu

m4x.ru

x4m.net

x4m.com

xm4.online

4xm.nl

x4m.de

4xm.de

4xm.dk

m4x.im

m4x.eu

m4x.info

m4x.dk

4xm.cc

x4m.ru

x4m.co

m4x.ca

4xm.eu

4xm.pl

m4x.com

4xm.net

4xm.biz

m4x.net

xm4.de

x4m.it

4mx.com

4mx.it

4mx.se

4xm.be

x4m.cn

x4m.org

DNS History

3 records (1 active, 2 former)

○A106.185.27.512015-07-10 → 2016-07-12 · 4 obs

● 2015-07-10 05:36:12
● 2016-07-12 05:35:46
○ 2026-04-04 19:30:28
○ 2026-05-11 23:43:52

●A172.105.197.1742026-04-04 → 2026-05-11 · 3 obs

○ 2016-07-12 05:35:46
● 2026-04-04 19:30:28
● 2026-05-11 23:43:52

○A67.103.159.1412015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 05:36:12
○ 2026-04-04 19:30:28
○ 2026-05-11 23:43:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
vos-systems.com	ns1.vos-systems.com, ns4.vos-systems.com, ns3.vos-systems.com, ns2.vos-systems.com	4 records

✅ Authoritative Response

Server:158.255.208.94

NS records: ns1.vos-systems.com, ns4.vos-systems.com, ns3.vos-systems.com, ns2.vos-systems.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 731ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.105.197.174`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.vos-systems.com, ns4.vos-systems.com, ns3.vos-systems.com...)

Analysis

IP Addresses

mx4.vos-systems.com points to a single IP number: 172.105.197.174.

other host names for instance ns4.yerf.eu, ns4.xn--ehqw04eq6e.jp, ns4.vos-systems.es, ns4.2chan.jp and mx4.vos-systems.es share IP numbers with mx4.vos-systems.com.

mx4.vos-systems.com - robtex.com