`sys4d.com`

DNSSEC	⚠️ Not signed
A	195.231.25.139^{🇮🇹 ARUBA-ASN195.231.0.0/19 Aruba S.p.A. Network}
		PTR	`host139-25-231-195.serverdedicati.aruba.it`
NS	`ns1.register.it` ⭐
		A	2a01:8100:2911::2:184:2^{🇮🇹 REGISTER-AS2a01:8100:2000::/36}
		A	81.88.61.2^{🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix}
			PTR	`host-81-88-61-2.dedicatedservers.it`
NS	`ns2.register.it`
		A	2a00:13b0:2::227:1^{🇬🇧 ISIONUK2a00:13b0::/32 Namesco Limited}
		A	195.7.227.1^{🇬🇧 ISIONUK195.7.224.0/19 ISION-UK}
			PTR	`ns2.register.it`
MX	`mail.register.it` ⭐
		A	195.110.124.132^{🇮🇹 REGISTER-AS195.110.124.0/22 Register.IT S.p.A. Internet Service Provider}
			PTR	`mail.register.it`
TXT	`v=spf1 include:spf.webapps.net include:_spf.digitalbusinessolution.com ~all`
SOA	`ns1.register.it`hostmaster@register.it 2025-12-02 #1

`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=1771291435

Same first word

sys4d.com

Similar names

4dsys.com

dsys4.gr

d4sys.com

DNS History

6 records (4 active, 2 former)

●NSns1.register.it2026-03-02 → 2026-03-16 · 3 obs

○ 2015-10-12 04:34:42
● 2026-03-02 05:31:22
● 2026-03-16 14:01:36

●NSns2.register.it2026-03-02 → 2026-03-16 · 3 obs

○ 2015-10-12 04:34:42
● 2026-03-02 05:31:22
● 2026-03-16 14:01:36

○NSns39.1und1.de2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 14:35:56
○ 2015-10-12 04:34:42
○ 2026-03-16 14:01:36

○NSns40.1und1.de2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 14:35:56
○ 2015-10-12 04:34:42
○ 2026-03-16 14:01:36

●MXmail.register.it2026-03-02 → 2026-03-16 · 2 obs

● 2026-03-02 05:31:22
● 2026-03-16 14:01:36

●A195.231.25.1392026-03-02 → 2026-03-16 · 2 obs

● 2026-03-02 05:31:22
● 2026-03-16 14:01:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sys4d.com	ns1.register.it, ns2.register.it	-

✅ Authoritative Response

Server: 195.7.227.1

NS records: ns1.register.it, ns2.register.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys4d.com (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.231.25.139`
NS	2	`ns2.register.it, ns1.register.it`
MX	1	`mail.register.it (pri: 10)`
TXT	1	`v=spf1 include:spf.webapps.net include:_`
SOA	1	`ns1.register.it hostmaster.register.it`

Analysis

IP Addresses

sys4d.com resolves to a single IP: 195.231.25.139.

Name Servers

sys4d.com has two name servers: ns1.register.it and ns2.register.it.

sys4d.com shares the same name server setup as other domains, for example sisomo.it, explorica.it, rbtservice.it, forisa.it and racw.org.

sys4d.com shares name servers with other domains to some extent, for example kanso.it and corpam.com.br.

Host names with two IP numbers:

ns1.register.it points to: 2a01:8100:2911::2:184:2 and 81.88.61.2; ns2.register.it points to: 2a00:13b0:2::227:1 and 195.7.227.1.

Mail Servers

sys4d.com is handled by a single mail server, mail.register.it.

sys4d.com shares the mail server setup with other domains, for example dgegovpa.it, progettolibra.it, gvascensori.eu, tecnutensil.it and min.bio.

sys4d.com shares some mail servers with other domains, at least partially, for instance trasferimenti.com, mantaecologica.it and giuliano-automotive.com.

Host name mail.register.it points to IP 195.110.124.132.

sys4d.com - robtex.com

sys4d.com

com