🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`systemstruct.com`

DNSSEC	⚠️ Not signed
A	162.43.117.65^{🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.}
		PTR	`sv13224.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`systemstruct.com` ⭐
		A	162.43.117.65^{🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.}
			PTR	`sv13224.xserver.jp`
TXT	`v=spf1 +a:sv13224.xserver.jp +a:systemstruct.com +mx include:spf.sender.xserv...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1788810033

MX for

systemstruct.com

Same first word

systemstruct.com

Similar names

structsystem.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.xserver.jp2026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

●NSns2.xserver.jp2026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

●NSns3.xserver.jp2026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

●NSns4.xserver.jp2026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

●NSns5.xserver.jp2026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

●MXsystemstruct.com2026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

●A162.43.117.652026-09-05 → 2026-09-07 · 2 obs

● 2026-09-05 18:28:28
● 2026-09-07 20:10:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
systemstruct.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:183.90.224.226

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemstruct.com (unsigned zone)

⏱️ Timing

Total: 1016ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.117.65`
NS	5	`ns2.xserver.jp, ns3.xserver.jp...`
MX	1	`systemstruct.com (pri: 0)`
TXT	1	`v=spf1 +a:sv13224.xserver.jp +a:systemst`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

systemstruct.com handles its own mail, functioning as its own mail server.

IP Addresses

systemstruct.com resolves to just one IP address, 162.43.117.65.

Two other host names, along with kokoroni-cafe.jp, certo-fc.com and houei-foodservice.co.jp, also share IP numbers with systemstruct.com.

Name Servers

systemstruct.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

systemstruct.com has at least partial name server overlap with other domains, such as tamako-heart.com, makers-kp.jp, takaoka-konbu.net and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

systemstruct.com is served by just one mail server: systemstruct.com.

systemstruct.com has exactly one IP number: 162.43.117.65.

systemstruct.com - robtex.com