sysness.com - dns.ninja

`sysness.com`

DNSSEC	⚠️ Not signed
A	157.112.183.91^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		PTR	`sv5250.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	`sysness.com` ⭐
		A	157.112.183.91^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
			PTR	`sv5250.xserver.jp`
TXT	`google-site-verification=G-PLl37bBEiFfMuFyCEBhJ8eIGvc(0x463450)IF6XR8sfjEgs`
TXT	`v=spf1 +a:sv5250.xserver.jp +a:sysness.com +mx include:spf.sender.xserver.jp ...`
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=1784730797

MX for

sysness.com

Same first word

sysness.com

Similar names

senssys.com

DNS History

13 records (7 active, 6 former)

○NS01.dnsv.jp2015-08-15 → 2017-11-14 · 5 obs

○ 2008-03-18 04:08:18
● 2015-08-15 05:58:56
● 2017-11-14 20:16:54
○ 2026-06-29 19:44:28
○ 2026-07-22 14:42:02

○NS02.dnsv.jp2015-08-15 → 2017-11-14 · 5 obs

○ 2008-03-18 04:08:18
● 2015-08-15 05:58:56
● 2017-11-14 20:16:54
○ 2026-06-29 19:44:28
○ 2026-07-22 14:42:02

○NS03.dnsv.jp2015-08-15 → 2017-11-14 · 5 obs

○ 2008-03-18 04:08:18
● 2015-08-15 05:58:56
● 2017-11-14 20:16:54
○ 2026-06-29 19:44:28
○ 2026-07-22 14:42:02

○NS04.dnsv.jp2015-08-15 → 2017-11-14 · 5 obs

○ 2008-03-18 04:08:18
● 2015-08-15 05:58:56
● 2017-11-14 20:16:54
○ 2026-06-29 19:44:28
○ 2026-07-22 14:42:02

●NSns1.xserver.jp2026-06-29 → 2026-07-22 · 3 obs

○ 2017-11-14 20:16:54
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

●NSns2.xserver.jp2026-06-29 → 2026-07-22 · 3 obs

○ 2017-11-14 20:16:54
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

●NSns3.xserver.jp2026-06-29 → 2026-07-22 · 3 obs

○ 2017-11-14 20:16:54
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

●NSns4.xserver.jp2026-06-29 → 2026-07-22 · 3 obs

○ 2017-11-14 20:16:54
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

●NSns5.xserver.jp2026-06-29 → 2026-07-22 · 3 obs

○ 2017-11-14 20:16:54
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

○MXb80cc70214004190b8bc7c614a9656.pamx1.hotmail.com2015-08-15 → 2017-11-14 · 5 obs

○ 2008-03-18 04:08:18
● 2015-08-15 05:58:56
● 2017-11-14 20:16:54
○ 2026-06-29 19:44:28
○ 2026-07-22 14:42:02

●MXsysness.com2026-06-29 → 2026-07-22 · 3 obs

○ 2017-11-14 20:16:54
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

●A157.112.183.912026-06-29 → 2026-07-22 · 3 obs

○ 2015-08-15 05:58:56
● 2026-06-29 19:44:28
● 2026-07-22 14:42:02

○A208.73.212.122008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 04:08:18
○ 2015-08-15 05:58:56
○ 2026-07-22 14:42:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
sysness.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:157.112.182.218

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 sysness.com (unsigned zone)

⏱️ Timing

Total: 1045ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.183.91`
NS	5	`ns2.xserver.jp, ns3.xserver.jp...`
MX	1	`sysness.com (pri: 20)`
TXT	2	`v=spf1 +a:sv5250.xserver.jp +a:sysness.c, google-site-verification=G-PLl37bBEiFfMu`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

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

IP Addresses

sysness.com resolves to just one IP address, 157.112.183.91.

Two other host names, along with training-diet.net, dtmer.info and hostmaster.nexeed.net, also share IP numbers with sysness.com.

Name Servers

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

sysness.com has at least partial name server overlap with other domains, such as ootsuka-group.co.jp, npo-komaki.net, unist.co.jp and two others.

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

Hostnames that map to three IP numbers:

ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

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

sysness.com resolves to a single IP number: 157.112.183.91.