sgroup.co.jp - robtex.com

sgroup.co.jp

DNSSEC⚠️ Not signed
A183.90.240.16🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2215.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXsgroup.co.jp ⭐
A183.90.240.16🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2215.xserver.jp
TXTv=spf1 +a:sv2215.xserver.jp +a:sgroup.co.jp +mx include:spf.sender.xserver.jp...
SOAns1.xserver.jproot@sv0.xserver.jp serial=0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

sgroup.co.jp

Same first word

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gosupr.net
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DNS History

7 records (7 active, 0 former)

201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXsgroup.co.jpA183.90.240.16
●NSns1.xserver.jp2017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54
●NSns2.xserver.jp2017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54
●NSns3.xserver.jp2017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54
●NSns4.xserver.jp2017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54
●NSns5.xserver.jp2017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54
●MXsgroup.co.jp2017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54
●A183.90.240.162017-10-25 → 2026-04-14 · 2 obs
● 2017-10-25 18:58:16
● 2026-04-14 15:39:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
sgroup.co.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.164

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 sgroup.co.jp (unsigned zone)

⏱️ Timing

Total: 998ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.240.16
NS5ns5.xserver.jp, ns2.xserver.jp...
MX1sgroup.co.jp (pri: 0)
TXT1v=spf1 +a:sv2215.xserver.jp +a:sgroup.co
SOA1ns1.xserver.jp root.sv0.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

sgroup.co.jp serves as the mail server for sgroup.co.jp.

IP Addresses

sgroup.co.jp points to an IP address: 183.90.240.16.

other host names include www.crystal-bridge.com, ox-consulting.jp, butisugo.net, evaluto.co.jp and miyazato-project.com; they share IP numbers with sgroup.co.jp.

Name Servers

sgroup.co.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

sgroup.co.jp at least partially shares name servers with other domains, for instance alps-sakai-shika.com, kikoe.net, gev.jp, csimai.com and bokunoatamanonaka.com.

Names with 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.

Names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

sgroup.co.jp is handled by a single mail server.

The host name sgroup.co.jp points to IP 183.90.240.16.