1st-software.com - dns.ninja

1st-software.com

DNSSEC⚠️ Not signed
A183.90.231.113🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv332.xbiz.ne.jp
NSns1.xbiz.ne.jp
A157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
PTRns1.xbiz.ne.jp
NSns2.xbiz.ne.jp
A35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xbiz.ne.jp
NSns3.xbiz.ne.jp
A157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc.
PTRns3.xbiz.ne.jp
MX1st-software.com
A183.90.231.113🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv332.xbiz.ne.jp
TXTv=spf1 +a:sv332.xbiz.ne.jp +a:1st-software.com +mx include:spf.sender.xserver...
SOAns1.xbiz.ne.jproot@xbiz.ne.jp serial=0

com

MX for

Same first word

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSns1.xbiz.ne.jpns2.xbiz.ne.jpns3.xbiz.ne.jpns4.cpi.ad.jpns5.cpi.ad.jpMX1st-software.comvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA183.90.231.113117.20.107.100
NSns1.xbiz.ne.jp2026-04-13 → 2026-06-16 · 3 obs
○ 2020-02-04 02:51:40
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
NSns2.xbiz.ne.jp2026-04-13 → 2026-06-16 · 3 obs
○ 2020-02-04 02:51:40
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
NSns3.xbiz.ne.jp2026-04-13 → 2026-06-16 · 3 obs
○ 2020-02-04 02:51:40
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
NSns4.cpi.ad.jp2015-06-26 → 2020-02-04 · 4 obs
● 2015-06-26 22:38:08
● 2020-02-04 02:51:40
○ 2026-04-13 03:43:52
○ 2026-06-16 02:17:28
NSns5.cpi.ad.jp2015-06-26 → 2020-02-04 · 4 obs
● 2015-06-26 22:38:08
● 2020-02-04 02:51:40
○ 2026-04-13 03:43:52
○ 2026-06-16 02:17:28
MX1st-software.com2026-04-13 → 2026-06-16 · 3 obs
○ 2020-02-04 02:51:40
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
MXvlmx20.secure.ne.jp2015-06-26 → 2020-02-04 · 4 obs
● 2015-06-26 22:38:08
● 2020-02-04 02:51:40
○ 2026-04-13 03:43:52
○ 2026-06-16 02:17:28
MXvlmx21.secure.ne.jp2015-06-26 → 2020-02-04 · 4 obs
● 2015-06-26 22:38:08
● 2020-02-04 02:51:40
○ 2026-04-13 03:43:52
○ 2026-06-16 02:17:28
MXvlmx22.secure.ne.jp2015-06-26 → 2020-02-04 · 4 obs
● 2015-06-26 22:38:08
● 2020-02-04 02:51:40
○ 2026-04-13 03:43:52
○ 2026-06-16 02:17:28
A117.20.107.1002015-06-26 → 2020-02-04 · 4 obs
● 2015-06-26 22:38:08
● 2020-02-04 02:51:40
○ 2026-04-13 03:43:52
○ 2026-06-16 02:17:28
A183.90.231.1132026-04-13 → 2026-06-16 · 3 obs
○ 2020-02-04 02:51:40
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
1st-software.comns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp-

✅ Authoritative Response

Server:157.112.182.247

NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1st-software.com (unsigned zone)

⏱️ Timing

Total: 1381ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.231.113
NS3ns1.xbiz.ne.jp, ns2.xbiz.ne.jp...
MX11st-software.com (pri: 0)
TXT1v=spf1 +a:sv332.xbiz.ne.jp +a:1st-softwa
SOA1ns1.xbiz.ne.jp root.xbiz.ne.jp

Analysis

Mail Server Role

1st-software.com acts as its own mail server.

IP Addresses

1st-software.com points to a single IP number: 183.90.231.113.

Additional host names — sv332.xbiz.ne.jp, yagyukiso.co.jp, www.chikushida.org and two others — share IP numbers with 1st-software.com.

Name Servers

1st-software.com is served by three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.

1st-software.com shares at least some of its name servers with other domains, including niwayu.com, guardner.jp, suehirok.co.jp and two others.

ns1.xbiz.ne.jp has IP address 157.112.182.247, ns2.xbiz.ne.jp has IP address 35.76.79.244 and ns3.xbiz.ne.jp has IP address 157.112.191.237 — one address each.

Mail Servers

1st-software.com has a single mail server: 1st-software.com itself.

1st-software.com resolves to 183.90.231.113 and no other IP number.