1st-software.com - dns.ninja
1st-software.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.231.113🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv332.xbiz.ne.jp | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| A | 157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | ns1.xbiz.ne.jp | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| A | 35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | 1st-software.com ⭐ | ||||||
| A | 183.90.231.113🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv332.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv332.xbiz.ne.jp +a:1st-software.com +mx include:spf.sender.xserver... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.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.netnstld@verisign-grs.com serial=1781574485 | ||||||
MX for
1st-software.com |
Same first word
1st-software.com |
1st-software.co.uk |
DNS History
11 records (5 active, 6 former)
●NSns1.xbiz.ne.jp2026-04-13 → 2026-06-16 · 3 obs
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
●NSns2.xbiz.ne.jp2026-04-13 → 2026-06-16 · 3 obs
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
●NSns3.xbiz.ne.jp2026-04-13 → 2026-06-16 · 3 obs
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
○NSns4.cpi.ad.jp2015-06-26 → 2020-02-04 · 4 obs
● 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
● 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
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
○MXvlmx20.secure.ne.jp2015-06-26 → 2020-02-04 · 4 obs
● 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
● 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
● 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
● 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
● 2026-04-13 03:43:52
● 2026-06-16 02:17:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 1st-software.com | ns1.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.231.113 |
| NS | 3 | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp... |
| MX | 1 | 1st-software.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv332.xbiz.ne.jp +a:1st-softwa |
| SOA | 1 | ns1.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.