jamuinc.com - robtex.com
jamuinc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.5.178.85🇯🇵 WHOSNEXT103.5.176.0/22 PACNET (proxy-registered route object) | ||||||
| PTR | sv103x5x178x85.who-s-next.com | ||||||
| NS | ns1.jamuinc.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 103.5.178.85🇯🇵 WHOSNEXT103.5.176.0/22 PACNET (proxy-registered route object) | ||||||
| PTR | sv103x5x178x85.who-s-next.com | ||||||
| NS | ns2.jamuinc.com ⚠️ Not in parent delegation | ||||||
| A | 103.5.178.85🇯🇵 WHOSNEXT103.5.176.0/22 PACNET (proxy-registered route object) | ||||||
| PTR | sv103x5x178x85.who-s-next.com | ||||||
| NS | sv02.next-server.jp ⚠️ Not in zone NS records | ||||||
| A | 103.5.178.20🇯🇵 WHOSNEXT103.5.176.0/22 PACNET (proxy-registered route object) | ||||||
| PTR | sv02.next-server.jp | ||||||
| MX | mail.jamuinc.com ⭐ | ||||||
| A | 103.5.178.85🇯🇵 WHOSNEXT103.5.176.0/22 PACNET (proxy-registered route object) | ||||||
| PTR | sv103x5x178x85.who-s-next.com | ||||||
| TXT | v=spf1 +a +mx +a:sv02.next-server.jp -all | ||||||
| TXT | v=spf1 +ip4:103.5.177.20/24 -all | ||||||
| SOA | ns1.jamuinc.comsupport@who-s-next.com 2026-02-19 #2 | ||||||
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=1776047547 | ||||||
Subdomains
Same first word
jamuinc.com |
Similar names
DNS History
7 records (5 active, 2 former)
○NSns.jamuinc.com2015-06-12 → 2017-04-03 · 4 obs
● 2017-04-03 20:04:46
○ 2026-03-15 10:48:10
○ 2026-04-13 02:40:20
●NSns1.jamuinc.com2026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 10:48:10
● 2026-04-13 02:40:20
●NSns2.jamuinc.com2026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 10:48:10
● 2026-04-13 02:40:20
●NSsv02.next-server.jp2026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 10:48:10
● 2026-04-13 02:40:20
●MXmail.jamuinc.com2015-06-12 → 2026-04-13 · 2 obs
● 2026-04-13 02:40:20
○A103.5.177.482015-06-12 → 2017-04-03 · 4 obs
● 2017-04-03 20:04:46
○ 2026-03-15 10:48:10
○ 2026-04-13 02:40:20
●A103.5.178.852026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 10:48:10
● 2026-04-13 02:40:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| jamuinc.com | sv02.next-server.jp | - |
✅ Authoritative Response
Server:103.5.178.20
NS records: sv02.next-server.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jamuinc.com (unsigned zone)
⏱️ Timing
Total: 1187ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.5.178.85 |
| NS | 2 | ns2.jamuinc.com, ns1.jamuinc.com |
| MX | 1 | mail.jamuinc.com (pri: 10) |
| TXT | 2 | v=spf1 +a +mx +a:sv02.next-server.jp -al, v=spf1 +ip4:103.5.177.20/24 -all |
| SOA | 1 | ns1.jamuinc.com support.who-s-next.com |
Analysis
Hierarchy
The parent of mail.jamuinc.com, ns1.jamuinc.com and ns2.jamuinc.com is jamuinc.com.
IP Addresses
jamuinc.com points to an IP address: 103.5.178.85.
other host names, for instance ns2.jamuinc.com, sv103x5x178x85.who-s-next.com, mail.jamuinc.com and ns1.jamuinc.com share IP numbers with jamuinc.com.
Name Servers
jamuinc.com is delegated to three name servers ns1.jamuinc.com, ns2.jamuinc.com and sv02.next-server.jp.
jamuinc.com at least partially shares name servers with other domains, for instance phmc.jp, mof-shop.jp, meihofukushikai.com, komatsu-suisan.co.jp and ordbus.com.
these name servers are commonly used with ns1.phmc.jp, ns2.phmc.jp, ns1.mof-shop.jp, ns2.mof-shop.jp, ns1.meihofukushikai.com, ns2.meihofukushikai.com, ns1.komatsu-suisan.co.jp, ns2.komatsu-suisan.co.jp, ns1.ordbus.com and ns2.ordbus.com.
Host names with a single IP:
ns1.jamuinc.com points to: 103.5.178.85
ns2.jamuinc.com points to: 103.5.178.85
sv02.next-server.jp points to: 103.5.178.20
Names pointing to 103.5.178.85: ns1.jamuinc.com, ns2.jamuinc.com
Mail Servers
jamuinc.com is handled by a single mail server, mail.jamuinc.com.
The host name mail.jamuinc.com points to IP 103.5.178.85.