fjnext.com - dns.ninja
fjnext.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 4.216.139.72🇯🇵 Microsoft4.208.0.0/12 MICROSOFT | ||||||
| PTR | fjgroup.co.jp | ||||||
| NS | ns01.pitserv.jp ⭐ | ||||||
| A | 13.71.140.116🇯🇵 Microsoft13.64.0.0/11 MICROSOFT | ||||||
| PTR | ns01.pitserv.jp | ||||||
| NS | ns02.pitserv.jp | ||||||
| A | 210.129.48.31🇯🇵 IDC210.129.48.0/20 Frontier Inc. | ||||||
| PTR | ns02.pitserv.jp | ||||||
| MX | mail.fjnext.com ⭐ | ||||||
| A | 203.136.16.194🇯🇵 BIGLOBE203.136.0.0/16 CIDR BLOCK 3,4 | ||||||
| TXT | v=spf1 +ip4:203.136.16.193 +ip4:203.136.16.194 +ip4:4.216.139.72 ~all | ||||||
| SOA | ns01.pitserv.jproot@pitserv.jp 2026-04-22 #1 | ||||||
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=1781666190 | ||||||
Subdomains
mail.fjnext.com |
Same first word
fjnext.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns01.pitserv.jp2015-06-01 → 2026-06-17 · 2 obs
● 2026-06-17 03:39:36
●NSns02.pitserv.jp2015-06-01 → 2026-06-17 · 2 obs
● 2026-06-17 03:39:36
●MXmail.fjnext.com2015-06-01 → 2026-06-17 · 2 obs
● 2026-06-17 03:39:36
○A210.151.132.912015-06-01 → 2017-01-16 · 4 obs
● 2017-01-16 13:33:18
○ 2026-02-22 06:52:10
○ 2026-06-17 03:39:36
●A4.216.139.722026-02-22 → 2026-06-17 · 3 obs
● 2026-02-22 06:52:10
● 2026-06-17 03:39:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net... | - |
| fjnext.com | ns01.pitserv.jp, ns02.pitserv.jp | - |
✅ Authoritative Response
Server:13.71.140.116
NS records: ns01.pitserv.jp, ns02.pitserv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fjnext.com (unsigned zone)
⏱️ Timing
Total: 1117ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 4.216.139.72 |
| NS | 2 | ns02.pitserv.jp, ns01.pitserv.jp |
| MX | 1 | mail.fjnext.com (pri: 10) |
| TXT | 1 | v=spf1 +ip4:203.136.16.193 +ip4:203.136. |
| SOA | 1 | ns01.pitserv.jp root.pitserv.jp |
Analysis
Hierarchy
mail.fjnext.com is a subdomain of fjnext.com.
IP Addresses
fjnext.com has exactly one IP address — 4.216.139.72.
fjnext-hd.co.jp, fjgroup.co.jp, fjnext-r.co.jp plus two other host names have IP numbers in common with fjnext.com.
Name Servers
fjnext.com has two authoritative name servers — ns01.pitserv.jp and ns02.pitserv.jp.
The name server configuration of fjnext.com is shared with other domains, for instance sophia-humanities.jp, mike-iwasaki.co.jp, juce.jp and two others.
The name servers of fjnext.com overlap at least partially with those of other domains — among them pitserv.jp, unite-i.co.jp, kenmin-kyosai.or.jp and two more.
These name servers commonly appear alongside the name servers ns.pitserv.jp and lns1.la-j.com.
Both ns01.pitserv.jp and ns02.pitserv.jp have a single IP address each — ns01.pitserv.jp resolves to 13.71.140.116 while ns02.pitserv.jp resolves to 210.129.48.31.
Mail Servers
fjnext.com uses one mail server — mail.fjnext.com.
mail.fjnext.com points to one IP number — 203.136.16.194.