fjcert.com - robtex.com
fjcert.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.web.ad.jp ⭐ | ||||||
| A | 202.248.2.201🇯🇵 INFOWEB202.248.0.0/16 InfoWeb | ||||||
| PTR | ns.web.ad.jp | ||||||
| NS | ns01.fjcert.com | ||||||
| A | 202.248.5.37🇯🇵 INFOWEB202.248.0.0/16 InfoWeb | ||||||
| PTR | ns01.outs.web.ad.jp | ||||||
| NS | ns03.fjcert.com | ||||||
| A | 202.248.5.5🇯🇵 INFOWEB202.248.0.0/16 InfoWeb | ||||||
| PTR | ns03.outs.web.ad.jp | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns.web.ad.jpns-admin@web.ad.jp 2024-02-26 #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=1786611174 | ||||||
Subdomains
Same first word
fjcert.com |
Similar names
DNS History
4 records (3 active, 1 former)
●NSns01.fjcert.com2015-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 09:04:48
●NSns03.fjcert.com2015-08-11 → 2026-08-13 · 2 obs
● 2026-08-13 09:04:48
○MXmail.fjcert.com2015-08-11 → 2016-01-05 · 4 obs
● 2016-01-05 20:33:30
○ 2016-02-24 12:38:28
○ 2026-08-13 09:04:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net... | - |
| fjcert.com | ns01.fjcert.com, ns03.fjcert.com | 2 records |
✅ Authoritative Response
Server:202.248.5.5
NS records: ns01.fjcert.com, ns03.fjcert.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fjcert.com (unsigned zone)
⏱️ Timing
Total: 445ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns03.fjcert.com, ns01.fjcert.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns.web.ad.jp ns-admin.web.ad.jp |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns01.fjcert.com, ns03.fjcert.com)
Analysis
Hierarchy
ns01.fjcert.com and ns03.fjcert.com each fall under fjcert.com as their parent domain.
Name Servers
fjcert.com carries NS records delegating to ns01.fjcert.com, ns03.fjcert.com and ns.web.ad.jp.
fjcert.com shares at least some of its name servers with other domains, including ja-kyosai.or.jp, yagoyasan.com, 34.248.202.in-addr.arpa and two others.
These name servers are frequently seen alongside ns.center.web.ad.jp, ns01.outs.web.ad.jp, ns03.outs.web.ad.jp and 7 other name servers.
ns01.fjcert.com points to 202.248.5.37; ns03.fjcert.com points to 202.248.5.5; ns.web.ad.jp points to 202.248.2.201 — each hostname maps to exactly one IP address.