f-staff.com - robtex.com
f-staff.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.125.253.21🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE | ||||||
| PTR | f-staff.com | ||||||
| NS | ns4.mcnet.ad.jp ⭐ | ||||||
| A | 210.172.36.182🇯🇵 MCNET210.172.32.0/19 | ||||||
| NS | ns5.mcnet.ad.jp | ||||||
| A | 210.172.36.198🇯🇵 MCNET210.172.32.0/19 | ||||||
| MX | mail.f-staff.com ⭐ | ||||||
| A | 143.125.253.21🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE | ||||||
| PTR | f-staff.com | ||||||
| TXT | v=spf1 include:f-staff.com.spf.hosting-pf.net ~all | ||||||
| SOA | ns4.mcnet.ad.jppostmaster@mcnet.ad.jp 2015-01-21 #3 | ||||||
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=1776132117 | ||||||
PTR for
Subdomains
mail.f-staff.com |
Same first word
f-staff.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns4.mcnet.ad.jp2015-08-15 → 2026-04-14 · 2 obs
● 2026-04-14 02:12:44
●NSns5.mcnet.ad.jp2015-08-15 → 2026-04-14 · 2 obs
● 2026-04-14 02:12:44
●MXmail.f-staff.com2015-08-15 → 2026-04-14 · 2 obs
● 2026-04-14 02:12:44
●A143.125.253.212026-02-16 → 2026-04-14 · 3 obs
● 2026-02-16 04:56:44
● 2026-04-14 02:12:44
○A203.211.174.2452015-08-15 → 2017-04-20 · 4 obs
● 2017-04-20 07:31:52
○ 2026-02-16 04:56:44
○ 2026-04-14 02:12:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| f-staff.com | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp | - |
✅ Authoritative Response
Server:210.172.36.198
NS records: ns4.mcnet.ad.jp, ns5.mcnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f-staff.com (unsigned zone)
⏱️ Timing
Total: 1104ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.125.253.21 |
| NS | 2 | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp |
| MX | 1 | mail.f-staff.com (pri: 10) |
| TXT | 1 | v=spf1 include:f-staff.com.spf.hosting-p |
| SOA | 1 | ns4.mcnet.ad.jp postmaster.mcnet.ad.jp |
Analysis
Hierarchy
The parent of mail.f-staff.com is f-staff.com.
IP Addresses
f-staff.com points to a single IP address: 143.125.253.21.
Other host names, for instance mail.f-staff.com, share IP numbers with f-staff.com.
Name Servers
Two name servers ns4.mcnet.ad.jp and ns5.mcnet.ad.jp handle the delegation for f-staff.com.
f-staff.com shares the same name server setup as other domains, for example kabu-kowa.co.jp, itkonwakai.jp, ctseed.com, kyuutou.com and rio-hp-project.com.
Host names with one IP number:
ns4.mcnet.ad.jp points to 210.172.36.182; ns5.mcnet.ad.jp points to 210.172.36.198.
Mail Servers
The mail.f-staff.com mail server handles f-staff.com.
mail.f-staff.com points to a single IP number: 143.125.253.21.