f-brain.com - robtex.com
f-brain.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.229.82🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www.gmoserver.jp | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| A | 157.7.33.81🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns01.gmoserver.jp | ||||||
| NS | dns02.gmoserver.jp | ||||||
| A | 157.7.34.81🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns02.gmoserver.jp | ||||||
| MX | mx.f-brain.com ⭐ | ||||||
| A | 160.251.229.95🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx-09.gmoserver.jp | ||||||
| TXT | v=spf1 include:spf.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@f-brain.com 2016-07-29 #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=1775115812 | ||||||
Subdomains
mx.f-brain.com |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns01.gmoserver.jp2015-07-18 → 2026-04-02 · 2 obs
● 2026-04-02 07:49:24
●NSdns02.gmoserver.jp2015-07-18 → 2026-04-02 · 2 obs
● 2026-04-02 07:49:24
●MXmx.f-brain.com2015-07-18 → 2026-04-02 · 2 obs
● 2026-04-02 07:49:24
○A157.7.144.52015-07-18 → 2017-12-09 · 4 obs
● 2017-12-09 12:10:42
○ 2026-03-31 14:22:34
○ 2026-04-02 07:49:24
●A160.251.229.822026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:22:34
● 2026-04-02 07:49:24
🔍 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-brain.com | dns01.gmoserver.jp, dns02.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.33.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f-brain.com (unsigned zone)
⏱️ Timing
Total: 1036ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.229.82 |
| NS | 2 | dns01.gmoserver.jp, dns02.gmoserver.jp |
| MX | 1 | mx.f-brain.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.gmoserver.jp ~all |
| SOA | 1 | dns01.gmoserver.jp hostmaster.f-brain.co |
Analysis
Hierarchy
The parent of mx.f-brain.com is f-brain.com.
IP Addresses
f-brain.com points to an IP address: 160.251.229.82.
other host names include xn--world-ff8io6w.jp, kamiya.jp, www.digib.net, www.creation-n.co.jp and tact-com.jp; they share IP numbers with f-brain.com.
Name Servers
Two name servers dns01.gmoserver.jp and dns02.gmoserver.jp handle the delegation for f-brain.com.
f-brain.com shares the same name server setup as other domains, for instance sogi.be, hlpr.co.jp, kyodai-create.co.jp, tomit.jp and eco-green.biz.
f-brain.com at least partially shares name servers with other domains, such as nanohana-fudousan.com, kashimadai-tochi.com and grounor.com.
Host names with one IP:
dns01.gmoserver.jp points to: 157.7.33.81
dns02.gmoserver.jp points to: 157.7.34.81
Mail Servers
f-brain.com is handled by a single mail server, mx.f-brain.com.
The host name mx.f-brain.com points to IP 160.251.229.95.