firstbrain.net - robtex.com
firstbrain.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.91.11.218🇯🇵 CPI-NET194.91.0.0/16 KDDI Web Communications Inc. | ||||||
| PTR | cxubb218.secure.ne.jp | ||||||
| NS | ns4.cpi.ad.jp ⭐ | ||||||
| A | 122.200.253.232🇯🇵 CPI-NET122.200.224.0/19 | ||||||
| PTR | ns4.cpi.ad.jp | ||||||
| NS | ns5.cpi.ad.jp | ||||||
| A | 122.200.212.132🇯🇵 CPI-NET122.200.192.0/19 | ||||||
| PTR | ns5.cpi.ad.jp | ||||||
| MX | vlmx-air.secure.ne.jp ⭐ | ||||||
| A | 111.96.116.216🇯🇵 KDDI111.96.0.0/16 | ||||||
| A | 111.96.117.216🇯🇵 KDDI111.96.0.0/16 | ||||||
| TXT | v=spf1 include:spf2.secure.ne.jp -all | ||||||
| SOA | ns4.cpi.ad.jphostmaster@cpi.ad.jp 2024-03-25 #1 | ||||||
net
| 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=1774580302 | ||||||
Same first word
firstbrain.net |
firstbrain.jp |
firstbrain.co.jp |
Similar names
DNS History
10 records (4 active, 6 former)
○MXs115.secure.ne.jp2007-09-18 → 2007-09-18 · 3 obs
○ 2015-04-25 17:06:46
○ 2026-03-27 03:18:22
●MXvlmx-air.secure.ne.jp2026-03-21 → 2026-03-27 · 3 obs
● 2026-03-21 04:05:40
● 2026-03-27 03:18:22
○MXvlmx20.secure.ne.jp2015-04-25 → 2017-08-15 · 5 obs
● 2015-04-25 17:06:46
● 2017-08-15 19:15:06
○ 2026-03-21 04:05:40
○ 2026-03-27 03:18:22
○MXvlmx21.secure.ne.jp2015-04-25 → 2017-08-15 · 5 obs
● 2015-04-25 17:06:46
● 2017-08-15 19:15:06
○ 2026-03-21 04:05:40
○ 2026-03-27 03:18:22
○MXvlmx22.secure.ne.jp2015-04-25 → 2017-08-15 · 5 obs
● 2015-04-25 17:06:46
● 2017-08-15 19:15:06
○ 2026-03-21 04:05:40
○ 2026-03-27 03:18:22
●A194.91.11.2182026-03-21 → 2026-03-27 · 3 obs
● 2026-03-21 04:05:40
● 2026-03-27 03:18:22
○A202.164.235.362015-04-25 → 2017-08-15 · 5 obs
● 2015-04-25 17:06:46
● 2017-08-15 19:15:06
○ 2026-03-21 04:05:40
○ 2026-03-27 03:18:22
○A211.9.198.1982007-09-18 → 2007-09-18 · 3 obs
○ 2015-04-25 17:06:46
○ 2026-03-27 03:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | f.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| firstbrain.net | ns4.cpi.ad.jp, ns5.cpi.ad.jp | - |
✅ Authoritative Response
Server:122.200.212.132
NS records: ns4.cpi.ad.jp, ns5.cpi.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstbrain.net (unsigned zone)
⏱️ Timing
Total: 1095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.91.11.218 |
| NS | 2 | ns4.cpi.ad.jp, ns5.cpi.ad.jp |
| MX | 1 | vlmx-air.secure.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf2.secure.ne.jp -all |
| SOA | 1 | ns4.cpi.ad.jp hostmaster.cpi.ad.jp |
Analysis
IP Addresses
firstbrain.net points to a single IP number: 194.91.11.218.
Other host names, for instance cxubb218.secure.ne.jp, share IP numbers with firstbrain.net.
Name Servers
Delegation for firstbrain.net rests with two name servers, ns4.cpi.ad.jp and ns5.cpi.ad.jp.
firstbrain.net shares the same name server setup as other domains, including nadex.co.jp, kaona.jp, ex-exis.co.jp, outboundcall.jp and au-toyama.com.
firstbrain.net at least partially shares name servers with other domains, for instance 85.60.150.in-addr.arpa, 126.133.202.in-addr.arpa, 213.199.158.in-addr.arpa, 0.146.115.in-addr.arpa and 166.60.150.in-addr.arpa.
These name servers are commonly used with ns0.cpi.ad.jp, ns1.cpi.ad.jp, ns2.cpi.ad.jp, ns3.cpi.ad.jp, ns6.cpi.ad.jp, ns7.cpi.ad.jp and cpi.ad.jp.
Host names with one IP number: ns4.cpi.ad.jp points to 122.200.253.232; ns5.cpi.ad.jp points to 122.200.212.132.
Mail Servers
firstbrain.net is handled by a single mail server, vlmx-air.secure.ne.jp.
firstbrain.net uses the same mail server configuration as other domains, such as kyuhodo.co.jp, ykc.jp, alpina.jp, kdaishin.com and daimonji-honpo.com.
firstbrain.net shares some mail servers with other domains at least partially, for example tmri.co.jp.
these mail servers are often used with ms53499145.msv1.invalid and tmri-co-jp.mail.protection.outlook.com.
vlmx-air.secure.ne.jp resolves to two IP numbers: 111.96.116.216 and 111.96.117.216.