b2a.jp - robtex.com
b2a.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.131.236.150🇯🇵 GMOOSK-NET210.131.236.0/24 GMO Internet Group, Inc. Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | sdbase-smtp01.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 | mx11.gmoserver.jp ⭐ | ||||||
| A | 210.131.236.153🇯🇵 GMOOSK-NET210.131.236.0/24 GMO Internet Group, Inc. Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx11.gmoserver.jp | ||||||
| TXT | v=spf1 include:spf11.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@b2a.jp 2013-11-15 #1 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1785131103 | ||||||
Same first word
b2a.ie |
b2a.ai |
b2a.biz |
b2a.cn |
b2a.cz |
b2a.ca |
b2a.kz |
b2a.jp |
b2a.ch |
b2a.me |
b2a.net |
b2a.ru |
b2a.org |
b2a.us |
b2a.de |
b2a.hk |
b2a.info |
b2a.online |
b2a.co |
b2a.it |
b2a.top |
b2a.eu |
b2a.be |
b2a.at |
b2a.com |
b2a.fr |
b2a.se |
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns01.gmoserver.jp2015-09-03 → 2026-07-27 · 2 obs
● 2026-07-27 06:53:40
●NSdns02.gmoserver.jp2015-09-03 → 2026-07-27 · 2 obs
● 2026-07-27 06:53:40
●MXmx11.gmoserver.jp2015-09-03 → 2026-07-27 · 2 obs
● 2026-07-27 06:53:40
○A157.7.156.1602015-09-03 → 2021-10-18 · 4 obs
● 2021-10-18 07:27:24
○ 2026-06-22 21:15:36
○ 2026-07-27 06:53:40
●A210.131.236.1502026-06-22 → 2026-07-27 · 3 obs
● 2026-06-22 21:15:36
● 2026-07-27 06:53:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, c.dns.jp, b.dns.jp, a.dns.jp... | - |
| b2a.jp | 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 b2a.jp (unsigned zone)
⏱️ Timing
Total: 1503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.131.236.150 |
| NS | 2 | dns01.gmoserver.jp, dns02.gmoserver.jp |
| MX | 1 | mx11.gmoserver.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf11.gmoserver.jp ~all |
| SOA | 1 | dns01.gmoserver.jp hostmaster.b2a.jp |
Analysis
IP Addresses
b2a.jp directs to one IP number, which is 210.131.236.150.
Among the host names that share IP numbers with b2a.jp are smartscape.co.jp, re-solutions.jp, kinasanoyu.com and two others.
Name Servers
b2a.jp has two authoritative name servers — dns01.gmoserver.jp and dns02.gmoserver.jp.
b2a.jp has the same name server delegation as a number of other domains, such as xn--cckbc6a1j2gxbn5dwe.com, togashidenki.co.jp, jyousei.co.jp and two more.
The name servers for b2a.jp overlap at least in part with those of other domains, including ufk.co.jp and enntame.com.
Both dns01.gmoserver.jp and dns02.gmoserver.jp have a single IP address each — dns01.gmoserver.jp resolves to 157.7.33.81 while dns02.gmoserver.jp resolves to 157.7.34.81.
Mail Servers
b2a.jp routes its mail through a single mail server, mx11.gmoserver.jp.
b2a.jp has the same mail server arrangement as a number of other domains, for example stos-design.com, style-hack.com, rer-f.com and two more.
b2a.jp shares at least some of its mail servers with other domains — for example emonos.co.jp, musubu-re.co.jp, adships.jp and two more.
These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.
mx11.gmoserver.jp points to one IP number — 210.131.236.153.