b-crew.co.jp - robtex.com
b-crew.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.245.148.19🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| MX | b-crew.co.jp ⭐ | ||||||
| A | 119.245.148.19🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:119.245.148.2/32 +ip4:119.245.148.19/32 +ip4... | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1676363017 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
b-crew.co.jp |
Same first word
Similar names
bc-rwe.de |
wb-rec.com |
web-cr.com |
rc-web.at |
cr-web.net |
bwc-re.com |
cr-web.workers.dev |
rc-web.com |
rc-web.co.uk |
rc-web.info |
rc-web.de |
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-08-28 → 2026-07-22 · 2 obs
● 2026-07-22 12:30:06
●NSns4.sphere.ad.jp2015-08-28 → 2026-07-22 · 2 obs
● 2026-07-22 12:30:06
●MXb-crew.co.jp2015-08-28 → 2026-07-22 · 2 obs
● 2026-07-22 12:30:06
●A119.245.148.192015-08-28 → 2026-07-22 · 2 obs
● 2026-07-22 12:30:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| b-crew.co.jp | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.22
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b-crew.co.jp (unsigned zone)
⏱️ Timing
Total: 1601ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.245.148.19 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | b-crew.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:119.245 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
b-crew.co.jp is listed as a mail server for itself.
IP Addresses
b-crew.co.jp resolves to one IP address: 119.245.148.19.
Name Servers
b-crew.co.jp has two authoritative name servers — ns3.sphere.ad.jp and ns4.sphere.ad.jp.
b-crew.co.jp uses the same name servers as several other domains — among them tr12.pro.arena.ne.jp, axia-j.com, saintwomen.com and two more.
b-crew.co.jp shares at least some of its name servers with other domains, such as tru.jp and sukeneko.info.
ns3.sphere.ad.jp and ns4.sphere.ad.jp each resolve to one IP number: ns3.sphere.ad.jp points to 202.239.113.22 and ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
Mail for b-crew.co.jp is handled by one mail server — b-crew.co.jp.
b-crew.co.jp points to one IP number — 119.245.148.19.