u-bc.net - robtex.com
u-bc.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.128.164🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www924.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | u-bc.net ⭐ | ||||||
| A | 219.94.128.164🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www924.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www924.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-01-31 #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=1771291465 | ||||||
MX for
u-bc.net |
Subdomains
www.u-bc.net |
Same first word
Similar names
c-bu.com |
u-cb.com |
uc-b.com |
c-bu.de |
uc-b.blogspot.pt |
uc-b.blogspot.com |
ub-c.net |
c-ub.com |
uc-b.co.jp |
cu-b.com |
bu-c.eu |
bc-u.de |
DNS History
5 records (5 active, 0 former)
●MXu-bc.net2015-08-20 → 2026-03-20 · 2 obs
● 2026-03-20 20:56:08
●A219.94.128.1642015-08-20 → 2026-03-20 · 2 obs
● 2026-03-20 20:56:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | k.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net... | - |
| u-bc.net | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server: 61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u-bc.net (unsigned zone)
⏱️ Timing
Total: 1201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.128.164 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | u-bc.net (pri: 10) |
| TXT | 1 | v=spf1 a:www924.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
The parent of www.u-bc.net is u-bc.net.
Mail Server Role
u-bc.net serves as the mail server for u-bc.net.
IP Addresses
u-bc.net points to a single IP number: 219.94.128.164.
Other host names, for instance www924.sakura.ne.jp, revoroot.co.jp, web-ix.com, marre.jp and luxurearth.com share IP numbers with u-bc.net.
Name Servers
The domain u-bc.net is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
u-bc.net shares name servers with other domains at least partially, for instance 1000ya.isis.ne.jp, choseian.com, cloth-net.com, office-tant-mieux.com and kyoushingiken.co.jp.
Host names with a single IP number:
master.dns.ne.jp points to 210.224.172.18.
ns1.dns.ne.jp points to 61.211.236.1.
ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
A single mail server handles u-bc.net and u-bc.net.
Host name u-bc.net resolves to IP 219.94.128.164.