u-so.net - robtex.com
u-so.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.181.99.89🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www369.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-so.net ⭐ | ||||||
| A | 202.181.99.89🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www369.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2005-02-16 #20 | ||||||
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=1774386177 | ||||||
MX for
u-so.net |
Previously MX for
www.u-so.net |
Subdomains
www.u-so.net |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSmaster.dns.ne.jp2015-07-16 → 2026-03-24 · 3 obs
● 2015-07-16 19:10:44
● 2026-03-24 21:10:50
●MXu-so.net2007-09-24 → 2026-03-24 · 2 obs
● 2026-03-24 21:10:50
●A202.181.99.892007-09-24 → 2026-03-24 · 2 obs
● 2026-03-24 21:10:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| u-so.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-so.net (unsigned zone)
⏱️ Timing
Total: 500ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.181.99.89 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | u-so.net (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
u-so.net is the parent of www.u-so.net.
Mail Server Role
u-so.net serves as the mail server for u-so.net.
IP Addresses
u-so.net points to IP number 202.181.99.89.
For instance, other host names htcc.jp, ecology.sakura.ne.jp, ohnoiin.sakura.ne.jp, odawara-yamato.com and heart12.sakura.ne.jp share IP numbers with u-so.net.
Name Servers
The delegation for u-so.net is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
u-so.net shares name servers with other domains at least partially, for example tfcorp.co.jp, cgsjapan.sakura.ne.jp, csw.sakura.ne.jp, coo-space.sakura.ne.jp and marumon.sakura.ne.jp.
These name servers are commonly used with dns.sakura.ad.jp.
Host names with a single IP address: 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
u-so.net is handled by a single mail server, u-so.net.
u-so.net points to a single IP: 202.181.99.89.