ys-server.com - robtex.com
ys-server.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.172.21.139🇯🇵 SONYTELECOM210.172.0.0/19 Sony Biz Networks Corporation | ||||||
| PTR | 210-172-21-139.cust.bit-drive.ne.jp | ||||||
| NS | ys-server.com ⭐ | ||||||
| A | 210.172.21.139🇯🇵 SONYTELECOM210.172.0.0/19 Sony Biz Networks Corporation | ||||||
| PTR | 210-172-21-139.cust.bit-drive.ne.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| SOA | ys-server.compostmaster@ys-server.com serial=1774426665 | ||||||
com
| 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=1774761362 | ||||||
NS for
ys-server.com |
Same first word
ys-server.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns01.muumuu-domain.com2015-07-21 → 2026-03-29 · 2 obs
● 2026-03-29 05:46:18
●NSdns02.muumuu-domain.com2015-07-21 → 2026-03-29 · 2 obs
● 2026-03-29 05:46:18
●NSys-server.com2015-07-21 → 2026-03-29 · 2 obs
● 2026-03-29 05:46:18
●A210.172.21.1392015-07-21 → 2026-03-29 · 2 obs
● 2026-03-29 05:46:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| ys-server.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ Authoritative Response
Server:160.251.249.62
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ys-server.com (unsigned zone)
⏱️ Timing
Total: 417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.172.21.139 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| SOA | 1 | ys-server.com postmaster.ys-server.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
Name Server Role
ys-server.com acts as the name server for ys-server.com.
dns01.muumuu-domain.com and dns02.muumuu-domain.com are commonly used as name servers along with ys-server.com.
IP Addresses
ys-server.com points to a single IP number: 210.172.21.139.
Other host names, for instance 210-172-21-139.cust.bit-drive.ne.jp, share IP numbers with ys-server.com.
Name Servers
ys-server.com delegates to three name servers: ys-server.com, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
ys-server.com shares name servers with other domains at least partially, for instance b-soccer.jp, freedom-f.com, krone-kamakura.com, bebright.co.jp and mochpit.com.
Host names with a single IP number:
ys-server.com points to 210.172.21.139.
dns01.muumuu-domain.com points to 202.239.23.39.
dns02.muumuu-domain.com points to 160.251.249.62.