s-20.com - robtex.com
s-20.com
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=1786014024 | ||||||
MX for
s-20.com |
Subdomains
hostmaster.s-20.com |
Same first word
s-20.com |
Similar names
DNS History
10 records (7 active, 3 former)
○NSdns0.heteml.jp2015-06-20 → 2017-05-16 · 4 obs
● 2017-05-16 22:13:54
○ 2026-05-19 09:43:04
○ 2026-08-06 11:19:42
○NSdns1.heteml.jp2015-06-20 → 2017-05-16 · 4 obs
● 2017-05-16 22:13:54
○ 2026-05-19 09:43:04
○ 2026-08-06 11:19:42
●NSns1.xserver.jp2026-05-19 → 2026-08-06 · 3 obs
● 2026-05-19 09:43:04
● 2026-08-06 11:19:42
●NSns2.xserver.jp2026-05-19 → 2026-08-06 · 3 obs
● 2026-05-19 09:43:04
● 2026-08-06 11:19:42
●NSns3.xserver.jp2026-05-19 → 2026-08-06 · 3 obs
● 2026-05-19 09:43:04
● 2026-08-06 11:19:42
●NSns4.xserver.jp2026-05-19 → 2026-08-06 · 3 obs
● 2026-05-19 09:43:04
● 2026-08-06 11:19:42
●NSns5.xserver.jp2026-05-19 → 2026-08-06 · 3 obs
● 2026-05-19 09:43:04
● 2026-08-06 11:19:42
●MXs-20.com2026-05-19 → 2026-08-06 · 2 obs
● 2026-08-06 11:19:42
○A157.7.188.272015-06-20 → 2017-05-16 · 4 obs
● 2017-05-16 22:13:54
○ 2026-05-19 09:43:04
○ 2026-08-06 11:19:42
●A162.43.94.382026-05-19 → 2026-08-06 · 3 obs
● 2026-05-19 09:43:04
● 2026-08-06 11:19:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net... | - |
| s-20.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.246
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for s-20.com (unsigned zone)
⏱️ Timing
Total: 1051ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.94.38 |
| NS | 5 | ns5.xserver.jp, ns1.xserver.jp... |
| MX | 1 | s-20.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv15037.xserver.jp +a:s-20.com |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
s-20.com is a parent domain of hostmaster.s-20.com.
Mail Server Role
s-20.com is listed as a mail server for itself.
IP Addresses
s-20.com resolves to one IP address: 162.43.94.38.
pinoc.net, sv15037.xserver.jp, ns.h-hlaw.jp and two other host names share IP numbers with s-20.com.
Name Servers
s-20.com has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
s-20.com shares at least some of its name servers with other domains, including pretabi.com, y-you-km25.com, invstem.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that resolve to three IP addresses:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
Mail for s-20.com is handled by one mail server — s-20.com.
s-20.com points to one IP number — 162.43.94.38.