study-osaka.com - robtex.com
study-osaka.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=1776102762 | ||||||
MX for
study-osaka.com |
Same first word
study-osaka.com |
DNS History
11 records (7 active, 4 former)
○NSns.namedserver.net2018-07-27 → 2018-07-27 · 3 obs
○ 2026-03-01 06:08:52
○ 2026-04-13 18:05:18
●NSns1.xserver.jp2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
○NSns2.namedserver.net2018-07-27 → 2018-07-27 · 3 obs
○ 2026-03-01 06:08:52
○ 2026-04-13 18:05:18
●NSns2.xserver.jp2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
●NSns3.xserver.jp2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
●NSns4.xserver.jp2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
●NSns5.xserver.jp2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
○MXmx.study-osaka.com2018-07-27 → 2018-07-27 · 3 obs
○ 2026-03-01 06:08:52
○ 2026-04-13 18:05:18
●MXstudy-osaka.com2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
●A183.181.88.1162026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 06:08:52
● 2026-04-13 18:05:18
○A211.13.196.1352018-07-27 → 2018-07-27 · 3 obs
○ 2026-03-01 06:08:52
○ 2026-04-13 18:05:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| study-osaka.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.164
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 study-osaka.com (unsigned zone)
⏱️ Timing
Total: 2752ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.88.116 |
| NS | 5 | ns1.xserver.jp, ns3.xserver.jp... |
| MX | 1 | study-osaka.com (pri: 0) |
| TXT | 2 | v=spf1 +a:sv8115.xserver.jp +a:study-osa, google-site-verification=jrPst66c_57YKVx |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
study-osaka.com serves as the mail server for study-osaka.com.
IP Addresses
study-osaka.com resolves to one IP number: 183.181.88.116.
Other host names, for instance mx.kmoffice.co.jp, xinlab-jp.com, micropreneur.jp, hsmx.koei-system.com and sv8115.xserver.jp share IP numbers with study-osaka.com.
Name Servers
study-osaka.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
study-osaka.com at least partially shares name servers with other domains, including ithat.me, volleyball-nagaoka-city.com, a-hum.co.jp, atriver.net and ascadea.com.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
study-osaka.com is handled by a single mail server, study-osaka.com.
Host name study-osaka.com resolves to a single IP: 183.181.88.116.