study-blog.com - robtex.com
study-blog.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=1774640577 | ||||||
MX for
study-blog.com |
Subdomains
www.study-blog.com |
Same first word
study-blog.com |
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2018-12-22 → 2026-03-27 · 2 obs
● 2026-03-27 20:03:22
●NSns2.xserver.jp2018-12-22 → 2026-03-27 · 2 obs
● 2026-03-27 20:03:22
●NSns3.xserver.jp2018-12-22 → 2026-03-27 · 2 obs
● 2026-03-27 20:03:22
●NSns4.xserver.jp2018-12-22 → 2026-03-27 · 2 obs
● 2026-03-27 20:03:22
●NSns5.xserver.jp2018-12-22 → 2026-03-27 · 2 obs
● 2026-03-27 20:03:22
●MXstudy-blog.com2018-12-22 → 2026-03-27 · 2 obs
● 2026-03-27 20:03:22
●A183.90.250.1922026-03-12 → 2026-03-27 · 3 obs
● 2026-03-12 07:07:28
● 2026-03-27 20:03:22
○A183.90.250.282018-12-22 → 2018-12-22 · 3 obs
○ 2026-03-12 07:07:28
○ 2026-03-27 20:03:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| study-blog.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
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-blog.com (unsigned zone)
⏱️ Timing
Total: 384ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.250.192 |
| NS | 5 | ns4.xserver.jp, ns3.xserver.jp... |
| MX | 1 | study-blog.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1327.xserver.jp +a:study-blo |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
study-blog.com is the parent of www.study-blog.com.
Mail Server Role
study-blog.com serves as the mail server for study-blog.com.
IP Addresses
study-blog.com points to IP number 183.90.250.192.
For instance, other host names teiougaku.net, stepgolf.co.jp, design-share.net, www.teiougaku.net and www.abc-musicschool.com share IP numbers with study-blog.com.
Name Servers
study-blog.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
study-blog.com shares name servers with other domains at least partially, for example mrsanotes.com, ntrin.com, bamba.or.jp, ek-tokyo.com and passoro.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-blog.com is handled by a single mail server, study-blog.com.
study-blog.com points to a single IP: 183.90.250.192.