dream-javascript-seminar.com - robtex.com
dream-javascript-seminar.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=1775405217 | ||||||
MX for
dream-javascript-seminar.com |
Same first word
dream-javascript-seminar.com |
DNS History
11 records (7 active, 4 former)
●NSns1.xserver.jp2026-02-28 → 2026-04-05 · 3 obs
● 2026-02-28 09:22:58
● 2026-04-05 16:07:26
○NSns1.xtwo.ne.jp2016-12-15 → 2017-10-01 · 4 obs
● 2017-10-01 11:04:40
○ 2026-02-28 09:22:58
○ 2026-04-05 16:07:26
●NSns2.xserver.jp2026-02-28 → 2026-04-05 · 3 obs
● 2026-02-28 09:22:58
● 2026-04-05 16:07:26
○NSns2.xtwo.ne.jp2016-12-15 → 2017-10-01 · 4 obs
● 2017-10-01 11:04:40
○ 2026-02-28 09:22:58
○ 2026-04-05 16:07:26
●NSns3.xserver.jp2026-02-28 → 2026-04-05 · 3 obs
● 2026-02-28 09:22:58
● 2026-04-05 16:07:26
○NSns3.xtwo.ne.jp2016-12-15 → 2017-10-01 · 4 obs
● 2017-10-01 11:04:40
○ 2026-02-28 09:22:58
○ 2026-04-05 16:07:26
●NSns4.xserver.jp2026-02-28 → 2026-04-05 · 3 obs
● 2026-02-28 09:22:58
● 2026-04-05 16:07:26
●NSns5.xserver.jp2026-02-28 → 2026-04-05 · 3 obs
● 2026-02-28 09:22:58
● 2026-04-05 16:07:26
●MXdream-javascript-seminar.com2016-12-15 → 2026-04-05 · 2 obs
● 2026-04-05 16:07:26
●A157.112.183.562026-02-28 → 2026-04-05 · 3 obs
● 2026-02-28 09:22:58
● 2026-04-05 16:07:26
○A175.28.4.102016-12-15 → 2017-10-01 · 4 obs
● 2017-10-01 11:04:40
○ 2026-02-28 09:22:58
○ 2026-04-05 16:07:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dream-javascript-seminar.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
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 dream-javascript-seminar.com (unsigned zone)
⏱️ Timing
Total: 1110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.183.56 |
| NS | 5 | ns3.xserver.jp, ns4.xserver.jp... |
| MX | 1 | dream-javascript-seminar.com (pri: 0) |
| TXT | 2 | v=spf1 +a:sv5215.xserver.jp +a:dream-jav, google-site-verification=AhdFzBMsX6OhMFb |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
The mail server for dream-javascript-seminar.com is dream-javascript-seminar.com.
IP Addresses
dream-javascript-seminar.com points to a single IP address: 157.112.183.56.
Other host names such as mail.otoemon.com, ps-hashimoto.com, maire.co.jp, rl.skyperec.com and sv5215.xserver.jp share IPs with dream-javascript-seminar.com.
Name Servers
dream-javascript-seminar.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
dream-javascript-seminar.com at least partially shares name servers with other domains, for example unique-connection.com, yamamoto-house.com, kasagaku.or.jp, novelty-fan.net and nekonimo.com.
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
One IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
One mail server handles dream-javascript-seminar.com; that server is dream-javascript-seminar.com.
dream-javascript-seminar.com points to a single IP number: 157.112.183.56.