shugakudou.com - robtex.com
shugakudou.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.125.216.251🇯🇵 InfoSphere143.125.216.0/21 INFOSPHERE | ||||||
| NS | ns4.mcnet.ad.jp ⭐ | ||||||
| A | 210.172.36.182🇯🇵 MCNET210.172.32.0/19 | ||||||
| NS | ns5.mcnet.ad.jp | ||||||
| A | 210.172.36.198🇯🇵 MCNET210.172.32.0/19 | ||||||
| MX | mail.shugakudou.com ⭐ | ||||||
| A | 143.125.216.251🇯🇵 InfoSphere143.125.216.0/21 INFOSPHERE | ||||||
| TXT | v=spf1 include:shugakudou.com.spf.hosting-pf.net ~all | ||||||
| SOA | ns4.mcnet.ad.jppostmaster@mcnet.ad.jp 2008-07-25 #3 | ||||||
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=1784576092 | ||||||
PTR for
Subdomains
mail.shugakudou.com |
Same first word
shugakudou.com |
DNS History
5 records (4 active, 1 former)
●NSns4.mcnet.ad.jp2015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 19:51:34
●NSns5.mcnet.ad.jp2015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 19:51:34
●MXmail.shugakudou.com2015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 19:51:34
○A117.58.234.312015-06-22 → 2016-09-23 · 4 obs
● 2016-09-23 09:20:06
○ 2017-09-13 22:25:36
○ 2026-07-20 19:51:34
●A143.125.216.2512017-09-13 → 2026-07-20 · 3 obs
● 2017-09-13 22:25:36
● 2026-07-20 19:51:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| shugakudou.com | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp | - |
✅ Authoritative Response
Server:210.172.36.198
NS records: ns4.mcnet.ad.jp, ns5.mcnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for shugakudou.com (unsigned zone)
⏱️ Timing
Total: 1254ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.125.216.251 |
| NS | 2 | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp |
| MX | 1 | mail.shugakudou.com (pri: 10) |
| TXT | 1 | v=spf1 include:shugakudou.com.spf.hostin |
| SOA | 1 | ns4.mcnet.ad.jp postmaster.mcnet.ad.jp |
Analysis
Hierarchy
shugakudou.com is a parent domain of mail.shugakudou.com.
IP Addresses
shugakudou.com directs to one IP number, which is 143.125.216.251.
Among the host names that share IP numbers with shugakudou.com is mail.shugakudou.com, as one example.
Name Servers
The NS records for shugakudou.com delegate to ns4.mcnet.ad.jp and ns5.mcnet.ad.jp.
shugakudou.com has the same name server delegation as a number of other domains, such as nonkey.net, izmgr.co.jp, pekoe.jp and two more.
ns4.mcnet.ad.jp and ns5.mcnet.ad.jp each resolve to one IP number: ns4.mcnet.ad.jp points to 210.172.36.182 and ns5.mcnet.ad.jp points to 210.172.36.198.
Mail Servers
shugakudou.com routes its mail through a single mail server, mail.shugakudou.com.
mail.shugakudou.com resolves to 143.125.216.251 and no other IP number.