gakusou.com - robtex.com
gakusou.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.125.218.232🇯🇵 InfoSphere143.125.216.0/21 INFOSPHERE | ||||||
| PTR | gakusou.com | ||||||
| NS | ns2.mcnet.ad.jp ⭐ | ||||||
| A | 2001:350:2:17::2🇯🇵 MCNET2001:350::/32 NTT SmartConnect Corp. | ||||||
| PTR | ns2.mcnet.ad.jp | ||||||
| A | 210.172.32.132🇯🇵 MCNET210.172.32.0/19 | ||||||
| PTR | ns2.mcnet.ad.jp | ||||||
| NS | ns.mcnet.ad.jp | ||||||
| A | 2001:350:2:16::2🇯🇵 MCNET2001:350::/32 NTT SmartConnect Corp. | ||||||
| PTR | ns.mcnet.ad.jp | ||||||
| A | 210.172.32.50🇯🇵 MCNET210.172.32.0/19 | ||||||
| PTR | ns.mcnet.ad.jp | ||||||
| MX | mail.gakusou.com ⭐ | ||||||
| A | 143.125.218.232🇯🇵 InfoSphere143.125.216.0/21 INFOSPHERE | ||||||
| PTR | gakusou.com | ||||||
| TXT | v=spf1 include:gakusou.com.spf.hosting-pf.net ~all | ||||||
| SOA | ns.mcnet.ad.jppostmaster@mcnet.ad.jp 2009-07-22 #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=1774607892 | ||||||
PTR for
Subdomains
mail.gakusou.com |
Same first word
Similar names
goukusa.cn |
sugakou.com |
sougaku.com |
sougaku.jp |
kasugou.com |
sougaku.net |
ugokasu.co.jp |
goukusa.com |
gousaku.jp |
ugokasu.com |
DNS History
5 records (4 active, 1 former)
●NSns.mcnet.ad.jp2015-08-14 → 2026-03-27 · 2 obs
● 2026-03-27 11:02:56
●NSns2.mcnet.ad.jp2015-08-14 → 2026-03-27 · 2 obs
● 2026-03-27 11:02:56
●MXmail.gakusou.com2015-08-14 → 2026-03-27 · 2 obs
● 2026-03-27 11:02:56
●A143.125.218.2322018-09-22 → 2026-03-27 · 3 obs
● 2018-09-22 23:25:02
● 2026-03-27 11:02:56
○A203.211.169.342015-08-14 → 2017-02-10 · 4 obs
● 2017-02-10 03:26:02
○ 2018-09-22 23:25:02
○ 2026-03-27 11:02:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| gakusou.com | ns.mcnet.ad.jp, ns2.mcnet.ad.jp | - |
✅ Authoritative Response
Server:210.172.32.50
NS records: ns.mcnet.ad.jp, ns2.mcnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gakusou.com (unsigned zone)
⏱️ Timing
Total: 941ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.125.218.232 |
| NS | 2 | ns.mcnet.ad.jp, ns2.mcnet.ad.jp |
| MX | 1 | mail.gakusou.com (pri: 10) |
| TXT | 1 | v=spf1 include:gakusou.com.spf.hosting-p |
| SOA | 1 | ns.mcnet.ad.jp postmaster.mcnet.ad.jp |
Analysis
Hierarchy
mail.gakusou.com is a child of gakusou.com.
IP Addresses
gakusou.com resolves to one IP number: 143.125.218.232.
Other host names, for example mail.gakusou.com, share IP numbers with gakusou.com.
Name Servers
gakusou.com's delegation uses two name servers: ns2.mcnet.ad.jp and ns.mcnet.ad.jp.
gakusou.com uses the same name server setup as other domains, such as tdc-alumni.jp, momometal.co.jp, komaki-e.net, larynx.jp and 82.96.219.in-addr.arpa.
gakusou.com at least partially shares name servers with other domains, for example eitaro.co.jp.
Host names with two IPs:
ns2.mcnet.ad.jp points to 2001:350:2:17::2 and 210.172.32.132
ns.mcnet.ad.jp points to 2001:350:2:16::2 and 210.172.32.50
Mail Servers
A single mail server handles gakusou.com, mail.gakusou.com.
Host name mail.gakusou.com resolves to a single IP: 143.125.218.232.