studyplus.co.jp - dns.ninja
studyplus.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
rank #14191 in the tld
📈 Tranco rank: #552,203
WOT: SAFE (58/100)
Subdomains
fs.studyplus.co.jp |
info.studyplus.co.jp |
ads.studyplus.co.jp |
for-school.studyplus.co.jp |
fs-platform.studyplus.co.jp |
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSns-1488.awsdns-58.org2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●NSns-1885.awsdns-43.co.uk2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●NSns-247.awsdns-30.com2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●NSns-735.awsdns-27.net2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●MXalt1.aspmx.l.google.com2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●MXalt2.aspmx.l.google.com2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●MXaspmx.l.google.com2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●MXaspmx2.googlemail.com2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
●MXaspmx3.googlemail.com2026-02-23 → 2026-08-01 · 2 obs
● 2026-08-01 17:56:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, a.dns.jp, h.dns.jp, f.dns.jp... | - |
| studyplus.co.jp | ns-1488.awsdns-58.org, ns-735.awsdns-27.net, ns-247.awsdns-30.com, ns-1885.awsdns-43.co.uk | - |
✅ Authoritative Response
Server:205.251.197.208
NS records: ns-1488.awsdns-58.org, ns-735.awsdns-27.net, ns-247.awsdns-30.com, ns-1885.awsdns-43.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyplus.co.jp (unsigned zone)
⏱️ Timing
Total: 525ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1488.awsdns-58.org, ns-1885.awsdns-43.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 4 | google-site-verification=2k-vo1F8CpIe2CO, google-site-verification=A5CrV9w0cpRgyVa... |
| SOA | 1 | ns-735.awsdns-27.net awsdns-hostmaster.a |
Analysis
Hierarchy
studyplus.co.jp is the parent of fs.studyplus.co.jp, info.studyplus.co.jp, ads.studyplus.co.jp, for-school.studyplus.co.jp and fs-platform.studyplus.co.jp.
Name Servers
The domain studyplus.co.jp is delegated to these four name servers: ns-247.awsdns-30.com, ns-735.awsdns-27.net, ns-1488.awsdns-58.org and ns-1885.awsdns-43.co.uk.
studyplus.co.jp has at least partial name server overlap with other domains, such as amgexpress.net, ipallaw.com, inbound.ascs-tech.amazon.dev and two others.
ns-247.awsdns-30.com, ns-735.awsdns-27.net, ns-1488.awsdns-58.org and ns-1885.awsdns-43.co.uk all point to exactly two IP numbers each: ns-247.awsdns-30.com → 205.251.192.247 and 2600:9000:5300:f700::1; ns-735.awsdns-27.net → 205.251.194.223 and 2600:9000:5302:df00::1; ns-1488.awsdns-58.org → 205.251.197.208 and 2600:9000:5305:d000::1; ns-1885.awsdns-43.co.uk → 205.251.199.93 and 2600:9000:5307:5d00::1.
Mail Servers
Mail for studyplus.co.jp is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
studyplus.co.jp shares at least some of its mail servers with other domains — for example quantixmexico.net, ns500698.ns500759.ns500759.ns500698.ns500758.ns500735.ns500735.ns500735.ns500698.ns500576.ns500698.ns500652.ns500619.ns500619.trackreceptor.com, ns500742.ns500742.ns500671.ns500742.ns500704.ns500704.ns500704.ns500704.ns500291.ns500649.tenderladiesbz.com and two more.
It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com directs traffic to 172.217.216.26 and 2607:f8b0:4023:2803::1b.
aspmx3.googlemail.com directs traffic to 172.253.145.26 and 2607:f8b0:4023:3003::1a.
aspmx.l.google.com directs traffic to 142.250.31.26 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.