external-api.studyplus.jp - dns.ninja

external-api.studyplus.jp

DNSSEC⚠️ Not signed
A13.112.52.56🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix
PTRec2-13-112-52-56.ap-northeast-1.compute.amazonaws.com
A35.75.170.200🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
A57.182.67.63🇯🇵 Amazon57.180.0.0/14 EC2

studyplus.jp

DNSSEC⚠️ Not signed
A18.160.10.44🇺🇸 Amazon18.160.8.0/22
A18.160.10.47🇺🇸 Amazon18.160.8.0/22
A18.160.10.70🇺🇸 Amazon18.160.8.0/22
A18.160.10.85🇺🇸 Amazon18.160.8.0/22
NSns-1359.awsdns-41.org ⭐
NSns-1603.awsdns-08.co.uk
NSns-451.awsdns-56.com
NSns-746.awsdns-29.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
MXaspmx3.googlemail.com(30)
TXTgoogle-site-verification=PnpcSnXH2Z94Adcli-obLfrzwHjMpKNudTRobEA218g
TXTgoogle-site-verification=TsoePr6JXRevaMr0Ih5n4AXXAWpxnIeH-GxyQuEdpmM
TXTgoogle-site-verification=uJVncuAAlEMmqCd2uh0dib_TcuPrFnmD8vkTsRhb6-M
TXTnotion-domain-verification=90CXZOfeaDGT3donReSgiV8x0nyJiZKf5dSXdQQU6Kn
TXTv=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.prtimes....
SOAns-1359.awsdns-41.orgawsdns-hostmaster@amazon.com serial=1
rank #368140 globally
rank #6758 in the tld
📈 Tranco rank: #188,275

DNS History

15 records (3 active, 12 former)

A13.112.52.5635.75.170.20057.182.67.6313.115.207.153.114.159.9835.72.119.25152.196.144.2952.68.150.20454.150.134.12554.150.37.19554.178.137.24154.248.55.6454.250.67.16454.64.135.24857.181.115.51
●A13.112.52.562026-06-14 → 2026-06-14 · 2 obs
○ 2026-05-03 17:51:02
● 2026-06-14 14:24:26
○A13.115.207.152026-05-03 → 2026-05-03 · 3 obs
○ 2026-04-09 18:57:08
● 2026-05-03 17:51:02
○ 2026-06-14 14:24:26
○A3.114.159.982026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 04:38:04
○ 2026-04-09 18:57:08
○ 2026-06-14 14:24:26
○A35.72.119.2512026-04-09 → 2026-04-09 · 4 obs
○ 2026-02-26 04:38:04
● 2026-04-09 18:57:08
○ 2026-05-03 17:51:02
○ 2026-06-14 14:24:26
●A35.75.170.2002026-06-14 → 2026-06-14 · 2 obs
○ 2026-05-03 17:51:02
● 2026-06-14 14:24:26
○A52.196.144.292026-04-09 → 2026-04-09 · 4 obs
○ 2026-02-26 04:38:04
● 2026-04-09 18:57:08
○ 2026-05-03 17:51:02
○ 2026-06-14 14:24:26
○A52.68.150.2042026-04-09 → 2026-04-09 · 4 obs
○ 2026-02-26 04:38:04
● 2026-04-09 18:57:08
○ 2026-05-03 17:51:02
○ 2026-06-14 14:24:26
○A54.150.134.1252026-02-26 → 2026-06-14 · 2 obs
○ 2026-02-26 04:38:04
○ 2026-06-14 14:24:26
○A54.150.37.1952026-02-26 → 2026-06-14 · 2 obs
○ 2026-02-26 04:38:04
○ 2026-06-14 14:24:26
○A54.178.137.2412026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 04:38:04
○ 2026-04-09 18:57:08
○ 2026-06-14 14:24:26
○A54.248.55.642026-02-26 → 2026-06-14 · 2 obs
○ 2026-02-26 04:38:04
○ 2026-06-14 14:24:26
○A54.250.67.1642026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 04:38:04
○ 2026-04-09 18:57:08
○ 2026-06-14 14:24:26
○A54.64.135.2482026-05-03 → 2026-05-03 · 3 obs
○ 2026-04-09 18:57:08
● 2026-05-03 17:51:02
○ 2026-06-14 14:24:26
○A57.181.115.512026-05-03 → 2026-05-03 · 3 obs
○ 2026-04-09 18:57:08
● 2026-05-03 17:51:02
○ 2026-06-14 14:24:26
●A57.182.67.632026-06-14 → 2026-06-14 · 2 obs
○ 2026-05-03 17:51:02
● 2026-06-14 14:24:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, a.dns.jp, d.dns.jp, g.dns.jp...-
studyplus.jpns-1603.awsdns-08.co.uk, ns-1359.awsdns-41.org, ns-451.awsdns-56.com, ns-746.awsdns-29.net-

✅ Authoritative Response

Server:205.251.198.67

NS records: ns-1603.awsdns-08.co.uk, ns-1359.awsdns-41.org, ns-451.awsdns-56.com, ns-746.awsdns-29.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyplus.jp (unsigned zone)

⏱️ Timing

Total: 785ms | Queries: -

📄 Records

TypeCountSample Data
A335.75.170.200, 13.112.52.56...

Analysis

IP Addresses

external-api.studyplus.jp has three IP addresses: 13.112.52.56, 35.75.170.200 and 57.182.67.63.

Host names such as ec2-35-75-170-200.ap-northeast-1.compute.amazonaws.com, api.studyplus.jp and ec2-57-182-67-63.ap-northeast-1.compute.amazonaws.com share their IP numbers with external-api.studyplus.jp.