api.studyplus.jp - dns.ninja

`api.studyplus.jp`

DNSSEC	⚠️ Not signed
A	13.112.52.56^{🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix}
		PTR	`ec2-13-112-52-56.ap-northeast-1.compute.amazonaws.com`
A	35.75.170.200^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
A	57.182.67.63^{🇯🇵 Amazon57.180.0.0/14 EC2}

`studyplus.jp`

	DNSSEC	⚠️ Not signed
	A	52.85.78.5^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
	A	52.85.78.7^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
	A	52.85.78.15^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
	A	52.85.78.52^{🇺🇸 Amazon52.85.72.0/21 - CloudFront TD}
	NS	`ns-1359.awsdns-41.org` ⭐
	NS	`ns-1603.awsdns-08.co.uk`
	NS	`ns-451.awsdns-56.com`
	NS	`ns-746.awsdns-29.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
	MX	`aspmx2.googlemail.com`⁽³⁰⁾
	MX	`aspmx3.googlemail.com`⁽³⁰⁾
	TXT	`google-site-verification=PnpcSnXH2Z94Adcli-obLfrzwHjMpKNudTRobEA218g`
	TXT	`google-site-verification=TsoePr6JXRevaMr0Ih5n4AXXAWpxnIeH-GxyQuEdpmM`
	TXT	`google-site-verification=uJVncuAAlEMmqCd2uh0dib_TcuPrFnmD8vkTsRhb6-M`
	TXT	`notion-domain-verification=90CXZOfeaDGT3donReSgiV8x0nyJiZKf5dSXdQQU6Kn`
	TXT	`v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.prtimes....`
	SOA	`ns-1359.awsdns-41.org`awsdns-hostmaster@amazon.com serial=1

rank #368140 globally
rank #6758 in the tld
📈 Tranco rank: #188,275

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DNS History

7 records (3 active, 4 former)

●A13.112.52.562026-06-14 → 2026-06-14 · 1 obs

● 2026-06-14 12:51:00

○A13.114.242.2292026-06-14 → 2026-06-14 · 1 obs

○ 2026-06-14 12:51:00

●A35.75.170.2002026-06-14 → 2026-06-14 · 1 obs

● 2026-06-14 12:51:00

○A52.196.59.2132026-06-14 → 2026-06-14 · 1 obs

○ 2026-06-14 12:51:00

○A54.64.242.2452026-06-14 → 2026-06-14 · 1 obs

○ 2026-06-14 12:51:00

●A57.182.67.632026-06-14 → 2026-06-14 · 1 obs

● 2026-06-14 12:51:00

○CNAMEsteak-api-prod-ruby26.ap-northeast-1.elasticbeanstalk.com2020-03-02 → 2021-03-08 · 3 obs

● 2020-03-02 22:00:36
● 2021-03-08 11:12:30
○ 2026-06-14 12:51:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
studyplus.jp	ns-1603.awsdns-08.co.uk, ns-746.awsdns-29.net, ns-451.awsdns-56.com, ns-1359.awsdns-41.org	-

✅ Authoritative Response

Server:205.251.197.79

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyplus.jp (unsigned zone)

⏱️ Timing

Total: 822ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`35.75.170.200, 13.112.52.56...`

Analysis

IP Addresses

api.studyplus.jp maps to three IP numbers — 13.112.52.56, 35.75.170.200 and 57.182.67.63.

Additional host names — including ec2-35-75-170-200.ap-northeast-1.compute.amazonaws.com and ec2-57-182-67-63.ap-northeast-1.compute.amazonaws.com — share IP numbers with api.studyplus.jp.