`api-stg.studycast.jp`

CNAME	`studycast-stg-api-staging-178277506.ap-northeast-1.elb.amazonaws.com`
DNSSEC	⚠️ Not signed
A	13.230.58.242^{🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix}
		PTR	`ec2-13-230-58-242.ap-northeast-1.compute.amazonaws.com`
A	52.192.70.19^{🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix}
A	52.196.197.177^{🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix}

`studycast.jp`

	DNSSEC	⚠️ Not signed
	NS	`ns1-03.azure-dns.com` ⭐
	NS	`ns2-03.azure-dns.net`
	NS	`ns3-03.azure-dns.org`
	NS	`ns4-03.azure-dns.info`
	SOA	`ns1-03.azure-dns.com`root-dns@benesse.co.jp serial=20190724

Similar names

gts-api.com

agip-ts.net

itps-ag.de

itps-ag.ch

tgi-asp.com

itps-ag.at

itps-ag.com

stg-api.com

ati-spg.com

DNS History

1 record (1 active, 0 former)

●CNAMEstudycast-stg-api-staging-178277506.ap-northeast-1.elb.amazonaws.com2026-02-19 → 2026-03-23 · 2 obs

● 2026-02-19 01:49:30
● 2026-03-23 21:35:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
studycast.jp	ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info	-

✅ Authoritative Response

Server:13.107.236.3

NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycast.jp (unsigned zone)

⏱️ Timing

Total: 2728ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`studycast-stg-api-staging-178277506.ap-n`

Analysis

IP Addresses

api-stg.studycast.jp resolves to three IP numbers: 13.230.58.242, 52.192.70.19 and 52.196.197.177.

Other host names, for instance, ec2-52-196-197-177.ap-northeast-1.compute.amazonaws.com and ec2-52-192-70-19.ap-northeast-1.compute.amazonaws.com share IP numbers with api-stg.studycast.jp.

api-stg.studycast.jp - robtex.com