`github.kaiyoukaku.com`

DNSSEC	⚠️ Not signed
A	54.95.36.87^{🇯🇵 Amazon54.95.0.0/17 EC2 NRT prefix}
		PTR	`ec2-54-95-36-87.ap-northeast-1.compute.amazonaws.com`

`kaiyoukaku.com`

	DNSSEC	⚠️ Not signed
	NS	`01.dnsv.jp` ⭐
	NS	`02.dnsv.jp`
	NS	`03.dnsv.jp`
	NS	`04.dnsv.jp`
	MX	`kaiyoukaku.sakura.ne.jp` ⭐
	TXT	`v=spf1 +mx -all`
	SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1768272523

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DNS History

1 record (1 active, 0 former)

●A54.95.36.872026-02-23 → 2026-03-26 · 2 obs

● 2026-02-23 10:55:00
● 2026-03-26 13:57:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kaiyoukaku.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kaiyoukaku.com (unsigned zone)

⏱️ Timing

Total: 1187ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.95.36.87`

Analysis

IP Addresses

github.kaiyoukaku.com resolves to a single IP: 54.95.36.87.

Other host names, for instance hekisui.jp, hutademura.org, bizenya-koshi.com, miyamaso.org and at-yamatokan.com share IP numbers with github.kaiyoukaku.com.

github.kaiyoukaku.com - robtex.com