`ongakubu.com`

DNSSEC	⚠️ Not signed
NS	`dns1.interq.or.jp` ⭐
		A	163.44.76.147^{🇯🇵 GMO-INTERNET163.44.64.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`iqdns02.gmo.jp`
NS	`dns.interq.or.jp`
		A	210.157.1.245^{🇯🇵 GMO-INTERNET210.157.0.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`iqdns01.gmo.jp`
SOA	`dns.interq.or.jp`admin@interq.or.jp serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777638976

Same first word

ongakubu.com

ongakubu.org

DNS History

2 records (2 active, 0 former)

●NSdns.interq.or.jp2026-03-30 → 2026-05-01 · 2 obs

● 2026-03-30 19:32:38
● 2026-05-01 12:46:26

●NSdns1.interq.or.jp2026-03-30 → 2026-05-01 · 2 obs

● 2026-03-30 19:32:38
● 2026-05-01 12:46:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ongakubu.com	dns1.interq.or.jp, dns.interq.or.jp	-

✅ Authoritative Response

Server:163.44.76.147

NS records: dns1.interq.or.jp, dns.interq.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ongakubu.com (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns.interq.or.jp, dns1.interq.or.jp`
SOA	1	`dns.interq.or.jp admin.interq.or.jp`

Analysis

Name Servers

ongakubu.com's delegation uses two name servers, dns1.interq.or.jp and dns.interq.or.jp.

ongakubu.com shares the same name server setup as other domains, for example k-tech.biz, nomada.org, teiocollection.com, impresswatch.com and biruto.com.

ongakubu.com at least partially shares name servers with other domains, including xn--j9jkhi3e.com, hiruto.net, oishiiomise.com, xn--d5q374f.com and hisato.net.

these name servers are commonly used with dns3.interq.or.jp, dns4.interq.or.jp, mldns01.interq.or.jp, mldns02.interq.or.jp and dns2.interq.or.jp.

Host names with a single IP:

dns1.interq.or.jp points to 163.44.76.147.

dns.interq.or.jp points to 210.157.1.245.

ongakubu.com - robtex.com

ongakubu.com

com