`mx.school.itano.com`

DNSSEC	⚠️ Not signed
A	210.157.5.19^{🇯🇵 GMO-INTERNET210.157.0.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`mx.gmoserver.jp`

`school.itano.com`

	DNSSEC	⚠️ Not signed
	A	160.251.229.82^{🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
	MX	`mx.school.itano.com` ⭐
	TXT	`v=spf1 include:spf.gmoserver.jp ~all`

MX for

school.itano.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A210.157.5.192016-06-13 → 2026-04-03 · 2 obs

● 2016-06-13 05:15:48
● 2026-04-03 07:45:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
itano.com	dns01.gmoserver.jp, dns02.gmoserver.jp	-

✅ Authoritative Response

Server:157.7.34.81

NS records: dns01.gmoserver.jp, dns02.gmoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itano.com (unsigned zone)

⏱️ Timing

Total: 1101ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.157.5.19`

Analysis

Mail Server Role

mx.school.itano.com acts as a mail server for school.itano.com.

IP Addresses

mx.school.itano.com points to a single IP number: 210.157.5.19.

Other host names, for instance mx.xn--t8j0azrqa9d1cxa4b6i3hx508g.com, mx.suriwa.com, mx.kanegasakitaikiyou.jp, mx.opr.qdesk.jp and mx.e-yakiniku.com share IP numbers with mx.school.itano.com.

mx.school.itano.com - robtex.com