`mail.schooluni.com`

DNSSEC	⚠️ Not signed
A	211.125.127.80^{🇯🇵 KCT-AS211.125.112.0/20 KCT CIDR BLOCK 1.2 ( AS9622 ) 2661-1 Nakashima, Kurashiki-City, Okayama-Pref, 710-0803 Japan}
		PTR	`mail.kurareha.com`
		PTR	`mail.schooluni.com`
		PTR	`mail.c-takahata.jp`
		PTR	`mail.honjyo-k.jp`
		PTR	`mail.i-l.jp`
		PTR	`mail.jonnys.jp`
		PTR	`mail.kct-sato.jp`
		PTR	`mail.kurashiki-machidukuri.jp`
		PTR	`mail.kurashiki-shigikai.jp`
		PTR	`mail.kuratsu.jp`
		PTR	`mail.mbrcc-ckoj.jp`
		PTR	`mail.n54.jp`
		PTR	`mail.oml-inc.jp`
		PTR	`mail.washija.jp`
		PTR	`mail.setoohashi.net`
		PTR	`mail.ace-com.co.jp`
		PTR	`mail.asahidefune.co.jp`
		PTR	`mail.asanuma-ken.co.jp`
		PTR	`mail.herikoubou.co.jp`
		PTR	`mail.kgiken.co.jp`
		PTR	`mail.kotoura.co.jp`
		PTR	`mail.mizushima-cs.co.jp`
		PTR	`mail.nishinafirm.co.jp`
		PTR	`mail.nobue.co.jp`
		PTR	`mail.pc-now.co.jp`
		PTR	`mail.puchihotel.co.jp`
		PTR	`mail.suisho.ed.jp`
		PTR	`mail.tamanosho.ed.jp`
		PTR	`mail.tarn.gr.jp`
		PTR	`hosting.kct.ne.jp`
		PTR	`mail.fkmc.or.jp`
		PTR	`mail.heisei.or.jp`
		PTR	`mail.kurashikisyakyo.or.jp`
		PTR	`mail.live.or.jp`
		PTR	`mail.mch.or.jp`
		PTR	`mail.seiwakai-net.or.jp`
		PTR	`mail.tamano-shakyou.or.jp`
		PTR	`mail.wingvalley.or.jp`
		PTR	`mail.zai-tama7.or.jp`

`schooluni.com`

	DNSSEC	⚠️ Not signed
	NS	`dns3.kct.ne.jp` ⭐
	NS	`dns2.kct.ne.jp`
	MX	`mail.schooluni.com` ⭐
	TXT	`v=spf1 include:libra.oneoffice.jp ip4:211.125.127.64/26 ~all`
	SOA	`dns3.kct.ne.jp`postmaster@schooluni.com 2024-03-14 #1

PTR for

80.127.125.211.in-addr.arpa

MX for

schooluni.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A211.125.108.1602015-05-06 → 2015-10-10 · 4 obs

● 2015-05-06 05:42:58
● 2015-10-10 19:35:42
○ 2015-12-18 04:57:46
○ 2026-03-27 20:25:06

●A211.125.127.802015-12-18 → 2026-03-27 · 3 obs

○ 2015-10-10 19:35:42
● 2015-12-18 04:57:46
● 2026-03-27 20:25:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
schooluni.com	dns2.kct.ne.jp, dns3.kct.ne.jp	-

✅ Authoritative Response

Server:211.125.109.65

NS records: dns2.kct.ne.jp, dns3.kct.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schooluni.com (unsigned zone)

⏱️ Timing

Total: 2786ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.125.127.80`

Analysis

Mail Server Role

mail.schooluni.com serves as the mail server for schooluni.com.

IP Addresses

mail.schooluni.com resolves to a single IP: 211.125.127.80.

Other host names, for instance www.honjyo-k.jp, mail.kotoura.co.jp, www.i-l.jp, mail.kurareha.com and mail.heisei.or.jp share IP numbers with mail.schooluni.com.

mail.schooluni.com - robtex.com