`schooluni.com`

DNSSEC	⚠️ Not signed
NS	`dns3.kct.ne.jp` ⭐
		A	211.125.109.65^{🇯🇵 KCT-AS211.125.96.0/20 KCT CIDR BLOCK 1.1 ( AS9622 ) 2661-1 Nakashima, Kurashiki-City, Okayama-Pref, 710-0803 Japan}
			PTR	`dns3.kct.ne.jp`
NS	`dns2.kct.ne.jp`
		A	211.125.109.2^{🇯🇵 KCT-AS211.125.96.0/20 KCT CIDR BLOCK 1.1 ( AS9622 ) 2661-1 Nakashima, Kurashiki-City, Okayama-Pref, 710-0803 Japan}
			PTR	`dns2.kct.ne.jp`
MX	`mail.schooluni.com` ⭐
		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`
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

`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=1774526022

Subdomains

mail.schooluni.com

Same first word

schooluni.com

Similar names

nuischool.org

schoolinu.com

unischool.ru

unischool.cn

louischon.com

unischool.de

oculinhos.com

DNS History

4 records (3 active, 1 former)

●NSdns2.kct.ne.jp2008-01-14 → 2026-03-26 · 2 obs

● 2008-01-14 19:45:00
● 2026-03-26 12:06:24

●NSdns3.kct.ne.jp2008-01-14 → 2026-03-26 · 2 obs

● 2008-01-14 19:45:00
● 2026-03-26 12:06:24

●MXmail.schooluni.com2015-07-17 → 2026-03-26 · 3 obs

○ 2008-01-14 19:45:00
● 2015-07-17 00:11:20
● 2026-03-26 12:06:24

○MXmxi.asp.home.ne.jp2008-01-14 → 2008-01-14 · 3 obs

● 2008-01-14 19:45:00
○ 2015-07-17 00:11:20
○ 2026-03-26 12:06:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
schooluni.com	dns2.kct.ne.jp, dns3.kct.ne.jp	-

✅ Authoritative Response

Server:211.125.109.2

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: 978ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns2.kct.ne.jp, dns3.kct.ne.jp`
MX	1	`mail.schooluni.com (pri: 10)`
TXT	1	`v=spf1 include:libra.oneoffice.jp ip4:21`
SOA	1	`dns3.kct.ne.jp postmaster.schooluni.com`

Analysis

Hierarchy

The parent of mail.schooluni.com is schooluni.com.

Name Servers

schooluni.com is delegated to two name servers: dns2.kct.ne.jp and dns3.kct.ne.jp.

schooluni.com shares the same name server setup as tamanosho.ed.jp, i-l.jp, cidr9.kct.ad.jp, cidr3-2.kct.ad.jp and tamano-shakyou.or.jp.

schooluni.com at least partially shares name servers with other domains, for instance 125.125.211.in-addr.arpa, 110.125.211.in-addr.arpa, cx.kct.ne.jp, 117.125.211.in-addr.arpa and 120.125.211.in-addr.arpa.

these name servers are often used with the name servers dns1.kct.ne.jp, ns.enetworks.jp, ns2.woo.ne.jp, ns3.woo.ne.jp, ns.woo.ne.jp, dns.tvt.ne.jp, ns2.tvt.ne.jp and ns3.tvt.ne.jp.

Host names with a single IP:

dns2.kct.ne.jp points to 211.125.109.2.

dns3.kct.ne.jp points to 211.125.109.65.

Mail Servers

schooluni.com is handled by a single mail server, mail.schooluni.com.

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

schooluni.com - robtex.com

schooluni.com

com