`student-journal.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}
		PTR	`www.gmoserver.jp`
NS	`dns01.gmoserver.jp` ⭐
		A	157.7.33.81^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`dns01.gmoserver.jp`
NS	`dns02.gmoserver.jp`
		A	157.7.34.81^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`dns02.gmoserver.jp`
MX	`mx.student-journal.com` ⭐
		A	160.251.229.91^{🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mx-05.gmoserver.jp`
TXT	`v=spf1 include:spf.gmoserver.jp ~all`
SOA	`dns01.gmoserver.jp`hostmaster@student-journal.com 2016-07-29 #2

`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=1774656907

Subdomains

mx.student-journal.com

Same first word

student-journal.com

DNS History

5 records (4 active, 1 former)

●NSdns01.gmoserver.jp2015-05-13 → 2026-03-28 · 2 obs

● 2015-05-13 08:51:58
● 2026-03-28 00:39:06

●NSdns02.gmoserver.jp2015-05-13 → 2026-03-28 · 2 obs

● 2015-05-13 08:51:58
● 2026-03-28 00:39:06

●MXmx.student-journal.com2015-05-13 → 2026-03-28 · 2 obs

● 2015-05-13 08:51:58
● 2026-03-28 00:39:06

○A157.7.144.52015-05-13 → 2018-05-27 · 4 obs

● 2015-05-13 08:51:58
● 2018-05-27 11:00:26
○ 2026-03-23 17:22:22
○ 2026-03-28 00:39:06

●A160.251.229.822026-03-23 → 2026-03-28 · 3 obs

○ 2018-05-27 11:00:26
● 2026-03-23 17:22:22
● 2026-03-28 00:39:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
student-journal.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 student-journal.com (unsigned zone)

⏱️ Timing

Total: 1141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.251.229.82`
NS	2	`dns01.gmoserver.jp, dns02.gmoserver.jp`
MX	1	`mx.student-journal.com (pri: 10)`
TXT	1	`v=spf1 include:spf.gmoserver.jp ~all`
SOA	1	`dns01.gmoserver.jp hostmaster.student-jo`

Analysis

Hierarchy

The parent of mx.student-journal.com is student-journal.com.

IP Addresses

student-journal.com points to a single IP: 160.251.229.82.

Other host names, for instance sphc.jp, dsco.or.jp, www.fukuokamall.com, resort-reform.com and xn--9ckkn7948ad1d6z9i.com share IP numbers with student-journal.com.

Name Servers

Two name servers dns01.gmoserver.jp and dns02.gmoserver.jp handle delegation for student-journal.com.

student-journal.com uses the same name server setup as other domains, for example beefit.jp, thinkloud.jp, fs-message.com, a-earth.com and angelfalls.jp.

student-journal.com partially shares name servers with other domains, such as mirai-h.net and sys21-03.org.

Host names with one IP number: The host name dns01.gmoserver.jp points to 157.7.33.81 and the host name dns02.gmoserver.jp points to 157.7.34.81.

Mail Servers

student-journal.com is handled by a single mail server, mx.student-journal.com.

mx.student-journal.com points to a single IP: 160.251.229.91.

student-journal.com - robtex.com