DNSWHOIS.INFO - studyextension.com

Search for IP or hostnames:

studyextension.com checked at 2025-10-17T16:18:12.727Z 800ms 134/134/134 100% R:11

`studyextension.com`

NS	`01.dnsv.jp`
		A	2400:8500:3300::53 ^{🇯🇵 GMO-DNS}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53 ^{🇯🇵 GMO-DNS}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53 ^{🇯🇵 GMO-DNS}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS}
			PTR	`04.dnsv.jp`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c09::1a ^{🇺🇸 Google}
			PTR	`bh-in-f26.1e100.net`
		A	142.251.16.26^{🇺🇸 Google}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:400b:c02::1a ^{🇮🇪 Google}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:400c:c00::1a ^{🇧🇪 Google}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`
		A	2a00:1450:4025:402::1a ^{🇳🇱 Google}
			PTR	`rb-in-f26.1e100.net`
		A	142.250.102.26^{🇺🇸 Google}
			PTR	`rb-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`
		A	2a00:1450:4013:c1e::1a ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.26^{🇺🇸 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
A	52.197.185.215^{🇯🇵 Amazon}
		PTR	`ec2-52-197-185-215.ap-northeast-1.compute.amazonaws.com`

mail.studyextension.com

studyextension.com

studyextension.com

studyextension.com is parent of mail.studyextension.com.

studyextension.com points to a single IP: 52.197.185.215.

Other host names such as ec2-52-197-185-215.ap-northeast-1.compute.amazonaws.com and goodschool.jp share IP numbers with studyextension.com.

studyextension.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

studyextension.com at least partially shares its name servers with other domains, for instance freeve.co.jp, bsprint.jp, kimono-kodera.com, enspace.work and nikilek.net.

Two IPs per host:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

One IP per host:

studyextension.com shares some mail servers with other domains, including alittlenudge.com, mkl.ua, 2bstudio.com, quantumitinnovation.com and dotans.com.

These mail servers are commonly used alongside the mail servers aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c09::1a and 142.251.16.26.

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26.

alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.

alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.26.

alt4.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.26.

dbq