studycube.ru - dns.ninja

`studycube.ru`

DNSSEC	⚠️ Not signed
A	176.57.210.144^{🇷🇺 TimeWeb-AS176.57.210.0/24}
		PTR	`vh314.timeweb.ru`
NS	`ns2.masterhost.ru` ⭐
		A	2a00:15f8:a000:12:1:1:2:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns2.masterhost.ru`
		A	90.156.133.161^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns2.masterhost.ru`
NS	`ns.masterhost.ru`
		A	2a00:15f8:a000:10:1:1:0:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns.masterhost.ru`
		A	90.156.136.116^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns.masterhost.ru`
NS	`ns1.masterhost.ru`
		A	2a00:15f8:a000:11:1:1:1:53^{🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48}
			PTR	`ns1.masterhost.ru`
		A	90.156.137.50^{🇷🇺 MASTERHOST-AS90.156.128.0/20}
			PTR	`ns1.masterhost.ru`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 include:rsndr.ru include:_spf.yandex.net ~all`
SOA	`ns1.masterhost.ru`hostmaster@masterhost.ru serial=1708709181

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069561

Same first word

studycube.com

studycube.de

studycube.ru

Similar names

studycebu.com

cubestudy.com

DNS History

13 records (5 active, 8 former)

●NSns.masterhost.ru2015-07-04 → 2026-07-10 · 2 obs

● 2015-07-04 18:19:06
● 2026-07-10 07:50:40

●NSns1.masterhost.ru2015-07-04 → 2026-07-10 · 2 obs

● 2015-07-04 18:19:06
● 2026-07-10 07:50:40

●NSns2.masterhost.ru2015-07-04 → 2026-07-10 · 2 obs

● 2015-07-04 18:19:06
● 2026-07-10 07:50:40

○MXalt1.aspmx.l.google.com2015-07-04 → 2017-03-26 · 4 obs

● 2015-07-04 18:19:06
● 2017-03-26 19:49:26
○ 2026-03-15 21:10:52
○ 2026-07-10 07:50:40

○MXalt2.aspmx.l.google.com2015-07-04 → 2017-03-26 · 4 obs

● 2015-07-04 18:19:06
● 2017-03-26 19:49:26
○ 2026-03-15 21:10:52
○ 2026-07-10 07:50:40

○MXaspmx.l.google.com2015-07-04 → 2017-03-26 · 4 obs

● 2015-07-04 18:19:06
● 2017-03-26 19:49:26
○ 2026-03-15 21:10:52
○ 2026-07-10 07:50:40

○MXaspmx2.googlemail.com2015-07-04 → 2017-03-26 · 4 obs

● 2015-07-04 18:19:06
● 2017-03-26 19:49:26
○ 2026-03-15 21:10:52
○ 2026-07-10 07:50:40

○MXaspmx3.googlemail.com2015-07-04 → 2017-03-26 · 4 obs

● 2015-07-04 18:19:06
● 2017-03-26 19:49:26
○ 2026-03-15 21:10:52
○ 2026-07-10 07:50:40

●MXmx.yandex.net2026-03-15 → 2026-07-10 · 3 obs

○ 2017-03-26 19:49:26
● 2026-03-15 21:10:52
● 2026-07-10 07:50:40

●A176.57.210.1442026-03-15 → 2026-07-10 · 3 obs

○ 2017-03-26 19:49:26
● 2026-03-15 21:10:52
● 2026-07-10 07:50:40

○A195.208.1.1152017-03-26 → 2017-03-26 · 4 obs

○ 2016-05-02 16:14:18
● 2017-03-26 19:49:26
○ 2026-03-15 21:10:52
○ 2026-07-10 07:50:40

○A37.140.192.1932015-07-04 → 2016-01-23 · 4 obs

● 2015-07-04 18:19:06
● 2016-01-23 10:40:28
○ 2016-05-02 16:14:18
○ 2026-07-10 07:50:40

○A62.76.184.2002016-05-02 → 2016-05-02 · 4 obs

○ 2016-01-23 10:40:28
● 2016-05-02 16:14:18
○ 2017-03-26 19:49:26
○ 2026-07-10 07:50:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
studycube.ru	ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru	-

✅ Authoritative Response

Server:90.156.133.161

NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycube.ru (unsigned zone)

⏱️ Timing

Total: 1779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.57.210.144`
NS	3	`ns.masterhost.ru, ns1.masterhost.ru...`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 include:rsndr.ru include:_spf.yan`
SOA	1	`ns1.masterhost.ru hostmaster.masterhost.`

Analysis

IP Addresses

studycube.ru directs to one IP number, which is 176.57.210.144.

Among the host names that share IP numbers with studycube.ru are inmlm.ru, topcc.su, o84.ru and two others.

Name Servers

The authoritative name servers for studycube.ru are ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru — three in total.

The name servers of studycube.ru overlap at least partially with those of other domains — among them olegkozyrev.ru, safetycube.ru, boomeranggroup.ru and two more.

ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru all resolve to exactly two IP numbers apiece: ns1.masterhost.ru → 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53; ns2.masterhost.ru → 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53; ns.masterhost.ru → 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.

Mail Servers

studycube.ru routes its mail through a single mail server, mx.yandex.net.

studycube.ru has the same mail server arrangement as a number of other domains, for example www.dreamsong.ru, satechi-russia.ru, mailking.pro and two more.

studycube.ru shares at least some of its mail servers with other domains — for example argo-crimea.com, gasuits.com, altepc.ru and two more.

mx.yandex.net resolves to two IP numbers — 77.88.21.249 and 2a02:6b8::311.