`mail.studentopen.ru`

DNSSEC	⚠️ Not signed
A	31.177.76.32^{🇷🇺 RU-CENTER31.177.76.0/24 RU-SERVICE-NETWORK}
A	31.177.80.32^{🇷🇺 RU-CENTER31.177.80.0/24 -NETWORK}
NS	`dnsproxy1.fm.nic.ru` ⭐ ⚠️ Not in parent delegation
		A	31.177.64.240^{🇷🇺 RU-CENTER31.177.64.0/24 -NETWORK}
			PTR	`dnsproxy1.fm.nic.ru`
NS	`dnsproxy2.fm.nic.ru` ⚠️ Not in parent delegation
		A	31.177.68.199^{🇷🇺 RU-CENTER31.177.68.0/22 -NETWORK}
			PTR	`dnsproxy2.fm.nic.ru`
MX	`nomail.nic.ru` ⭐
		A	127.0.0.1
TXT	`de7a2c3c1b49d124b949e2acdd64e9792f541ed6`
SOA	`dnsproxy1.fm.nic.ru`hostmaster@nic.ru serial=1785693339

`studentopen.ru`

	DNSSEC	⚠️ Not signed
	A	31.177.76.32^{🇷🇺 RU-CENTER31.177.76.0/24 RU-SERVICE-NETWORK}
	A	31.177.80.32^{🇷🇺 RU-CENTER31.177.80.0/24 -NETWORK}
	NS	`dnsproxy1.fm.nic.ru` ⭐
	NS	`dnsproxy2.fm.nic.ru`
	MX	`nomail.nic.ru` ⭐
	TXT	`de7a2c3c1b49d124b949e2acdd64e9792f541ed6`
	SOA	`dnsproxy1.fm.nic.ru`hostmaster@nic.ru serial=1785693339

Previously MX for

studentopen.ru

Same first word

mail.gov.bn

mail.mmafan.biz

mail.ky

mail.synology-diskstation.de

mail.schoolbus.jp

mail.cn.ua

mail.uz.ua

mail.cool

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

mail.gov.ao

mail.me

mail.ac.gov.br

mail.edu.me

mail.gov.ru

mail.pr

mail.mlbfan.org

mail.ph

mail.nhlfan.net

mail.gru.br

mail.gl

mail.link

mail.no

mail.net.vn

mail.lib.wy.us

mail.pictures

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

mail.ne.kr

mail.support

mail.de

mail.hacca.jp

mail.moo.jp

mail.new

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mail.pro

mail.pupu.jp

mail.vivian.jp

mail.df.gov.br

mail.ci

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

mail.go.kr

mail.my-gateway.de

mail.wedding

mail.za.bz

mail.to

mail.tf

mail.ba

mail.lviv.ua

mail.ki

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

mail.deals

mail.edu.pl

mail.cfolks.pl

mail.cm

mail.go.th

mail.mil.cn

mail.poivron.org

mail.dnshome.de

mail.jp

mail.mp

mail.ac

mail.fund

mail.edu.bi

mail.uk.com

mail.mysecuritycamera.net

mail.glass

mail.mil.kg

mail.dog

mail.ddns.me

mail.gov.bh

mail.no-ip.info

mail.na

mail.hn

mail.srl

mail.org.nz

mail.chicappa.jp

mail.123hjemmeside.no

mail.fantasyleague.cc

mail.ufcfan.org

mail.ge

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ilma.edu.gh

mila.fi

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mila.quebec

amli.work

ilma.lt

alim.biz

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iaml.dj

mila.co.uk

lima.co.za

DNS History

7 records (5 active, 2 former)

●NSdnsproxy1.fm.nic.ru2026-07-31 → 2026-08-02 · 2 obs

● 2026-07-31 09:00:06
● 2026-08-02 17:55:40

●NSdnsproxy2.fm.nic.ru2026-07-31 → 2026-08-02 · 2 obs

● 2026-07-31 09:00:06
● 2026-08-02 17:55:40

●MXnomail.nic.ru2026-07-31 → 2026-08-02 · 2 obs

● 2026-07-31 09:00:06
● 2026-08-02 17:55:40

●A31.177.76.322026-07-31 → 2026-08-02 · 3 obs

○ 2026-07-15 13:31:24
● 2026-07-31 09:00:06
● 2026-08-02 17:55:40

●A31.177.80.322026-07-31 → 2026-08-02 · 3 obs

○ 2026-07-15 13:31:24
● 2026-07-31 09:00:06
● 2026-08-02 17:55:40

○A31.59.185.462026-07-15 → 2026-07-15 · 4 obs

○ 2026-04-30 21:09:02
● 2026-07-15 13:31:24
○ 2026-07-31 09:00:06
○ 2026-08-02 17:55:40

○A94.26.255.312026-02-15 → 2026-04-30 · 4 obs

● 2026-02-15 05:55:52
● 2026-04-30 21:09:02
○ 2026-07-15 13:31:24
○ 2026-08-02 17:55:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net...	-
studentopen.ru	dnsproxy1.fm.nic.ru, dnsproxy2.fm.nic.ru	-

✅ Authoritative Response

Server:31.177.64.240

NS records: dnsproxy1.fm.nic.ru, dnsproxy2.fm.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentopen.ru (unsigned zone)

⏱️ Timing

Total: 1620ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`31.177.76.32, 31.177.80.32`
NS	2	`dnsproxy1.fm.nic.ru, dnsproxy2.fm.nic.ru`
MX	1	`nomail.nic.ru (pri: 0)`
TXT	1	`de7a2c3c1b49d124b949e2acdd64e9792f541ed6`
SOA	1	`dnsproxy1.fm.nic.ru hostmaster.nic.ru`

Analysis

IP Addresses

mail.studentopen.ru resolves to the IP addresses 31.177.76.32 and 31.177.80.32

birmaga.ru, mail.gbu-um.ru, gvcc.info plus two other host names have IP numbers in common with mail.studentopen.ru.

Name Servers

Two name servers handle the delegation for mail.studentopen.ru: dnsproxy1.fm.nic.ru and dnsproxy2.fm.nic.ru.

The name server configuration of mail.studentopen.ru is shared with other domains, for instance vo-bla.ru, plastway.ru, helpstar.ru and two others.

mail.studentopen.ru shares at least some of its name servers with other domains, such as ns1.fish-market.ru and rya.ru.

dnsproxy1.fm.nic.ru and dnsproxy2.fm.nic.ru each resolve to one IP number: dnsproxy1.fm.nic.ru points to 31.177.64.240 and dnsproxy2.fm.nic.ru points to 31.177.68.199.

Mail Servers

mail.studentopen.ru uses one mail server — nomail.nic.ru.

The mail server setup of mail.studentopen.ru matches that of other domains such as guin.ru, 17floor.ru, mail.top1yandex.ru and two others.

nomail.nic.ru carries a single IP number, which is 127.0.0.1.

mail.studentopen.ru - robtex.com