`mx3.stdp.ru`

DNSSEC	⚠️ Not signed
A	91.193.216.196^{🇷🇺 OBIT-AS91.193.216.0/24}
		PTR	`mail.stdp.ru`

`stdp.ru`

	DNSSEC	⚠️ Not signed
	A	95.213.158.90^{🇷🇺 SELECTEL95.213.158.0/24 -NET}
	NS	`dns1.petrovich.ru` ⭐
	NS	`dns1.obit.ru`
	NS	`dns2.obit.ru`
	NS	`dns2.petrovich.ru`
	MX	`mx1.stdp.ru` ⭐
	MX	`mx2.stdp.ru` ⭐
	MX	`mx3.stdp.ru`⁽²⁰⁾
	MX	`mx4.stdp.ru`⁽³⁰⁾
	MX	`mx5.stdp.ru`⁽³⁰⁾
	MX	`mx6.stdp.ru`⁽⁴⁰⁾
	TXT	`v=spf1 +a +mx +a:mail.petrovich.ru +a:mx.stdp.ru -all`
	TXT	`google-site-verification=lrHYPoNfULF3Qt8A5_JNPfbnW92EZYeYUqiKQR-wu7E`
	TXT	`_globalsign-domain-verification=9945aJNghGE6DBqbWkRBT8Kq6_KL_gdluxKhTX04KA`
	SOA	`dns1.petrovich.ru`dns@petrovich.ru 2026-06-04 #0

📈 Tranco rank: #117,117

MX for

stdp.ru

Same first word

mx3.de

mx3.no

mx3.kasserver.com

mx3.com.ve

mx3.in-berlin.de

mx3.kinghost.net

mx3.myshopify.com

mx3.name

mx3.com

mx3.ch

mx3.gov.ru

mx3.fm

mx3.nl

mx3.dk

mx3.gov.lk

mx3.uni5.net

mx3.email

mx3.pb.gov.br

mx3.ph

mx3.cn

mx3.me

mx3.ru

mx3.org

mx3.tv

mx3.gouv.ml

mx3.us

mx3.at

mx3.co

mx3.fr

mx3.it

mx3.ca

mx3.net

mx3.memset.net

mx3.online

mx3.jp

mx3.cc

mx3.app

mx3.gouv.ci

Similar names

x3m.ca

xm3.com

3mx.net

x3m.no

x3m.org

3xm.pl

3mx.eu

x3m.com

3xm.us

3xm.nl

x3m.sk

3xm.ru

x3m.pw

xm3.cn

x3m.com.mx

x3m.de

x3m.pl

m3x.net.br

3xm.com.br

3mx.de

m3x.org

3mx.us

x3m.co

3xm.cn

x3m.me

3xm.gallery

x3m.eu

3xm.net

xm3.ru

3xm.ie

xm3.net

m3x.com.br

3mx.ru

x3m.nl

x3m.li

3mx.be

x3m.ro

xm3.biz

x3m.us.com

x3m.lu

3xm.info

x3m.biz

3mx.com

m3x.it

3xm.jp

x3m.fi

xm3.org

x3m.ru

x3m.com.co

x3m.se

3xm.at

m3x.online

m3x.at

m3x.de

x3m.dk

m3x.com

x3m.ch

xm3.de

m3x.co

m3x.cn

x3m.es

3xm.dk

3mx.at

x3m.us

x3m.at

x3m.net

3mx.cc

x3m.in

x3m.lv

xm3.fr

DNS History

1 record (1 active, 0 former)

●A91.193.216.1962026-02-14 → 2026-06-04 · 2 obs

● 2026-02-14 17:46:18
● 2026-06-04 20:11:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
stdp.ru	dns1.obit.ru, dns1.petrovich.ru, dns2.obit.ru, dns2.petrovich.ru	4 records

✅ Authoritative Response

Server:85.114.0.82

NS records: dns1.obit.ru, dns1.petrovich.ru, dns2.obit.ru, dns2.petrovich.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stdp.ru (unsigned zone)

⏱️ Timing

Total: 692ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.193.216.196`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.petrovich.ru, dns2.obit.ru, dns1.petrovich.ru...)

Analysis

Mail Server Role

mx3.stdp.ru is used as a mail server for stdp.ru.

mx1.stdp.ru, mx2.stdp.ru and mx4.stdp.ru are often deployed as mail servers in conjunction with mx3.stdp.ru.

IP Addresses

mx3.stdp.ru resolves to one IP address: 91.193.216.196.

Other host names, for instance mx3.petrovich.ru, mx3.petrovichstd.com and mx3.petrovich.tech share IP numbers with mx3.stdp.ru.

mx3.stdp.ru - robtex.com

mx3.stdp.ru

stdp.ru