`mx3.quadra.ru`

DNSSEC	⚠️ Not signed
A	217.147.27.242^{🇷🇺 TEL-NET-AS217.147.16.0/20}
		PTR	`mx3.quadra.ru`

`quadra.ru`

	DNSSEC	⚠️ Not signed
	A	87.242.67.60^{🇷🇺 MASTERHOST-AS87.242.67.0/24}
	NS	`ns3-l2.nic.ru` ⭐
	NS	`ns4-cloud.nic.ru`
	NS	`ns8-cloud.nic.ru`
	MX	`mx3.quadra.ru` ⭐
	MX	`mx5.quadra.ru` ⭐
	TXT	`v=spf1 ip4:195.239.244.243 ip4:37.28.186.243 ip4:85.26.156.104/29 ip4:87.242....`
	SOA	`ns3-l2.nic.ru`tech@quadra.ru 2022-03-30 #30

rank #735169 globally
rank #25206 in the tld
📈 Tranco rank: #160,662

PTR for

242.27.147.217.in-addr.arpa

MX for

quadra.ru

Previously MX for

tgk-4.ru

Same first word

mx3.pb.gov.br

mx3.ph

mx3.cn

mx3.me

mx3.ru

mx3.org

mx3.tv

mx3.gouv.ml

mx3.us

mx3.at

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mx3.net

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mx3.cc

mx3.app

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mx3.kasserver.com

mx3.com.ve

mx3.in-berlin.de

mx3.kinghost.net

mx3.name

mx3.com

mx3.ch

mx3.gov.ru

mx3.fm

mx3.nl

mx3.dk

mx3.uni5.net

mx3.email

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xm3.cn

x3m.com.mx

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m3x.net.br

3xm.com.br

3mx.de

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3xm.net

xm3.ru

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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

m3x.pw

x3m.cc

3mx.biz

x3m.com.br

m3x.me

3xm.de

3mx.org

3xm.co.rs

3xm.photos

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3xm.com

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x3m.be

m3x.net

x3m.co.uk

x3m.ca

xm3.com

DNS History

1 record (1 active, 0 former)

●A217.147.27.2422026-02-16 → 2026-05-10 · 2 obs

● 2026-02-16 13:51:38
● 2026-05-10 09:55:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	b.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net...	-
quadra.ru	ns3-l2.nic.ru, ns4-cloud.nic.ru, ns8-cloud.nic.ru	17 records

✅ Authoritative Response

Server:89.104.93.31

NS records: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns8-cloud.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quadra.ru (unsigned zone)

⏱️ Timing

Total: 1103ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.147.27.242`

📌 Glue Records Collected

Total: 17

Out-of-bailiwick: 17 (ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-cloud.nic.ru...)

Analysis

Mail Server Role

mx3.quadra.ru acts as a mail server for quadra.ru.

mx5.quadra.ru is commonly used as a mail server in conjunction with mx3.quadra.ru.

IP Addresses

mx3.quadra.ru points to a single IP number: 217.147.27.242.

Other host names, for instance mx3.rirenergy.ru, share IP numbers with mx3.quadra.ru.

mx3.quadra.ru - robtex.com

mx3.quadra.ru

quadra.ru