cppis.rsu.ru - dns.ninja

`cppis.rsu.ru`

DNSSEC	⚠️ Not signed
A	195.208.243.7^{🇷🇺 R61NET195.208.243.0/24 SFEDU Southern Federal University}
MX	`emx.mail.ru` ⭐
		A	94.100.180.180^{🇷🇺 VK-AS94.100.176.0/20 Moscow region}
			PTR	`emx.mail.ru`
		A	217.69.139.180^{🇷🇺 VK-AS217.69.128.0/20 Moscow region}
TXT	`v=spf1 redirect=_spf.mail.ru`

`rsu.ru`

	DNSSEC	🔒 Signed (DS record present)
	A	195.208.245.190^{🇷🇺 R61NET195.208.244.0/22 SFEDU Southern Federal University}
	NS	`ns2.r61.net` ⭐
	NS	`ns.r61.net`
	NS	`ns.runnet.ru`
	MX	`rsu-ru.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 ip4:195.208.245.238 mx include:spf.protection.outlook.com ~all`
	SOA	`ns.r61.net`noc@r61.net 2026-06-08 #1

rank #188877 globally
rank #5820 in the tld
WOT: SAFE (60/100)
📈 Tranco rank: #297,046

PTR for

7.243.208.195.in-addr.arpa

Same first word

cppis.ru

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DNS History

2 records (2 active, 0 former)

●MXemx.mail.ru2026-03-01 → 2026-07-17 · 2 obs

● 2026-03-01 17:07:32
● 2026-07-17 10:23:24

●A195.208.243.72026-03-01 → 2026-07-17 · 2 obs

● 2026-03-01 17:07:32
● 2026-07-17 10:23:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
rsu.ru	ns.r61.net, ns.runnet.ru, ns2.r61.net	1 record

✅ Authoritative Response

Server:194.85.32.18

NS records: ns.r61.net, ns.runnet.ru, ns2.r61.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1257ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.208.243.7`
MX	1	`emx.mail.ru (pri: 20)`
TXT	1	`v=spf1 redirect=_spf.mail.ru`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.runnet.ru)

Analysis

IP Addresses

cppis.rsu.ru points to a single IP number: 195.208.243.7.

Mail Servers

cppis.rsu.ru has one mail server: emx.mail.ru.

cppis.rsu.ru shares the same mail server setup as other domains, including the-o.ru, ordvor.ru, missspb.ru and two others.

cppis.rsu.ru shares at least some of its mail servers with other domains, such as avtopavilion.ru and exproton.ru.

emx.mail.ru points to two IP addresses: 94.100.180.180 and 217.69.139.180.