`prof-sr.ru`

DNSSEC	⚠️ Not signed
A	89.253.251.13^{🇷🇺 RUSONYX-AS89.253.248.0/21 RUSONYX-RU}
		PTR	`aero-pn6.rusonyx.ru`
NS	`ns3.caravan.ru` ⭐
		A	89.253.192.17^{🇷🇺 RUSONYX-AS89.253.192.0/21 RUSONYX-RU}
			PTR	`ns3.caravan.ru`
NS	`ns4.caravan.ru`
		A	89.253.192.15^{🇷🇺 RUSONYX-AS89.253.192.0/21 RUSONYX-RU}
			PTR	`ns4.caravan.ru`
MX	`mx.yandex.ru` ⭐
		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`
SOA	`ns3.caravan.ru`m-diver@mail.ru serial=69699

`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=4068491

WOT: SAFE (78/100)

Previously MX for

prof-sr.ru

Subdomains

www.prof-sr.ru

Same first word

prof-sr.ru

Similar names

sfr-pro.net

DNS History

8 records (4 active, 4 former)

●NSns3.caravan.ru2015-08-06 → 2026-04-12 · 2 obs

● 2015-08-06 14:17:26
● 2026-04-12 20:07:18

●NSns4.caravan.ru2015-08-06 → 2026-04-12 · 2 obs

● 2015-08-06 14:17:26
● 2026-04-12 20:07:18

○MXemx.mail.ru2015-08-06 → 2016-02-23 · 4 obs

● 2015-08-06 14:17:26
● 2016-02-23 20:49:32
○ 2016-04-01 03:41:48
○ 2026-04-12 20:07:18

●MXmx.yandex.ru2016-08-21 → 2026-04-12 · 3 obs

○ 2016-06-19 13:32:32
● 2016-08-21 09:53:26
● 2026-04-12 20:07:18

○MXprof-sr.ru2016-04-01 → 2016-06-19 · 5 obs

○ 2016-02-23 20:49:32
● 2016-04-01 03:41:48
● 2016-06-19 13:32:32
○ 2016-08-21 09:53:26
○ 2026-04-12 20:07:18

○A185.48.237.1912015-08-06 → 2016-04-01 · 4 obs

● 2015-08-06 14:17:26
● 2016-04-01 03:41:48
○ 2016-06-19 13:32:32
○ 2026-04-12 20:07:18

○A62.213.78.1012016-06-19 → 2020-03-10 · 5 obs

○ 2016-04-01 03:41:48
● 2016-06-19 13:32:32
● 2020-03-10 23:45:54
○ 2026-02-18 00:37:06
○ 2026-04-12 20:07:18

●A89.253.251.132026-02-18 → 2026-04-12 · 3 obs

○ 2020-03-10 23:45:54
● 2026-02-18 00:37:06
● 2026-04-12 20:07:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...	-
prof-sr.ru	ns3.caravan.ru, ns4.caravan.ru	2 records

✅ Authoritative Response

Server:89.253.192.15

NS records: ns3.caravan.ru, ns4.caravan.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prof-sr.ru (unsigned zone)

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.253.251.13`
NS	2	`ns4.caravan.ru, ns3.caravan.ru`
MX	1	`mx.yandex.ru (pri: 10)`
SOA	1	`ns3.caravan.ru m-diver.mail.ru`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.caravan.ru, ns3.caravan.ru)

Analysis

Hierarchy

prof-sr.ru is the parent of www.prof-sr.ru.

IP Addresses

prof-sr.ru points to a single IP number: 89.253.251.13.

other host names for instance mail.brikisa.ru, mail.fin-audit.ru, language.oflameron.ru, web.oflameron.ru and mail.abpsoft.ru share IP numbers with prof-sr.ru.

Name Servers

prof-sr.ru is delegated to two name servers: ns3.caravan.ru and ns4.caravan.ru.

prof-sr.ru shares the same name server setup as other domains, for example studioprana.ru, kotdazur.ru, rusroyal.ru, salonvrn.ru and brikisa.ru.

prof-sr.ru partially shares name servers with other domains, for instance xstv.org, ifdom.ru and wellyou.ru.

Host names with one IP number:

The host ns3.caravan.ru points to 89.253.192.17 and the host ns4.caravan.ru points to 89.253.192.15.

Mail Servers

prof-sr.ru is handled by a single mail server, mx.yandex.ru.

prof-sr.ru shares the same mail server setup as other domains, for instance 3ym.ru, ecurepair.ru, vanna-anna.ru, vegalab.ru and isvov.ru.

prof-sr.ru shares mail servers with other domains at least partially, including lpcentr.ru, impress.ru, buran21.ru, disite.ru and rostok23.ru.

these mail servers are commonly used alongside mx.yandex.net.

Host mx.yandex.ru resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.

prof-sr.ru - robtex.com

prof-sr.ru

ru