`profengineering.ru`

DNSSEC	⚠️ Not signed
A	37.143.11.11^{🇷🇺 EUROBYTE37.143.10.0/23}
		PTR	`vip-h6.ihc.ru`
NS	`ns1.ihc.ru` ⭐
		A	2a03:c980:beef:6002:46:254:23:52^{🇷🇺 EUROBYTE2a03:c980:beef::/48}
			PTR	`ns1.ihc.ru`
		A	46.254.23.52^{🇷🇺 EUROBYTE46.254.23.0/24}
			PTR	`ns1.ihc.ru`
NS	`ns2.ihc.ru`
		A	2001:41d0:1008:2c3b::1^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`ns2.ihc.ru`
		A	46.254.22.38^{🇷🇺 EUROBYTE46.254.22.0/24}
			PTR	`ns1.ihc.ru`
		A	91.121.54.18^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`ns2.ihc.ru`
MX	`mail.profengineering.ru` ⭐
		A	2a03:c980:dead:2a01:46:254:21:39^{🇷🇺 EUROBYTE2a03:c980:dead::/48}
			PTR	`vip-mail1.ihc.ru`
		A	46.254.21.39^{🇷🇺 EUROBYTE46.254.20.0/23}
			PTR	`vip-mail1.ihc.ru`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.ihc.ru`info@ihc.ru 2022-03-22 #1

`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=4069208

Subdomains

mail.profengineering.ru

Same first word

profengineering.info

profengineering.com

profengineering.ru

profengineering.net

Similar names

engineeringprof.com

DNS History

20 records (4 active, 16 former)

○NSdns1.dra.ru2016-03-18 → 2017-05-16 · 5 obs

○ 2015-12-10 19:22:02
● 2016-03-18 14:59:56
● 2017-05-16 15:30:44
○ 2026-03-03 08:53:20
○ 2026-06-10 23:31:40

○NSdns2.dra.ru2016-03-18 → 2017-05-16 · 5 obs

○ 2015-12-10 19:22:02
● 2016-03-18 14:59:56
● 2017-05-16 15:30:44
○ 2026-03-03 08:53:20
○ 2026-06-10 23:31:40

●NSns1.ihc.ru2026-03-03 → 2026-06-10 · 3 obs

○ 2017-05-16 15:30:44
● 2026-03-03 08:53:20
● 2026-06-10 23:31:40

○NSns1.plus.ru2008-11-26 → 2008-11-26 · 3 obs

● 2008-11-26 04:01:14
○ 2015-05-23 05:56:56
○ 2026-06-10 23:31:40

○NSns1.spaceweb.ru2015-05-23 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-05-23 05:56:56
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

●NSns2.ihc.ru2026-03-03 → 2026-06-10 · 3 obs

○ 2017-05-16 15:30:44
● 2026-03-03 08:53:20
● 2026-06-10 23:31:40

○NSns2.plus.ru2008-11-26 → 2008-11-26 · 3 obs

● 2008-11-26 04:01:14
○ 2015-05-23 05:56:56
○ 2026-06-10 23:31:40

○NSns2.spaceweb.ru2015-05-23 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-05-23 05:56:56
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

○NSns3.spaceweb.pro2015-10-10 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-10-10 21:40:44
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

○NSns4.spaceweb.pro2015-10-10 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-10-10 21:40:44
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

○NSsrv.dra.ru2016-03-18 → 2017-05-16 · 5 obs

○ 2015-12-10 19:22:02
● 2016-03-18 14:59:56
● 2017-05-16 15:30:44
○ 2026-03-03 08:53:20
○ 2026-06-10 23:31:40

●MXmail.profengineering.ru2008-11-26 → 2026-06-10 · 5 obs

● 2008-11-26 04:01:14
○ 2015-05-23 05:56:56
○ 2017-05-16 15:30:44
● 2026-03-03 08:53:20
● 2026-06-10 23:31:40

○MXmx.yandex.net2017-05-16 → 2017-05-16 · 4 obs

○ 2016-08-10 12:21:04
● 2017-05-16 15:30:44
○ 2026-03-03 08:53:20
○ 2026-06-10 23:31:40

○MXmx.yandex.ru2016-03-18 → 2016-08-10 · 5 obs

○ 2015-12-10 19:22:02
● 2016-03-18 14:59:56
● 2016-08-10 12:21:04
○ 2017-05-16 15:30:44
○ 2026-06-10 23:31:40

○MXmx1.spaceweb.ru2015-05-23 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-05-23 05:56:56
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

○MXmx2.spaceweb.ru2015-05-23 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-05-23 05:56:56
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

○A178.32.252.1332016-03-18 → 2017-05-16 · 5 obs

○ 2015-12-10 19:22:02
● 2016-03-18 14:59:56
● 2017-05-16 15:30:44
○ 2026-03-03 08:53:20
○ 2026-06-10 23:31:40

○A217.112.35.512008-11-26 → 2008-11-26 · 3 obs

● 2008-11-26 04:01:14
○ 2015-05-23 05:56:56
○ 2026-06-10 23:31:40

●A37.143.11.112026-03-03 → 2026-06-10 · 3 obs

○ 2017-05-16 15:30:44
● 2026-03-03 08:53:20
● 2026-06-10 23:31:40

○A77.222.61.142015-05-23 → 2015-12-10 · 5 obs

○ 2008-11-26 04:01:14
● 2015-05-23 05:56:56
● 2015-12-10 19:22:02
○ 2016-03-18 14:59:56
○ 2026-06-10 23:31:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
profengineering.ru	ns1.ihc.ru, ns2.ihc.ru	5 records

✅ Authoritative Response

Server:46.254.23.52

NS records: ns1.ihc.ru, ns2.ihc.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for profengineering.ru (unsigned zone)

⏱️ Timing

Total: 2112ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.143.11.11`
NS	2	`ns2.ihc.ru, ns1.ihc.ru`
MX	1	`mail.profengineering.ru (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.ihc.ru info.ihc.ru`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.ihc.ru, ns2.ihc.ru, ns2.ihc.ru...)

Analysis

Hierarchy

profengineering.ru is a parent domain of mail.profengineering.ru.

IP Addresses

profengineering.ru points to a single IP number: 37.143.11.11.

Additional host names — gr-stroy.ru, v-center.ru, mtrack.ru and two others — share IP numbers with profengineering.ru.

Name Servers

Two name servers handle the delegation for profengineering.ru: ns1.ihc.ru and ns2.ihc.ru.

profengineering.ru shares its name server setup with other domains, including klubkov.ru, infisoft.ru, pro-ventilation.ru and two others.

Host names with three IP numbers:

The hostname ns2.ihc.ru points to 46.254.22.38, 91.121.54.18 and 2001:41d0:1008:2c3b::1.

Host names with two IP numbers:

ns1.ihc.ru resolves to two addresses: 46.254.23.52 and 2a03:c980:beef:6002:46:254:23:52.

Mail Servers

profengineering.ru has one mail server: mail.profengineering.ru.

mail.profengineering.ru points to two IP addresses: 46.254.21.39 and 2a03:c980:dead:2a01:46:254:21:39.

profengineering.ru - robtex.com