`complexsystems.ru`

DNSSEC	⚠️ Not signed
A	91.189.114.12^{🇷🇺 RU-CENTER91.189.114.0/23 RU-NIC-HOSTING}
		PTR	`wcarp.hosting.nic.ru`
NS	`ns3-l2.nic.ru` ⭐
		A	193.232.146.1^{🇷🇺 RU-CENTER193.232.146.0/24 -NETWORK}
			PTR	`ns3-l2.nic.ru`
NS	`ns4-cloud.nic.ru`
		A	89.104.93.30^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
			PTR	`ip-89-104-93-30.defastlink.net`
		A	89.104.93.33^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
			PTR	`ip-89-104-93-33.defastlink.net`
		A	89.104.93.34^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
			PTR	`ip-89-104-93-34.defastlink.net`
		A	89.104.95.30^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
			PTR	`ip-89-104-95-30.defastlink.net`
		A	89.104.95.33^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
			PTR	`ip-89-104-95-33.defastlink.net`
		A	89.104.95.34^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
			PTR	`ip-89-104-95-34.defastlink.net`
NS	`ns4-l2.nic.ru`
		A	91.217.20.20^{🇷🇺 RU-CENTER91.217.20.0/24}
			PTR	`ns4-l2.nic.ru`
NS	`ns8-cloud.nic.ru`
		A	89.104.93.31^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
			PTR	`ip-89-104-93-31.defastlink.net`
		A	89.104.93.35^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
			PTR	`ip-89-104-93-35.defastlink.net`
		A	89.104.93.36^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
			PTR	`ip-89-104-93-36.defastlink.net`
		A	89.104.95.31^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
			PTR	`ip-89-104-95-31.defastlink.net`
		A	89.104.95.35^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
			PTR	`ip-89-104-95-35.defastlink.net`
		A	89.104.95.36^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
			PTR	`ip-89-104-95-36.defastlink.net`
NS	`ns8-l2.nic.ru`
		A	91.217.21.20^{🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER}
			PTR	`ns8-l2.nic.ru`
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}
			PTR	`emx.mail.ru`
TXT	`v=spf1 redirect=_spf.mail.ru`
SOA	`ns3-l2.nic.ru`dns@nic.ru 2023-05-17 #20

`ru`

	DNSSEC	⚠️ Not signed
	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=4067830

Previously MX for

complexsystems.ru

Same first word

complexsystems.com

complexsystems.de

complexsystems.fail

complexsystems.net.au

complexsystems.ru

DNS History

15 records (7 active, 8 former)

○NSns1.arbatek.ru2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 00:16:32
● 2016-12-02 23:22:34
○ 2018-06-21 14:58:48
○ 2026-03-09 13:45:26

○NSns1.hc.ru2018-06-21 → 2018-06-21 · 4 obs

○ 2016-12-02 23:22:34
● 2018-06-21 14:58:48
○ 2026-03-09 08:26:28
○ 2026-03-09 13:45:26

○NSns2.arbatek.ru2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 00:16:32
● 2016-12-02 23:22:34
○ 2018-06-21 14:58:48
○ 2026-03-09 13:45:26

○NSns2.hc.ru2018-06-21 → 2018-06-21 · 4 obs

○ 2016-12-02 23:22:34
● 2018-06-21 14:58:48
○ 2026-03-09 08:26:28
○ 2026-03-09 13:45:26

●NSns3-l2.nic.ru2026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

●NSns4-cloud.nic.ru2026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

●NSns4-l2.nic.ru2026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

●NSns8-cloud.nic.ru2026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

●NSns8-l2.nic.ru2026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

○MXcomplexsystems.ru2015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 00:16:32
● 2016-12-02 23:22:34
○ 2018-06-21 14:58:48
○ 2026-03-09 13:45:26

●MXemx.mail.ru2026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

○MXmx.yandex.net2018-06-21 → 2018-06-21 · 4 obs

○ 2016-12-02 23:22:34
● 2018-06-21 14:58:48
○ 2026-03-09 08:26:28
○ 2026-03-09 13:45:26

○A89.111.177.1692015-07-03 → 2016-12-02 · 4 obs

● 2015-07-03 00:16:32
● 2016-12-02 23:22:34
○ 2018-06-21 14:58:48
○ 2026-03-09 13:45:26

○A89.111.178.142018-06-21 → 2018-06-21 · 4 obs

○ 2016-12-02 23:22:34
● 2018-06-21 14:58:48
○ 2026-03-09 08:26:28
○ 2026-03-09 13:45:26

●A91.189.114.122026-03-09 → 2026-03-09 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-09 13:45:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
complexsystems.ru	ns8-cloud.nic.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru...	19 records

✅ Authoritative Response

Server: 89.104.93.30

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for complexsystems.ru (unsigned zone)

⏱️ Timing

Total: 966ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.189.114.12`
NS	5	`ns3-l2.nic.ru, ns4-l2.nic.ru...`
MX	1	`emx.mail.ru (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.mail.ru`
SOA	1	`ns3-l2.nic.ru dns.nic.ru`

📌 Glue Records Collected

Total: 19

Out-of-bailiwick: 19 (ns8-cloud.nic.ru, ns8-cloud.nic.ru, ns8-cloud.nic.ru...)

Analysis

IP Addresses

complexsystems.ru maps to IP address 91.189.114.12.

Other host names, for instance brh.ru, electroas.ru, ranarana.ru, hertz.energy and code-s.ru share IP numbers with complexsystems.ru.

Name Servers

complexsystems.ru delegates to five name servers: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru and ns8-l2.nic.ru.

complexsystems.ru at least partially shares name servers with other domains such as mgimo.ru, soto.ru, multivox.ru, ranepa.ru and tig-ra.ru.

these name servers are commonly used with the name servers ns3.nic.ru.

Host names with six IP numbers:

ns4-cloud.nic.ru points to: 89.104.93.30, 89.104.93.33, 89.104.93.34, 89.104.95.30, 89.104.95.33 and 89.104.95.34.

ns8-cloud.nic.ru points to: 89.104.93.31, 89.104.93.35, 89.104.93.36, 89.104.95.31, 89.104.95.35 and 89.104.95.36.

Host names with one IP number:

ns3-l2.nic.ru points to: 193.232.146.1.

ns4-l2.nic.ru points to: 91.217.20.20.

ns8-l2.nic.ru points to: 91.217.21.20.

Mail Servers

complexsystems.ru is handled by a single mail server, emx.mail.ru.

complexsystems.ru shares the same mail server setup as other domains, including teboil-oil.ru, iperon.net, 7778007.ru, greenlinux.ru and mobexparts.com.

complexsystems.ru shares mail servers with other domains at least in part, for instance tradetelecom.ru, enercom.org, garms.ru, trubakazan.ru and veha.ru.

Host name emx.mail.ru points to IPs 94.100.180.180 and 217.69.139.180.

complexsystems.ru - robtex.com