`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
○ 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

●NSns3-l2.nic.ru2026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

●NSns4-cloud.nic.ru2026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

●NSns4-l2.nic.ru2026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

●NSns8-cloud.nic.ru2026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

●NSns8-l2.nic.ru2026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

●MXemx.mail.ru2026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

○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
○ 2026-03-10 00:32:32

●A91.189.114.122026-03-09 → 2026-03-10 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-03-10 00:32:32

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server: 91.217.20.20

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for complexsystems.ru (unsigned zone)

⏱️ Timing

Total: 1222ms | 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 points to a single IP: 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 is delegated 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 partially shares name servers with other domains; examples include 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 has the same mail server setup as other domains, including teboil-oil.ru, iperon.net, 7778007.ru, greenlinux.ru and mobexparts.com.

complexsystems.ru shares some mail servers with other domains at least partially, for example tradetelecom.ru, enercom.org, garms.ru and trubakazan.ru.

Host emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.

complexsystems.ru - robtex.com