complexsystems.ru - dns.ninja

`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}
		A	89.104.93.33^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.93.34^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.95.30^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.33^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.34^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
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}
		A	89.104.93.35^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.93.36^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.95.31^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.35^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.36^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
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	🔒 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=4069330

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
○ 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

●NSns3-l2.nic.ru2026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

●NSns4-cloud.nic.ru2026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

●NSns4-l2.nic.ru2026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

●NSns8-cloud.nic.ru2026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

●NSns8-l2.nic.ru2026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

●MXemx.mail.ru2026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

○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
○ 2026-06-21 03:11:38

●A91.189.114.122026-03-09 → 2026-06-21 · 3 obs

○ 2018-06-21 14:58:48
● 2026-03-09 08:26:28
● 2026-06-21 03:11:38

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:91.217.21.20

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for complexsystems.ru (unsigned zone)

⏱️ Timing

Total: 926ms | 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 resolves to just one IP address, 91.189.114.12.

Two other host names, along with brh.ru, inthemelab.com and electroas.ru, also 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 and two others.

complexsystems.ru has at least partial name server overlap with other domains, such as mgimo.ru, soto.ru, multivox.ru and two others.

These name servers tend to appear together with the name servers ns8-l2.nic.ru, ns8-cloud.nic.ru and ns3.nic.ru.

DNS names with 6 IP addresses:

ns4-cloud.nic.ru has IP addresses 89.104.93.30, 89.104.93.33 and 89.104.93.34, plus 3 other.

ns8-cloud.nic.ru has IP addresses 89.104.93.31, 89.104.93.35 and 89.104.93.36, plus 3 other.

Host names that point to one IP address:

ns3-l2.nic.ru directs to 193.232.146.1.

ns4-l2.nic.ru directs to 91.217.20.20.

ns8-l2.nic.ru directs to 91.217.21.20.

Mail Servers

The sole mail server for complexsystems.ru is emx.mail.ru.

Among the domains sharing a mail server setup with complexsystems.ru are teboil-oil.ru, iperon.net, 7778007.ru and two others.

At least some of complexsystems.ru's mail servers are shared with other domains, among them enercom.org, nauchsoft.by, garms.ru and trubakazan.ru.

emx.mail.ru has two IP addresses: 94.100.180.180 and 217.69.139.180.