`rubrain.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:9595^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:ba4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.164^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.149^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bristol.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bristol.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bristol.ns.cloudflare.com`
		A	108.162.194.47^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	162.159.38.47^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
		A	172.64.34.47^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bristol.ns.cloudflare.com`
NS	`emerson.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c360^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emerson.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2360^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emerson.ns.cloudflare.com`
		A	108.162.195.96^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	162.159.44.96^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
		A	172.64.35.96^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emerson.ns.cloudflare.com`
MX	`mx.yandex.net` ⭐
		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`
TXT	`v=spf1 redirect=_spf.yandex.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.11.164, 172.67.149.149
		IPv6	2606:4700:3036::ac43:9595, 2606:4700:3037::6815:ba4
SOA	`bristol.ns.cloudflare.com`dns@cloudflare.com serial=2398583991

`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=4068331

Same first word

rubrain.com

rubrain.ru

Similar names

rubinar.com

brunari.com

urbrain.ch

brunair.de

brianur.info

rrubina.com

arunbir.com

burnair.cloud

brainru.com

nirubar.com

DNS History

10 records (7 active, 3 former)

●NSbristol.ns.cloudflare.com2026-03-10 → 2026-03-30 · 3 obs

○ 2018-08-19 04:03:54
● 2026-03-10 19:21:20
● 2026-03-30 15:22:14

○NSdns1.yandex.net2015-08-18 → 2018-08-19 · 4 obs

● 2015-08-18 05:29:54
● 2018-08-19 04:03:54
○ 2026-03-10 19:21:20
○ 2026-03-30 15:22:14

○NSdns2.yandex.net2015-08-18 → 2018-08-19 · 4 obs

● 2015-08-18 05:29:54
● 2018-08-19 04:03:54
○ 2026-03-10 19:21:20
○ 2026-03-30 15:22:14

●NSemerson.ns.cloudflare.com2026-03-10 → 2026-03-30 · 3 obs

○ 2018-08-19 04:03:54
● 2026-03-10 19:21:20
● 2026-03-30 15:22:14

●MXmx.yandex.net2015-08-18 → 2026-03-30 · 2 obs

● 2015-08-18 05:29:54
● 2026-03-30 15:22:14

●A104.21.11.1642026-03-10 → 2026-03-30 · 3 obs

○ 2018-08-19 04:03:54
● 2026-03-10 19:21:20
● 2026-03-30 15:22:14

○A144.76.56.692015-08-18 → 2018-08-19 · 4 obs

● 2015-08-18 05:29:54
● 2018-08-19 04:03:54
○ 2026-03-10 19:21:20
○ 2026-03-30 15:22:14

●A172.67.149.1492026-03-10 → 2026-03-30 · 3 obs

○ 2018-08-19 04:03:54
● 2026-03-10 19:21:20
● 2026-03-30 15:22:14

●A2606:4700:3036::ac43:95952026-03-10 → 2026-03-30 · 3 obs

○ 2018-08-19 04:03:54
● 2026-03-10 19:21:20
● 2026-03-30 15:22:14

●A2606:4700:3037::6815:ba42026-03-10 → 2026-03-30 · 3 obs

○ 2018-08-19 04:03:54
● 2026-03-10 19:21:20
● 2026-03-30 15:22:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
rubrain.ru	bristol.ns.cloudflare.com, emerson.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.96

NS records: bristol.ns.cloudflare.com, emerson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rubrain.ru (unsigned zone)

⏱️ Timing

Total: 1932ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.149, 104.21.11.164`
AAAA	2	`2606:4700:3037::6815:ba4, 2606:4700:3036::ac43:9595`
NS	2	`bristol.ns.cloudflare.com, emerson.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.yandex.net`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bristol.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

rubrain.ru maps to four IP numbers: 2606:4700:3036::ac43:9595, 2606:4700:3037::6815:ba4, 104.21.11.164 and 172.67.149.149.

Other host names, for instance jolig.com, abacenter.org, www.gxyfdq.com, www.assessprep.cn and dds24.com share IP numbers with rubrain.ru.

Name Servers

Two name servers bristol.ns.cloudflare.com and emerson.ns.cloudflare.com are delegated to rubrain.ru.

rubrain.ru uses the same name server configuration as other domains, such as smartbrain.io, innovosales.com, crashpixel.dev, kibro.com and everyiota.com.

rubrain.ru at least partially shares name servers with other domains such as spielkostenlos.net, 0731av.com, hvar.no, sybeidingdiban.com and edmcasting.com.

These name servers are commonly used with nia.ns.cloudflare.com and dakota.ns.cloudflare.com.

Host names with six IP numbers: Host name bristol.ns.cloudflare.com points to 2606:4700:50::a29f:262f, 2803:f800:50::6ca2:c22f, 2a06:98c1:50::ac40:222f, 108.162.194.47, 162.159.38.47 and 172.64.34.47; host name emerson.ns.cloudflare.com points to 2606:4700:58::a29f:2c60, 2803:f800:50::6ca2:c360, 2a06:98c1:50::ac40:2360, 108.162.195.96, 162.159.44.96 and 172.64.35.96.

Mail Servers

rubrain.ru is handled by a single mail server, mx.yandex.net.

rubrain.ru shares the same mail server setup as other domains, including danistedarik.com.tr, rabbitholed.ru, cafesedirberjer.com, bonipa.com and hankook-warranty.ru.

rubrain.ru shares mail servers with other domains at least in part, for instance www.red-line.ru, geo607.ru, trendcar.ru, sosyazilim.com and novopack.kz.

these mail servers are commonly used alongside the mail servers mx.yandex.ru.

Host name mx.yandex.net points to IPs 2a02:6b8::311 and 77.88.21.249.

rubrain.ru - robtex.com

rubrain.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`rubrain.ru`

`ru`