`centrnko.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8cf1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1b1b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.27^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.241^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`davina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2628^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c228^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`davina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2228^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`davina.ns.cloudflare.com`
		A	108.162.194.40^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
		A	162.159.38.40^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
		A	172.64.34.40^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
NS	`nitin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nitin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nitin.ns.cloudflare.com`
		A	108.162.193.215^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	172.64.33.215^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	173.245.59.215^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.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 hints	104.21.27.27, 172.67.140.241
		IPv6 hints	2606:4700:3031::ac43:8cf1, 2606:4700:3037::6815:1b1b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`davina.ns.cloudflare.com`dns@cloudflare.com serial=2401455791

`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=4068860

Subdomains

mail.centrnko.ru

Same first word

centrnko.ru

Similar names

rocktenn.com

konnectr.com

kronnect.me

trocknen.at

rocktenn.biz

trocknen.ch

ncrtoken.com

kronnect.com

nnorteck.blogspot.com.es

konnectr.co

rocktenn.org

trocknen.com

nocktern.com

DNS History

15 records (7 active, 8 former)

●NSdavina.ns.cloudflare.com2026-05-13 → 2026-05-13 · 3 obs

○ 2018-07-01 18:16:12
● 2026-05-13 12:04:24
● 2026-05-13 15:33:46

○NSdns1.yandex.net2018-07-01 → 2018-07-01 · 4 obs

○ 2016-12-30 03:10:32
● 2018-07-01 18:16:12
○ 2026-05-13 12:04:24
○ 2026-05-13 15:33:46

○NSdns2.yandex.net2018-07-01 → 2018-07-01 · 4 obs

○ 2016-12-30 03:10:32
● 2018-07-01 18:16:12
○ 2026-05-13 12:04:24
○ 2026-05-13 15:33:46

●NSnitin.ns.cloudflare.com2026-05-13 → 2026-05-13 · 3 obs

○ 2018-07-01 18:16:12
● 2026-05-13 12:04:24
● 2026-05-13 15:33:46

○NSns1.3bl.ru2015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 04:56:44
● 2016-12-30 03:10:32
○ 2018-07-01 18:16:12
○ 2026-05-13 15:33:46

○NSns2.3bl.ru2015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 04:56:44
● 2016-12-30 03:10:32
○ 2018-07-01 18:16:12
○ 2026-05-13 15:33:46

○MXmail.centrnko.ru2015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 04:56:44
● 2016-12-30 03:10:32
○ 2018-07-01 18:16:12
○ 2026-05-13 15:33:46

●MXmx.yandex.net2018-07-01 → 2026-05-13 · 3 obs

○ 2016-12-30 03:10:32
● 2018-07-01 18:16:12
● 2026-05-13 15:33:46

●A104.21.27.272026-05-13 → 2026-05-13 · 3 obs

○ 2018-07-01 18:16:12
● 2026-05-13 12:04:24
● 2026-05-13 15:33:46

●A172.67.140.2412026-05-13 → 2026-05-13 · 3 obs

○ 2018-07-01 18:16:12
● 2026-05-13 12:04:24
● 2026-05-13 15:33:46

●A2606:4700:3031::ac43:8cf12026-05-13 → 2026-05-13 · 3 obs

○ 2018-07-01 18:16:12
● 2026-05-13 12:04:24
● 2026-05-13 15:33:46

●A2606:4700:3037::6815:1b1b2026-05-13 → 2026-05-13 · 3 obs

○ 2018-07-01 18:16:12
● 2026-05-13 12:04:24
● 2026-05-13 15:33:46

○A62.152.35.1882015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 04:56:44
○ 2015-11-16 05:00:42
○ 2026-05-13 15:33:46

○A82.202.209.672018-07-01 → 2018-07-01 · 4 obs

○ 2016-12-30 03:10:32
● 2018-07-01 18:16:12
○ 2026-05-13 12:04:24
○ 2026-05-13 15:33:46

○A83.217.8.1182015-11-16 → 2016-12-30 · 5 obs

○ 2015-06-27 04:56:44
● 2015-11-16 05:00:42
● 2016-12-30 03:10:32
○ 2018-07-01 18:16:12
○ 2026-05-13 15:33:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
centrnko.ru	nitin.ns.cloudflare.com, davina.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.40

NS records: nitin.ns.cloudflare.com, davina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrnko.ru (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.140.241, 104.21.27.27`
AAAA	2	`2606:4700:3037::6815:1b1b, 2606:4700:3031::ac43:8cf1`
NS	2	`davina.ns.cloudflare.com, nitin.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	`davina.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

centrnko.ru is the parent of mail.centrnko.ru.

IP Addresses

centrnko.ru points to four IP numbers: 2606:4700:3031::ac43:8cf1, 2606:4700:3037::6815:1b1b, 104.21.27.27 and 172.67.140.241.

Other host names including pakjpselalu.com, ttgpetsh.com, xrpsw.app, theprogrammingway.com and rpc.interoperability.institute share IP numbers with centrnko.ru.

Name Servers

centrnko.ru's delegation uses two name servers, davina.ns.cloudflare.com and nitin.ns.cloudflare.com.

centrnko.ru shares the same name server setup as other domains, for example attacker.ru, thearchlondon.com, moza.ru, artiart.ru and 709tech.com.

centrnko.ru at least partially shares name servers with other domains, including bydey.com, trockmedia.com, cn-yifu.com, 77bbvip2.com and lordfilm-b.lat.

these name servers are commonly used with logan.ns.cloudflare.com, troy.ns.cloudflare.com, cass.ns.cloudflare.com and seth.ns.cloudflare.com.

Host names with six IP numbers:

davina.ns.cloudflare.com points to: 2606:4700:50::a29f:2628, 2803:f800:50::6ca2:c228, 2a06:98c1:50::ac40:2228, 108.162.194.40, 162.159.38.40 and 172.64.34.40.

nitin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd7, 2803:f800:50::6ca2:c1d7, 2a06:98c1:50::ac40:21d7, 108.162.193.215, 172.64.33.215 and 173.245.59.215.

Mail Servers

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

centrnko.ru shares its mail server setup with other domains, including emtofis.com, solomasov.net, yssozelguvenlik.com.tr, wedraw.ru and audit2020.ru.

centrnko.ru shares some mail servers with other domains, at least partially, for instance sklp.biz.

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

centrnko.ru - robtex.com

centrnko.ru

ru

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`centrnko.ru`

`ru`