`strong40.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:d74^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a7ee^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.116^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.238^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`milan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c15^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c315^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`milan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2315^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`milan.ns.cloudflare.com`
		A	108.162.195.21^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
		A	162.159.44.21^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
		A	172.64.35.21^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
NS	`tess.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.13.116, 172.67.167.238
		IPv6	2606:4700:3037::6815:d74, 2606:4700:3037::ac43:a7ee
SOA	`milan.ns.cloudflare.com`dns@cloudflare.com serial=2394015618

`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

rank #391471 globally
rank #13685 in the tld

Same first word

strong40.ru

Similar names

40strong.com

DNS History

15 records (6 active, 9 former)

●NSmilan.ns.cloudflare.com2026-03-02 → 2026-03-02 · 3 obs

○ 2016-11-19 09:09:24
● 2026-03-02 01:32:42
● 2026-03-02 01:32:44

○NSns.hostland.ru2015-05-06 → 2016-11-19 · 4 obs

● 2015-05-06 01:05:58
● 2016-11-19 09:09:24
○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

○NSns3.hostland.ru2015-05-06 → 2016-11-19 · 4 obs

● 2015-05-06 01:05:58
● 2016-11-19 09:09:24
○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

●NStess.ns.cloudflare.com2026-03-02 → 2026-03-02 · 3 obs

○ 2016-11-19 09:09:24
● 2026-03-02 01:32:42
● 2026-03-02 01:32:44

○MXmail.strong40.ru2015-05-06 → 2016-11-19 · 4 obs

● 2015-05-06 01:05:58
● 2016-11-19 09:09:24
○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

●A104.21.13.1162026-03-02 → 2026-03-02 · 3 obs

○ 2016-11-19 09:09:24
● 2026-03-02 01:32:42
● 2026-03-02 01:32:44

●A172.67.167.2382026-03-02 → 2026-03-02 · 3 obs

○ 2016-11-19 09:09:24
● 2026-03-02 01:32:42
● 2026-03-02 01:32:44

○A185.26.122.2122015-05-06 → 2016-04-06 · 4 obs

● 2015-05-06 01:05:58
● 2016-04-06 14:18:38
○ 2016-11-19 09:09:24
○ 2026-03-02 01:32:44

○A185.26.122.522016-11-19 → 2016-11-19 · 4 obs

○ 2016-04-06 14:18:38
● 2016-11-19 09:09:24
○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

○A188.114.96.02026-03-02 → 2026-03-02 · 2 obs

○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

○A188.114.97.02026-03-02 → 2026-03-02 · 2 obs

○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

●A2606:4700:3037::6815:d742026-03-02 → 2026-03-02 · 3 obs

○ 2016-11-19 09:09:24
● 2026-03-02 01:32:42
● 2026-03-02 01:32:44

●A2606:4700:3037::ac43:a7ee2026-03-02 → 2026-03-02 · 3 obs

○ 2016-11-19 09:09:24
● 2026-03-02 01:32:42
● 2026-03-02 01:32:44

○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 2 obs

○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 2 obs

○ 2026-03-02 01:32:42
○ 2026-03-02 01:32:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net...	-
strong40.ru	tess.ns.cloudflare.com, milan.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.32.227

NS records: tess.ns.cloudflare.com, milan.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at strong40.ru: Error: DNS query timeout: 194.190.124.17 for DS strong40.ru

⏱️ Timing

Total: 3533ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.116, 172.67.167.238`
AAAA	2	`2606:4700:3037::ac43:a7ee, 2606:4700:3037::6815:d74`
NS	2	`milan.ns.cloudflare.com, tess.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`milan.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

strong40.ru points to four IP numbers: 2606:4700:3037::6815:d74, 2606:4700:3037::ac43:a7ee, 104.21.13.116 and 172.67.167.238.

Other host names, for instance jackjackpot.us, drugrehabnorthdakota.com, erpbio.com, harmonyitapema.com.br and 1tonne.co.nz share IP numbers with strong40.ru.

Name Servers

strong40.ru's delegation is to two name servers milan.ns.cloudflare.com and tess.ns.cloudflare.com.

strong40.ru shares the same name server configuration as other domains, such as leftlanetrading.com, fenosteride.com, babovebasis.xyz, infinitypoolcontractors.com and standingstonebrewing.com.

strong40.ru at least partially shares its name servers with other domains, for instance intravpn.com, lrl.life, youku4.com, mega888play.com and ibommatamil.com.

These name servers are often used together with the name servers ben.ns.cloudflare.com.

Host names with six IP numbers:

milan.ns.cloudflare.com points to: 2606:4700:58::a29f:2c15, 2803:f800:50::6ca2:c315, 2a06:98c1:50::ac40:2315, 108.162.195.21, 162.159.44.21 and 172.64.35.21.

tess.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae3, 2803:f800:50::6ca2:c0e3, 2a06:98c1:50::ac40:20e3, 108.162.192.227, 172.64.32.227 and 173.245.58.227.

strong40.ru - robtex.com

strong40.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`strong40.ru`

`ru`