`proschool4.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bb84^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:73d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.61^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.132^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kenneth.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c29^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenneth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c329^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kenneth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2329^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kenneth.ns.cloudflare.com`
		A	108.162.195.41^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenneth.ns.cloudflare.com`
		A	162.159.44.41^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenneth.ns.cloudflare.com`
		A	172.64.35.41^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kenneth.ns.cloudflare.com`
NS	`meadow.ns.cloudflare.com`
		A	2606:4700:50::a29f:2633^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c233^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meadow.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2233^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meadow.ns.cloudflare.com`
		A	108.162.194.51^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	162.159.38.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	172.64.34.51^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.61, 172.67.187.132
		IPv6 hints	2606:4700:3030::ac43:bb84, 2606:4700:3031::6815:73d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`kenneth.ns.cloudflare.com`dns@cloudflare.com serial=2398808860

`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=4068635

Same first word

proschool4.ru

Similar names

shop4color.com

pro4school.com

DNS History

12 records (6 active, 6 former)

●NSkenneth.ns.cloudflare.com2026-03-18 → 2026-04-24 · 2 obs

● 2026-03-18 12:31:40
● 2026-04-24 21:05:06

●NSmeadow.ns.cloudflare.com2026-03-18 → 2026-04-24 · 2 obs

● 2026-03-18 12:31:40
● 2026-04-24 21:05:06

●A104.21.7.612026-03-18 → 2026-04-24 · 7 obs

● 2026-03-18 12:31:40
○ 2026-03-18 15:54:24
● 2026-03-18 17:13:12
● 2026-03-18 20:23:06
○ 2026-03-18 22:27:12
● 2026-04-06 11:18:26
● 2026-04-24 21:05:06

○A172.64.80.12026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-18 12:31:40
● 2026-03-18 15:54:24
○ 2026-03-18 17:13:12
○ 2026-04-24 21:05:06

●A172.67.187.1322026-03-18 → 2026-04-24 · 7 obs

● 2026-03-18 12:31:40
○ 2026-03-18 15:54:24
● 2026-03-18 17:13:12
● 2026-03-18 20:23:06
○ 2026-03-18 22:27:12
● 2026-04-06 11:18:26
● 2026-04-24 21:05:06

○A188.114.96.02026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-18 20:23:06
● 2026-03-18 22:27:12
○ 2026-04-06 11:18:26
○ 2026-04-24 21:05:06

○A188.114.97.02026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-18 20:23:06
● 2026-03-18 22:27:12
○ 2026-04-06 11:18:26
○ 2026-04-24 21:05:06

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-18 → 2026-03-18 · 5 obs

○ 2026-03-18 12:31:40
● 2026-03-18 15:54:24
● 2026-03-18 20:23:06
○ 2026-03-18 22:27:12
○ 2026-04-24 21:05:06

●A2606:4700:3030::ac43:bb842026-03-18 → 2026-04-24 · 5 obs

● 2026-03-18 12:31:40
○ 2026-03-18 15:54:24
○ 2026-03-18 22:27:12
● 2026-04-06 11:18:26
● 2026-04-24 21:05:06

●A2606:4700:3031::6815:73d2026-03-18 → 2026-04-24 · 5 obs

● 2026-03-18 12:31:40
○ 2026-03-18 15:54:24
○ 2026-03-18 22:27:12
● 2026-04-06 11:18:26
● 2026-04-24 21:05:06

○A2a06:98c1:3120::2026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-18 20:23:06
● 2026-03-18 22:27:12
○ 2026-04-06 11:18:26
○ 2026-04-24 21:05:06

○A2a06:98c1:3121::2026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-18 20:23:06
● 2026-03-18 22:27:12
○ 2026-04-06 11:18:26
○ 2026-04-24 21:05:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
proschool4.ru	meadow.ns.cloudflare.com, kenneth.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.51

NS records: meadow.ns.cloudflare.com, kenneth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proschool4.ru (unsigned zone)

⏱️ Timing

Total: 668ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.132, 104.21.7.61`
AAAA	2	`2606:4700:3030::ac43:bb84, 2606:4700:3031::6815:73d`
NS	2	`kenneth.ns.cloudflare.com, meadow.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kenneth.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

proschool4.ru points to four IP numbers: 2606:4700:3030::ac43:bb84, 2606:4700:3031::6815:73d, 104.21.7.61 and 172.67.187.132.

Other host names, for instance www.avantajgame.com, sgsfr.com, www.atacadodastelhas.com, sleepqb.ru and karin-sound.com share IP numbers with proschool4.ru.

Name Servers

Delegation for proschool4.ru rests with two name servers, kenneth.ns.cloudflare.com and meadow.ns.cloudflare.com.

proschool4.ru shares the same name server setup as other domains, including odm-nvrsk.ru, x4nqea.fit, boschpl.shop, a9k5mr.fit and m7qz2r.fit.

proschool4.ru at least partially shares name servers with other domains, for instance zumtobel.us, adwhssolutions.com, burdach.com, sergioperezf1.com and boa-bet-hu.com.

These name servers are often used together with arvind.ns.cloudflare.com, elsa.ns.cloudflare.com, heidi.ns.cloudflare.com, aleena.ns.cloudflare.com and thaddeus.ns.cloudflare.com.

Host names with six IP numbers: kenneth.ns.cloudflare.com points to: 2606:4700:58::a29f:2c29, 2803:f800:50::6ca2:c329, 2a06:98c1:50::ac40:2329, 108.162.195.41, 162.159.44.41 and 172.64.35.41. meadow.ns.cloudflare.com points to: 2606:4700:50::a29f:2633, 2803:f800:50::6ca2:c233, 2a06:98c1:50::ac40:2233, 108.162.194.51, 162.159.38.51 and 172.64.34.51.

proschool4.ru - robtex.com

proschool4.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`proschool4.ru`

`ru`