`best4school.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:de82^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3613^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.19^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.130^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josephine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	172.64.34.64^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
NS	`vick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vick.ns.cloudflare.com`
		A	108.162.193.244^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
		A	172.64.33.244^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
		A	173.245.59.244^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.19, 172.67.222.130
		IPv6 hints	2606:4700:3033::ac43:de82, 2606:4700:3035::6815:3613
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=92, name=cloudflare-ech.com
SOA	`josephine.ns.cloudflare.com`dns@cloudflare.com serial=2406710622

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069926

Same first word

best4school.ru

DNS History

17 records (6 active, 11 former)

●NSjosephine.ns.cloudflare.com2026-04-10 → 2026-08-09 · 3 obs

○ 2018-05-28 22:17:50
● 2026-04-10 11:22:14
● 2026-08-09 16:14:02

○NSns1.sprinthost.ru2015-07-25 → 2018-05-28 · 4 obs

● 2015-07-25 13:04:38
● 2018-05-28 22:17:50
○ 2026-04-10 11:22:14
○ 2026-08-09 16:14:02

○NSns2.sprinthost.ru2015-07-25 → 2018-05-28 · 4 obs

● 2015-07-25 13:04:38
● 2018-05-28 22:17:50
○ 2026-04-10 11:22:14
○ 2026-08-09 16:14:02

●NSvick.ns.cloudflare.com2026-04-10 → 2026-08-09 · 3 obs

○ 2018-05-28 22:17:50
● 2026-04-10 11:22:14
● 2026-08-09 16:14:02

○MXmail.best4school.ru2015-07-25 → 2018-05-28 · 4 obs

● 2015-07-25 13:04:38
● 2018-05-28 22:17:50
○ 2026-04-10 11:22:14
○ 2026-08-09 16:14:02

●A104.21.54.192026-04-10 → 2026-08-09 · 4 obs

○ 2018-05-28 22:17:50
● 2026-04-10 11:22:14
○ 2026-07-31 12:31:22
● 2026-08-09 16:14:02

○A141.8.192.1082015-07-25 → 2016-02-23 · 4 obs

● 2015-07-25 13:04:38
● 2016-02-23 18:21:14
○ 2016-05-06 22:34:52
○ 2026-08-09 16:14:02

○A141.8.192.982018-05-28 → 2018-05-28 · 4 obs

○ 2017-01-12 07:28:56
● 2018-05-28 22:17:50
○ 2026-04-10 11:22:14
○ 2026-08-09 16:14:02

○A141.8.194.2362016-05-06 → 2017-01-12 · 5 obs

○ 2016-02-23 18:21:14
● 2016-05-06 22:34:52
● 2017-01-12 07:28:56
○ 2018-05-28 22:17:50
○ 2026-08-09 16:14:02

●A172.67.222.1302026-04-10 → 2026-08-09 · 4 obs

○ 2018-05-28 22:17:50
● 2026-04-10 11:22:14
○ 2026-07-31 12:31:22
● 2026-08-09 16:14:02

○A188.114.96.02026-07-31 → 2026-07-31 · 3 obs

○ 2026-07-28 12:07:04
● 2026-07-31 12:31:22
○ 2026-08-09 16:14:02

○A188.114.97.02026-07-31 → 2026-07-31 · 3 obs

○ 2026-07-28 12:07:04
● 2026-07-31 12:31:22
○ 2026-08-09 16:14:02

●A2606:4700:3033::ac43:de822026-04-10 → 2026-08-09 · 4 obs

○ 2018-05-28 22:17:50
● 2026-04-10 11:22:14
○ 2026-07-31 12:31:22
● 2026-08-09 16:14:02

●A2606:4700:3035::6815:36132026-07-28 → 2026-08-09 · 4 obs

○ 2026-05-17 07:24:46
● 2026-07-28 12:07:04
○ 2026-07-31 12:31:22
● 2026-08-09 16:14:02

○A2606:4700:3036::6815:36132026-04-10 → 2026-05-17 · 5 obs

○ 2018-05-28 22:17:50
● 2026-04-10 11:22:14
● 2026-05-17 07:24:46
○ 2026-07-28 12:07:04
○ 2026-08-09 16:14:02

○A2a06:98c1:3120::2026-07-31 → 2026-07-31 · 3 obs

○ 2026-07-28 12:07:04
● 2026-07-31 12:31:22
○ 2026-08-09 16:14:02

○A2a06:98c1:3121::2026-07-31 → 2026-07-31 · 3 obs

○ 2026-07-28 12:07:04
● 2026-07-31 12:31:22
○ 2026-08-09 16:14:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
best4school.ru	vick.ns.cloudflare.com, josephine.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.64

NS records: vick.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for best4school.ru (unsigned zone)

⏱️ Timing

Total: 787ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.54.19, 172.67.222.130`
AAAA	2	`2606:4700:3035::6815:3613, 2606:4700:3033::ac43:de82`
NS	2	`josephine.ns.cloudflare.com, vick.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`josephine.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

best4school.ru directs to four IP numbers, which are 104.21.54.19, 172.67.222.130, 2606:4700:3033::ac43:de82 and 2606:4700:3035::6815:3613.

Among the host names that share IP numbers with best4school.ru are hatti.biz, zaz888.com, altiaglobalmanagementco.digital and two others.

Name Servers

Two name servers handle the delegation for best4school.ru: josephine.ns.cloudflare.com and vick.ns.cloudflare.com.

best4school.ru has the same name server delegation as a number of other domains, such as nutritionenergyshell.info, foodenergyshiftpl.info, healthylooseweightqz.info and two more.

At least some of best4school.ru's name servers are shared with other domains, for example stenabostader.info, waterfilterguide.biz, vw-besser-auto.ru and two more.

It is common for these name servers to be used in conjunction with the name servers dion.ns.cloudflare.com, ned.ns.cloudflare.com and etta.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

josephine.ns.cloudflare.com resolves to 108.162.194.64, 162.159.38.64 and 172.64.34.64 among others, with 3 other IP addresses in total.

vick.ns.cloudflare.com resolves to 108.162.193.244, 172.64.33.244 and 173.245.59.244 among others, with 3 other IP addresses in total.

best4school.ru - robtex.com

best4school.ru

ru

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`best4school.ru`

`ru`