`studyhardschool.ru`

DNSSEC	⚠️ Not signed
A	104.21.60.98^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.132^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ingrid.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ingrid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ingrid.ns.cloudflare.com`
		A	108.162.192.165^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	172.64.32.165^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
		A	173.245.58.165^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ingrid.ns.cloudflare.com`
NS	`norm.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c186^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norm.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2186^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norm.ns.cloudflare.com`
		A	108.162.193.134^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	172.64.33.134^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	173.245.59.134^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.60.98, 172.67.195.132
SOA	`ingrid.ns.cloudflare.com`dns@cloudflare.com serial=2398952941

`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=4068629

Same first word

studyhardschool.ru

DNS History

4 records (4 active, 0 former)

●NSingrid.ns.cloudflare.com2026-04-11 → 2026-04-24 · 2 obs

● 2026-04-11 03:15:36
● 2026-04-24 08:51:12

●NSnorm.ns.cloudflare.com2026-04-11 → 2026-04-24 · 2 obs

● 2026-04-11 03:15:36
● 2026-04-24 08:51:12

●A104.21.60.982026-04-11 → 2026-04-24 · 2 obs

● 2026-04-11 03:15:36
● 2026-04-24 08:51:12

●A172.67.195.1322026-04-11 → 2026-04-24 · 2 obs

● 2026-04-11 03:15:36
● 2026-04-24 08:51:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
studyhardschool.ru	norm.ns.cloudflare.com, ingrid.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.165

NS records: norm.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyhardschool.ru (unsigned zone)

⏱️ Timing

Total: 603ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.195.132, 104.21.60.98`
NS	2	`ingrid.ns.cloudflare.com, norm.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ingrid.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

studyhardschool.ru resolves to two IPs: 104.21.60.98 and 172.67.195.132.

other host names for instance cornerstone-cloud.com, voripona.pro, gustafson-family.com, cctycm.com and bartlonam.com share IP numbers with studyhardschool.ru.

Name Servers

studyhardschool.ru is delegated to two name servers: ingrid.ns.cloudflare.com and norm.ns.cloudflare.com.

studyhardschool.ru shares the same name server setup as other domains, for example van-netten.de, ggiel.com, ohpizza.ru, biokd.pl and codiator.ca.

studyhardschool.ru at least partially shares name servers with other domains, for instance epamempathylab.com, ingenieriaselca.com, hidergroupsellscharlotte.com, kirb.com and familyfirst.fr.

These name servers are often used with noel.ns.cloudflare.com and lady.ns.cloudflare.com.

Host names with six IP numbers:

ingrid.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa5, 2803:f800:50::6ca2:c0a5, 2a06:98c1:50::ac40:20a5, 108.162.192.165, 172.64.32.165 and 173.245.58.165; norm.ns.cloudflare.com points to: 2606:4700:58::adf5:3b86, 2803:f800:50::6ca2:c186, 2a06:98c1:50::ac40:2186, 108.162.193.134, 172.64.33.134 and 173.245.59.134.

studyhardschool.ru - robtex.com