`physicsstudy.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b352^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	2606:4700:3033::6815:43b5^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	104.21.67.181^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	172.67.179.82^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
NS	`autumn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2694^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c294^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`autumn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2294^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`autumn.ns.cloudflare.com`
		A	108.162.194.148^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	162.159.38.148^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	172.64.34.148^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
NS	`camilo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c376^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`camilo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2376^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`camilo.ns.cloudflare.com`
		A	108.162.195.118^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
		A	162.159.44.118^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
		A	172.64.35.118^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ⚠ 4 unhinted📌 2 extra
		IPv4	172.64.80.1
		IPv6	2606:4700:130:436c:6f75:6466:6c61:7265
SOA	`autumn.ns.cloudflare.com`dns@cloudflare.com serial=2399134725

`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=4068147

Same first word

physicsstudy.com

physicsstudy.ru

Similar names

studyphysics.org

studyphysics.co.uk

studyphysics.com

studyphysics.ca

DNS History

8 records (6 active, 2 former)

●NSautumn.ns.cloudflare.com2026-02-18 → 2026-03-16 · 2 obs

● 2026-02-18 23:15:24
● 2026-03-16 09:16:40

●NScamilo.ns.cloudflare.com2026-02-18 → 2026-03-16 · 2 obs

● 2026-02-18 23:15:24
● 2026-03-16 09:16:40

●A104.21.67.1812026-02-18 → 2026-03-16 · 5 obs

● 2026-02-18 23:15:24
● 2026-03-14 13:22:56
○ 2026-03-15 02:22:02
● 2026-03-16 09:16:38
● 2026-03-16 09:16:40

○A172.64.80.12026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 13:22:56
● 2026-03-15 02:22:02
○ 2026-03-16 09:16:38
○ 2026-03-16 09:16:40

●A172.67.179.822026-02-18 → 2026-03-16 · 5 obs

● 2026-02-18 23:15:24
● 2026-03-14 13:22:56
○ 2026-03-15 02:22:02
● 2026-03-16 09:16:38
● 2026-03-16 09:16:40

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-19 → 2026-03-14 · 8 obs

○ 2026-02-18 23:15:24
● 2026-02-19 12:18:16
○ 2026-03-04 22:59:40
○ 2026-03-08 16:35:14
● 2026-03-14 09:59:00
● 2026-03-14 10:49:26
○ 2026-03-14 13:22:56
○ 2026-03-16 09:16:40

●A2606:4700:3032::ac43:b3522026-02-18 → 2026-03-16 · 8 obs

● 2026-02-18 23:15:24
○ 2026-02-19 12:18:16
● 2026-03-04 22:59:40
● 2026-03-08 16:35:14
○ 2026-03-14 09:59:00
○ 2026-03-14 10:49:26
● 2026-03-14 13:22:56
● 2026-03-16 09:16:40

●A2606:4700:3033::6815:43b52026-02-18 → 2026-03-16 · 8 obs

● 2026-02-18 23:15:24
○ 2026-02-19 12:18:16
● 2026-03-04 22:59:40
● 2026-03-08 16:35:14
○ 2026-03-14 09:59:00
○ 2026-03-14 10:49:26
● 2026-03-14 13:22:56
● 2026-03-16 09:16:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
physicsstudy.ru	camilo.ns.cloudflare.com, autumn.ns.cloudflare.com	-

✅ Authoritative Response

Server: 162.159.38.148

NS records: camilo.ns.cloudflare.com, autumn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for physicsstudy.ru (unsigned zone)

⏱️ Timing

Total: 1444ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.181, 172.67.179.82`
AAAA	1	`2606:4700:130:436c:6f75:6466:6c61:7265`
NS	2	`autumn.ns.cloudflare.com, camilo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`autumn.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

physicsstudy.ru maps to four IP numbers: 2606:4700:3032::ac43:b352, 2606:4700:3033::6815:43b5, 104.21.67.181 and 172.67.179.82.

other host names include yes.com.au, hostmaster.empire12.com, chengyuzx.com, reprolexsales.co.uk and mcti.gov.br; they share IP numbers with physicsstudy.ru.

Name Servers

Two name servers autumn.ns.cloudflare.com and camilo.ns.cloudflare.com handle the delegation for physicsstudy.ru.

physicsstudy.ru shares the same name server setup as other domains, for instance malishichki.ru, cozumfilo.net, lopeslar.com.br, rxdeutschland.net and test48.ru.

physicsstudy.ru at least partially shares name servers with other domains, for instance aldi-now.ch, venkat.info, thereserveatstonebrooke.com, scotail.com and asseintestinocervello.com.

These name servers are commonly used alongside paislee.ns.cloudflare.com.

Six IP addresses per host:

autumn.ns.cloudflare.com points to 2606:4700:50::a29f:2694, 2803:f800:50::6ca2:c294, 2a06:98c1:50::ac40:2294, 108.162.194.148, 162.159.38.148 and 172.64.34.148; camilo.ns.cloudflare.com points to 2606:4700:58::a29f:2c76, 2803:f800:50::6ca2:c376, 2a06:98c1:50::ac40:2376, 108.162.195.118, 162.159.44.118 and 172.64.35.118

physicsstudy.ru - robtex.com

physicsstudy.ru

ru