openclass.ru - dns.ninja

`openclass.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d78c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:10bc^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.188^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.140^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adrian.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c039^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adrian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2039^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adrian.ns.cloudflare.com`
		A	108.162.192.57^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	172.64.32.57^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	173.245.58.57^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
NS	`pablo.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pablo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pablo.ns.cloudflare.com`
		A	108.162.193.220^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	172.64.33.220^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
		A	173.245.59.220^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pablo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.188, 172.67.215.140
		IPv6 hints	2606:4700:3031::ac43:d78c, 2606:4700:3036::6815:10bc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`adrian.ns.cloudflare.com`dns@cloudflare.com serial=2406335404

`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=4069239

rank #408591 globally
rank #13476 in the tld
WOT: SAFE (73/100)

Subdomains

www.openclass.ru

Same first word

openclass.com

openclass.cl

openclass.in

openclass.it

openclass.academy

openclass.ca

openclass.gr

openclass.co

openclass.net

openclass.hk

openclass.org

openclass.ru

openclass.cn

openclass.eu

openclass.co.zw

openclass.pe.kr

openclass.site

openclass.de

Similar names

snapclose.com

classopen.org

solnspace.com

csespanol.com

classopen.com

slopescan.com

espnsocal.com

specloans.com

clonepass.xyz

DNS History

16 records (6 active, 10 former)

●NSadrian.ns.cloudflare.com2026-02-23 → 2026-06-13 · 3 obs

○ 2019-04-11 09:07:44
● 2026-02-23 02:32:52
● 2026-06-13 12:45:40

○NSns.epublish.ru2015-07-19 → 2017-02-13 · 4 obs

● 2015-07-19 13:46:34
● 2017-02-13 01:11:26
○ 2019-04-11 09:07:44
○ 2026-06-13 12:45:40

○NSns1.epublish.ru2015-07-19 → 2017-02-13 · 4 obs

● 2015-07-19 13:46:34
● 2017-02-13 01:11:26
○ 2019-04-11 09:07:44
○ 2026-06-13 12:45:40

○NSns3-l2.nic.ru2019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-13 01:11:26
● 2019-04-11 09:07:44
○ 2026-02-23 02:32:52
○ 2026-06-13 12:45:40

○NSns4-cloud.nic.ru2019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-13 01:11:26
● 2019-04-11 09:07:44
○ 2026-02-23 02:32:52
○ 2026-06-13 12:45:40

○NSns4-l2.nic.ru2019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-13 01:11:26
● 2019-04-11 09:07:44
○ 2026-02-23 02:32:52
○ 2026-06-13 12:45:40

○NSns8-cloud.nic.ru2019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-13 01:11:26
● 2019-04-11 09:07:44
○ 2026-02-23 02:32:52
○ 2026-06-13 12:45:40

○NSns8-l2.nic.ru2019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-13 01:11:26
● 2019-04-11 09:07:44
○ 2026-02-23 02:32:52
○ 2026-06-13 12:45:40

●NSpablo.ns.cloudflare.com2026-02-23 → 2026-06-13 · 3 obs

○ 2019-04-11 09:07:44
● 2026-02-23 02:32:52
● 2026-06-13 12:45:40

○MXmail.openclass.ru2015-07-19 → 2017-02-13 · 4 obs

● 2015-07-19 13:46:34
● 2017-02-13 01:11:26
○ 2019-04-11 09:07:44
○ 2026-06-13 12:45:40

●A104.21.16.1882026-02-23 → 2026-06-13 · 3 obs

○ 2019-04-11 09:07:44
● 2026-02-23 02:32:52
● 2026-06-13 12:45:40

●A172.67.215.1402026-02-23 → 2026-06-13 · 3 obs

○ 2019-04-11 09:07:44
● 2026-02-23 02:32:52
● 2026-06-13 12:45:40

○A193.164.194.452019-04-11 → 2019-04-11 · 4 obs

○ 2017-02-13 01:11:26
● 2019-04-11 09:07:44
○ 2026-02-23 02:32:52
○ 2026-06-13 12:45:40

●A2606:4700:3031::ac43:d78c2026-02-23 → 2026-06-13 · 3 obs

○ 2019-04-11 09:07:44
● 2026-02-23 02:32:52
● 2026-06-13 12:45:40

●A2606:4700:3036::6815:10bc2026-02-23 → 2026-06-13 · 3 obs

○ 2019-04-11 09:07:44
● 2026-02-23 02:32:52
● 2026-06-13 12:45:40

○A85.193.69.452015-07-19 → 2017-02-13 · 4 obs

● 2015-07-19 13:46:34
● 2017-02-13 01:11:26
○ 2019-04-11 09:07:44
○ 2026-06-13 12:45:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
openclass.ru	pablo.ns.cloudflare.com, adrian.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.57

NS records: pablo.ns.cloudflare.com, adrian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openclass.ru (unsigned zone)

⏱️ Timing

Total: 664ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.140, 104.21.16.188`
AAAA	2	`2606:4700:3031::ac43:d78c, 2606:4700:3036::6815:10bc`
NS	2	`adrian.ns.cloudflare.com, pablo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adrian.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

www.openclass.ru is delegated beneath openclass.ru.

IP Addresses

openclass.ru points to four IP numbers: 104.21.16.188, 172.67.215.140, 2606:4700:3031::ac43:d78c and 2606:4700:3036::6815:10bc.

wallysnet.com, meidishouhou.com, bilesketeknik.com plus two other host names have IP numbers in common with openclass.ru.

Name Servers

The NS records for openclass.ru delegate to adrian.ns.cloudflare.com and pablo.ns.cloudflare.com.

The name server configuration of openclass.ru is shared with other domains, for instance ruio.im, graffitistudio.ru, jhealth.ru and two others.

There is at least partial name server overlap between openclass.ru and other domains — freshcasino2612.com, solcasino1201.com, robertgilbertsart.com and two more among them.

These name servers tend to appear in combination with the name servers tim.ns.cloudflare.com, peyton.ns.cloudflare.com, donna.ns.cloudflare.com and gina.ns.cloudflare.com.

Hosts with 6 IP addresses each:

adrian.ns.cloudflare.com maps to 108.162.192.57, 172.64.32.57, 173.245.58.57 and 3 additional IP addresses.

pablo.ns.cloudflare.com maps to 108.162.193.220, 172.64.33.220, 173.245.59.220 and 3 additional IP addresses.