`perschool.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4d2e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cc7a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.46^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.122^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coby.ns.cloudflare.com`
		A	108.162.193.92^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	172.64.33.92^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	173.245.59.92^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
NS	`kinsley.ns.cloudflare.com`
		A	2606:4700:50::a29f:264b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kinsley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kinsley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kinsley.ns.cloudflare.com`
		A	108.162.194.75^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kinsley.ns.cloudflare.com`
		A	162.159.38.75^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kinsley.ns.cloudflare.com`
		A	172.64.34.75^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kinsley.ns.cloudflare.com`
MX	`_dc-mx.18047288b5ff.perschool.ru` ⭐
		A	80.89.228.109^{🇳🇱 PODAON80.89.228.0/23}
			PTR	`vm4530736.43ssd.had.wf`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.46, 172.67.204.122
		IPv6 hints	2606:4700:3031::6815:4d2e, 2606:4700:3037::ac43:cc7a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=36, name=cloudflare-ech.com
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2408798447

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru` ⚠️ Not in parent delegation
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069604

Previously NS for

perschool.ru

Same first word

perschool.com

perschool.ru

Similar names

DNS History

19 records (7 active, 12 former)

●NScoby.ns.cloudflare.com2026-04-14 → 2026-07-13 · 3 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-07-13 23:36:38

●NSkinsley.ns.cloudflare.com2026-04-14 → 2026-07-13 · 3 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-07-13 23:36:38

○NSns1.allvrn.ru2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○NSns3.allvrn.ru2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○NSperschool.ru2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

●MX_dc-mx.18047288b5ff.perschool.ru2026-04-14 → 2026-07-13 · 3 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-07-13 23:36:38

○MXalt1.aspmx.l.google.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○MXalt2.aspmx.l.google.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○MXaspmx.l.google.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○MXaspmx2.googlemail.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○MXaspmx3.googlemail.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○MXaspmx4.googlemail.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

○MXaspmx5.googlemail.com2020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

●A104.21.77.462026-04-14 → 2026-07-13 · 3 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-07-13 23:36:38

○A109.238.247.702020-01-01 → 2020-01-01 · 3 obs

● 2020-01-01 02:34:54
○ 2026-04-14 10:03:10
○ 2026-07-13 23:36:38

●A172.67.204.1222026-04-14 → 2026-07-13 · 3 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-07-13 23:36:38

●A2606:4700:3031::6815:4d2e2026-06-29 → 2026-07-13 · 3 obs

○ 2026-05-31 02:46:46
● 2026-06-29 10:42:44
● 2026-07-13 23:36:38

○A2606:4700:3035::6815:4d2e2026-04-14 → 2026-05-31 · 5 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-05-31 02:46:46
○ 2026-06-29 10:42:44
○ 2026-07-13 23:36:38

●A2606:4700:3037::ac43:cc7a2026-04-14 → 2026-07-13 · 3 obs

○ 2020-01-01 02:34:54
● 2026-04-14 10:03:10
● 2026-07-13 23:36:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net...	-
perschool.ru	kinsley.ns.cloudflare.com, coby.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.75

NS records: kinsley.ns.cloudflare.com, coby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perschool.ru (unsigned zone)

⏱️ Timing

Total: 844ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.46, 172.67.204.122`
AAAA	2	`2606:4700:3037::ac43:cc7a, 2606:4700:3031::6815:4d2e`
NS	2	`coby.ns.cloudflare.com, kinsley.ns.cloudflare.com`
MX	2	`_dc-mx.18047288b5ff.perschool.ru (pri: 1, _dc-mx.18047288b5ff.perschool.ru (pri: 2`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coby.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

perschool.ru has four IP addresses: 104.21.77.46, 172.67.204.122, 2606:4700:3031::6815:4d2e and 2606:4700:3037::ac43:cc7a.

Additional host names — 221.21.whxedu.net, usedtractors.co.za, in.propylo.com and two others — share IP numbers with perschool.ru.

Name Servers

perschool.ru is delegated to two name servers: coby.ns.cloudflare.com and kinsley.ns.cloudflare.com.

perschool.ru shares its name server setup with other domains, including hurt.email, visit-halkidiki.ru, sib-parfum.ru and two others.

perschool.ru shares at least some of its name servers with other domains, including jm-wholesale.co.uk, yakitoriya-rostov.ru, peachfac.com and two others.

These name servers are frequently seen alongside the name servers rodney.ns.cloudflare.com, eugene.ns.cloudflare.com, denver.ns.cloudflare.com and erin.ns.cloudflare.com.

Host names with 6 IP numbers:

coby.ns.cloudflare.com resolves to 108.162.193.92, 172.64.33.92, 173.245.59.92 and 3 other IP addresses.

kinsley.ns.cloudflare.com resolves to 108.162.194.75, 162.159.38.75, 172.64.34.75 and 3 other IP addresses.

Mail Servers

perschool.ru has one mail server: _dc-mx.18047288b5ff.perschool.ru.

_dc-mx.18047288b5ff.perschool.ru resolves to a single IP number: 80.89.228.109.

perschool.ru - robtex.com

perschool.ru

ru

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`perschool.ru`

`ru`