`school-edu.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b756^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:12cc^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.204^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.86^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jobs.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb7^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c1b7^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:21b7^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.183^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.183^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.183^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`jocelyn.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aae^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0ae^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20ae^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.174^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.174^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.174^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.204, 172.67.183.86
		IPv6 hints	2606:4700:3030::ac43:b756, 2606:4700:3037::6815:12cc
SOA	`jobs.ns.cloudflare.com`dns@cloudflare.com serial=2407306803

`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=4069555

Same first word

school-edu.net

school-edu.ru

Similar names

edu-school.cz

DNS History

24 records (6 active, 18 former)

●NSjobs.ns.cloudflare.com2026-04-10 → 2026-07-09 · 3 obs

○ 2020-02-22 14:42:02
● 2026-04-10 11:04:32
● 2026-07-09 21:38:18

●NSjocelyn.ns.cloudflare.com2026-04-10 → 2026-07-09 · 3 obs

○ 2020-02-22 14:42:02
● 2026-04-10 11:04:32
● 2026-07-09 21:38:18

○NSns1.expiring.salenames.ru2020-02-22 → 2020-02-22 · 4 obs

○ 2017-03-26 11:34:52
● 2020-02-22 14:42:02
○ 2026-04-10 11:04:32
○ 2026-07-09 21:38:18

○NSns1.snparking.ru2017-03-26 → 2017-03-26 · 4 obs

○ 2016-08-10 13:45:34
● 2017-03-26 11:34:52
○ 2020-02-22 14:42:02
○ 2026-07-09 21:38:18

○NSns2.expiring.salenames.ru2020-02-22 → 2020-02-22 · 4 obs

○ 2017-03-26 11:34:52
● 2020-02-22 14:42:02
○ 2026-04-10 11:04:32
○ 2026-07-09 21:38:18

○NSns2.snparking.ru2017-03-26 → 2017-03-26 · 4 obs

○ 2016-08-10 13:45:34
● 2017-03-26 11:34:52
○ 2020-02-22 14:42:02
○ 2026-07-09 21:38:18

○NSns3.salenames.ru2015-07-24 → 2016-08-10 · 4 obs

● 2015-07-24 23:02:58
● 2016-08-10 13:45:34
○ 2017-03-26 11:34:52
○ 2026-07-09 21:38:18

○NSns4.salenames.ru2015-07-24 → 2016-08-10 · 4 obs

● 2015-07-24 23:02:58
● 2016-08-10 13:45:34
○ 2017-03-26 11:34:52
○ 2026-07-09 21:38:18

○MX148.240.4.322015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 23:02:58
○ 2015-11-29 07:57:46
○ 2026-07-09 21:38:18

○MXvoid.blackhole.mx2015-11-29 → 2016-08-10 · 5 obs

○ 2015-07-24 23:02:58
● 2015-11-29 07:57:46
● 2016-08-10 13:45:34
○ 2017-03-26 11:34:52
○ 2026-07-09 21:38:18

●A104.21.18.2042026-04-10 → 2026-07-09 · 5 obs

○ 2020-02-22 14:42:02
● 2026-04-10 11:04:32
○ 2026-04-19 00:02:04
● 2026-04-30 23:24:46
● 2026-07-09 21:38:18

○A109.206.190.542015-11-29 → 2016-08-10 · 6 obs

○ 2015-07-24 23:02:58
● 2015-11-29 07:57:46
○ 2016-03-08 07:10:42
● 2016-08-10 13:45:34
○ 2017-03-26 11:34:52
○ 2026-07-09 21:38:18

●A172.67.183.862026-04-10 → 2026-07-09 · 5 obs

○ 2020-02-22 14:42:02
● 2026-04-10 11:04:32
○ 2026-04-19 00:02:04
● 2026-04-30 23:24:46
● 2026-07-09 21:38:18

○A185.189.15.132020-02-22 → 2020-02-22 · 4 obs

○ 2017-03-26 11:34:52
● 2020-02-22 14:42:02
○ 2026-04-10 11:04:32
○ 2026-07-09 21:38:18

○A188.114.96.02026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-10 11:04:32
● 2026-04-19 00:02:04
○ 2026-04-30 23:24:46
○ 2026-07-09 21:38:18

○A188.114.97.02026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-10 11:04:32
● 2026-04-19 00:02:04
○ 2026-04-30 23:24:46
○ 2026-07-09 21:38:18

○A192.237.187.2082016-03-08 → 2016-03-08 · 4 obs

○ 2015-11-29 07:57:46
● 2016-03-08 07:10:42
○ 2016-08-10 13:45:34
○ 2026-07-09 21:38:18

●A2606:4700:3030::ac43:b7562026-06-30 → 2026-07-09 · 3 obs

○ 2026-06-15 10:41:12
● 2026-06-30 16:00:38
● 2026-07-09 21:38:18

●A2606:4700:3037::6815:12cc2026-04-10 → 2026-07-09 · 5 obs

○ 2020-02-22 14:42:02
● 2026-04-10 11:04:32
○ 2026-04-19 00:02:04
● 2026-04-30 23:24:46
● 2026-07-09 21:38:18

○A2606:4700:3037::ac43:b7562026-04-10 → 2026-06-15 · 7 obs

○ 2020-02-22 14:42:02
● 2026-04-10 11:04:32
○ 2026-04-19 00:02:04
● 2026-04-30 23:24:46
● 2026-06-15 10:41:12
○ 2026-06-30 16:00:38
○ 2026-07-09 21:38:18

○A2a06:98c1:3120::2026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-10 11:04:32
● 2026-04-19 00:02:04
○ 2026-04-30 23:24:46
○ 2026-07-09 21:38:18

○A2a06:98c1:3121::2026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-10 11:04:32
● 2026-04-19 00:02:04
○ 2026-04-30 23:24:46
○ 2026-07-09 21:38:18

○A91.195.240.1352017-03-26 → 2017-03-26 · 4 obs

○ 2016-08-10 13:45:34
● 2017-03-26 11:34:52
○ 2020-02-22 14:42:02
○ 2026-07-09 21:38:18

○A91.195.241.862015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 23:02:58
○ 2015-11-29 07:57:46
○ 2026-07-09 21:38:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	b.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net...	-
school-edu.ru	jocelyn.ns.cloudflare.com, jobs.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.174

NS records: jocelyn.ns.cloudflare.com, jobs.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for school-edu.ru (unsigned zone)

⏱️ Timing

Total: 2949ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.18.204, 172.67.183.86`
AAAA	2	`2606:4700:3030::ac43:b756, 2606:4700:3037::6815:12cc`
NS	2	`jobs.ns.cloudflare.com, jocelyn.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jobs.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

school-edu.ru resolves to four IP addresses: 104.21.18.204, 172.67.183.86, 2606:4700:3030::ac43:b756 and 2606:4700:3037::6815:12cc.

www.tragwerk-walter.de, munjassa.com, pavilionsports.com plus two other host names have IP numbers in common with school-edu.ru.

Name Servers

school-edu.ru is served by two delegated name servers, jobs.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

The name server configuration of school-edu.ru is shared with other domains, for instance estofadosmarques.com.br, ibcbritas.com.br, sarthi.net and two others.

school-edu.ru shares at least some of its name servers with other domains, including eltc.nl, yinulin.cn, zazux.com and two others.

These name servers are frequently paired with the name servers marty.ns.cloudflare.com and aleena.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jobs.ns.cloudflare.com carries IP addresses 108.162.193.183, 172.64.33.183 and 173.245.59.183, with 3 other addresses beyond those.

jocelyn.ns.cloudflare.com carries IP addresses 108.162.192.174, 172.64.32.174 and 173.245.58.174, with 3 other addresses beyond those.

school-edu.ru - robtex.com

school-edu.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`school-edu.ru`

`ru`