`school-81.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:349a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:c921^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.154^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.33^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lilyana.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26f4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lilyana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lilyana.ns.cloudflare.com`
		A	108.162.194.244^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
		A	162.159.38.244^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
		A	172.64.34.244^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lilyana.ns.cloudflare.com`
NS	`shane.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c339^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2339^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shane.ns.cloudflare.com`
		A	108.162.195.57^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	162.159.44.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	172.64.35.57^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.154, 172.67.201.33
		IPv6 hints	2606:4700:3031::6815:349a, 2606:4700:3031::ac43:c921
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOA	`lilyana.ns.cloudflare.com`dns@cloudflare.com serial=2410119678

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069737

Same first word

school-81.ru

DNS History

19 records (6 active, 13 former)

●NSlilyana.ns.cloudflare.com2026-02-23 → 2026-07-24 · 3 obs

○ 2017-05-18 16:40:00
● 2026-02-23 21:24:28
● 2026-07-24 23:54:54

○NSns1.hosting.reg.ru2016-04-11 → 2017-05-18 · 5 obs

○ 2016-01-23 16:47:24
● 2016-04-11 03:53:30
● 2017-05-18 16:40:00
○ 2026-02-23 21:24:28
○ 2026-07-24 23:54:54

○NSns1.reg.ru2015-05-14 → 2016-01-23 · 4 obs

● 2015-05-14 19:25:08
● 2016-01-23 16:47:24
○ 2016-04-11 03:53:30
○ 2026-07-24 23:54:54

○NSns2.hosting.reg.ru2016-04-11 → 2017-05-18 · 5 obs

○ 2016-01-23 16:47:24
● 2016-04-11 03:53:30
● 2017-05-18 16:40:00
○ 2026-02-23 21:24:28
○ 2026-07-24 23:54:54

○NSns2.reg.ru2015-05-14 → 2016-01-23 · 4 obs

● 2015-05-14 19:25:08
● 2016-01-23 16:47:24
○ 2016-04-11 03:53:30
○ 2026-07-24 23:54:54

●NSshane.ns.cloudflare.com2026-02-23 → 2026-07-24 · 3 obs

○ 2017-05-18 16:40:00
● 2026-02-23 21:24:28
● 2026-07-24 23:54:54

○MXmh40.mobyhost.ru2015-05-14 → 2016-01-23 · 4 obs

● 2015-05-14 19:25:08
● 2016-01-23 16:47:24
○ 2016-04-11 03:53:30
○ 2026-07-24 23:54:54

○MXmx1.hosting.reg.ru2016-04-11 → 2017-05-18 · 5 obs

○ 2016-01-23 16:47:24
● 2016-04-11 03:53:30
● 2017-05-18 16:40:00
○ 2026-02-23 21:24:28
○ 2026-07-24 23:54:54

○MXmx2.hosting.reg.ru2016-04-11 → 2017-05-18 · 5 obs

○ 2016-01-23 16:47:24
● 2016-04-11 03:53:30
● 2017-05-18 16:40:00
○ 2026-02-23 21:24:28
○ 2026-07-24 23:54:54

●A104.21.52.1542026-02-23 → 2026-07-24 · 5 obs

○ 2017-05-18 16:40:00
● 2026-02-23 21:24:28
○ 2026-03-01 04:39:16
● 2026-03-29 22:15:06
● 2026-07-24 23:54:54

○A172.64.80.12026-03-01 → 2026-03-01 · 4 obs

○ 2026-02-23 21:24:28
● 2026-03-01 04:39:16
○ 2026-03-29 22:15:06
○ 2026-07-24 23:54:54

●A172.67.201.332026-02-23 → 2026-07-24 · 5 obs

○ 2017-05-18 16:40:00
● 2026-02-23 21:24:28
○ 2026-03-01 04:39:16
● 2026-03-29 22:15:06
● 2026-07-24 23:54:54

○A188.93.212.412015-05-14 → 2016-01-23 · 4 obs

● 2015-05-14 19:25:08
● 2016-01-23 16:47:24
○ 2016-04-11 03:53:30
○ 2026-07-24 23:54:54

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-01 → 2026-03-01 · 4 obs

○ 2026-02-23 21:24:28
● 2026-03-01 04:39:16
○ 2026-03-29 22:15:06
○ 2026-07-24 23:54:54

○A2606:4700:3030::6815:349a2026-02-23 → 2026-06-16 · 7 obs

○ 2017-05-18 16:40:00
● 2026-02-23 21:24:28
○ 2026-03-01 04:39:16
● 2026-03-29 22:15:06
● 2026-06-16 04:19:12
○ 2026-07-09 13:57:52
○ 2026-07-24 23:54:54

●A2606:4700:3031::6815:349a2026-07-09 → 2026-07-24 · 3 obs

○ 2026-06-16 04:19:12
● 2026-07-09 13:57:52
● 2026-07-24 23:54:54

●A2606:4700:3031::ac43:c9212026-07-09 → 2026-07-24 · 3 obs

○ 2026-06-16 04:19:12
● 2026-07-09 13:57:52
● 2026-07-24 23:54:54

○A2606:4700:3032::ac43:c9212026-02-23 → 2026-06-16 · 7 obs

○ 2017-05-18 16:40:00
● 2026-02-23 21:24:28
○ 2026-03-01 04:39:16
● 2026-03-29 22:15:06
● 2026-06-16 04:19:12
○ 2026-07-09 13:57:52
○ 2026-07-24 23:54:54

○A37.140.192.1482016-04-11 → 2017-05-18 · 5 obs

○ 2016-01-23 16:47:24
● 2016-04-11 03:53:30
● 2017-05-18 16:40:00
○ 2026-02-23 21:24:28
○ 2026-07-24 23:54:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
school-81.ru	lilyana.ns.cloudflare.com, shane.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.57

NS records: lilyana.ns.cloudflare.com, shane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for school-81.ru (unsigned zone)

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.33, 104.21.52.154`
AAAA	2	`2606:4700:3031::6815:349a, 2606:4700:3031::ac43:c921`
NS	2	`lilyana.ns.cloudflare.com, shane.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lilyana.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

school-81.ru resolves to four IP addresses: 104.21.52.154, 172.67.201.33, 2606:4700:3031::6815:349a and 2606:4700:3031::ac43:c921.

Additional host names — kingsgymfc.com.mx, rajabotak134.xyz, pingvist.com and two others — share IP numbers with school-81.ru.

Name Servers

Two name servers handle the delegation for school-81.ru: lilyana.ns.cloudflare.com and shane.ns.cloudflare.com.

school-81.ru shares its name server setup with other domains, including moobo.hr, ligadepronosticos.es, cob.com.ar and two others.

school-81.ru partially shares its NS delegation with several other domains, including sk-polis.ru, clubdodesejo.com.br, fsfa.cn and two others.

In DNS configurations, these name servers often share authority with hadlee.ns.cloudflare.com, otto.ns.cloudflare.com, dale.ns.cloudflare.com and 3 other name servers.

Host names with 6 IP numbers:

lilyana.ns.cloudflare.com resolves to 108.162.194.244, 162.159.38.244 and 172.64.34.244 among others, with 3 other IP addresses in total.

shane.ns.cloudflare.com resolves to 108.162.195.57, 162.159.44.57 and 172.64.35.57 among others, with 3 other IP addresses in total.

school-81.ru - robtex.com

school-81.ru

ru

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`school-81.ru`

`ru`