`lib4school.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3780^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:941f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.128^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.31^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tani.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ae0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tani.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tani.ns.cloudflare.com`
		A	108.162.192.224^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	172.64.32.224^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	173.245.58.224^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
NS	`trey.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`trey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`trey.ns.cloudflare.com`
		A	108.162.193.242^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	172.64.33.242^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
		A	173.245.59.242^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`trey.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.128, 172.67.148.31
		IPv6 hints	2606:4700:3030::6815:3780, 2606:4700:3031::ac43:941f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`tani.ns.cloudflare.com`dns@cloudflare.com serial=2400274614

`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=4068823

WOT: UNKNOWN (61/100)

Same first word

lib4school.ru

DNS History

14 records (6 active, 8 former)

○NSns6.adamant.net2017-02-01 → 2017-02-01 · 3 obs

● 2017-02-01 06:41:06
○ 2026-03-27 09:19:28
○ 2026-05-10 12:34:18

○NSnsda7.adamant.ua2017-02-01 → 2017-02-01 · 3 obs

● 2017-02-01 06:41:06
○ 2026-03-27 09:19:28
○ 2026-05-10 12:34:18

●NStani.ns.cloudflare.com2026-03-27 → 2026-05-10 · 3 obs

○ 2017-02-01 06:41:06
● 2026-03-27 09:19:28
● 2026-05-10 12:34:18

●NStrey.ns.cloudflare.com2026-03-27 → 2026-05-10 · 3 obs

○ 2017-02-01 06:41:06
● 2026-03-27 09:19:28
● 2026-05-10 12:34:18

○MXmail.lib4school.ru2017-02-01 → 2017-02-01 · 3 obs

● 2017-02-01 06:41:06
○ 2026-03-27 09:19:28
○ 2026-05-10 12:34:18

●A104.21.55.1282026-03-27 → 2026-05-10 · 5 obs

○ 2017-02-01 06:41:06
● 2026-03-27 09:19:28
○ 2026-04-11 22:03:46
● 2026-04-25 01:06:36
● 2026-05-10 12:34:18

●A172.67.148.312026-03-27 → 2026-05-10 · 5 obs

○ 2017-02-01 06:41:06
● 2026-03-27 09:19:28
○ 2026-04-11 22:03:46
● 2026-04-25 01:06:36
● 2026-05-10 12:34:18

○A188.114.96.02026-04-11 → 2026-04-11 · 4 obs

○ 2026-03-27 09:19:28
● 2026-04-11 22:03:46
○ 2026-04-25 01:06:36
○ 2026-05-10 12:34:18

○A188.114.97.02026-04-11 → 2026-04-11 · 4 obs

○ 2026-03-27 09:19:28
● 2026-04-11 22:03:46
○ 2026-04-25 01:06:36
○ 2026-05-10 12:34:18

○A212.26.135.692017-02-01 → 2017-02-01 · 3 obs

● 2017-02-01 06:41:06
○ 2026-03-27 09:19:28
○ 2026-05-10 12:34:18

●A2606:4700:3030::6815:37802026-03-27 → 2026-05-10 · 5 obs

○ 2017-02-01 06:41:06
● 2026-03-27 09:19:28
○ 2026-04-11 22:03:46
● 2026-04-25 01:06:36
● 2026-05-10 12:34:18

●A2606:4700:3031::ac43:941f2026-03-27 → 2026-05-10 · 5 obs

○ 2017-02-01 06:41:06
● 2026-03-27 09:19:28
○ 2026-04-11 22:03:46
● 2026-04-25 01:06:36
● 2026-05-10 12:34:18

○A2a06:98c1:3120::2026-04-11 → 2026-04-11 · 4 obs

○ 2026-03-27 09:19:28
● 2026-04-11 22:03:46
○ 2026-04-25 01:06:36
○ 2026-05-10 12:34:18

○A2a06:98c1:3121::2026-04-11 → 2026-04-11 · 4 obs

○ 2026-03-27 09:19:28
● 2026-04-11 22:03:46
○ 2026-04-25 01:06:36
○ 2026-05-10 12:34:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
lib4school.ru	tani.ns.cloudflare.com, trey.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.242

NS records: tani.ns.cloudflare.com, trey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lib4school.ru (unsigned zone)

⏱️ Timing

Total: 704ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.128, 172.67.148.31`
AAAA	2	`2606:4700:3030::6815:3780, 2606:4700:3031::ac43:941f`
NS	2	`tani.ns.cloudflare.com, trey.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`tani.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

lib4school.ru resolves to four IPs: 2606:4700:3030::6815:3780, 2606:4700:3031::ac43:941f, 104.21.55.128 and 172.67.148.31.

Other host names such as tube(0x787878).icu, ippolitan.com, chrigo.de, s3nyc.com and steroidefr.com share IP numbers with lib4school.ru.

Name Servers

lib4school.ru is delegated to two name servers: tani.ns.cloudflare.com and trey.ns.cloudflare.com.

lib4school.ru uses the same name server setup as other domains, including manba3.com, smesiteli-vam.ru, bettesin.com, portret-volegov.ru and redspot.com.au.

At least part of the name servers for lib4school.ru are shared with other domains, for instance whytap.in, bluestarit.com, hydrio.be, pobreflix.expert and chatrm.com.

These name servers are commonly used alongside sloan.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

Host names with six IP numbers:

tani.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae0, 2803:f800:50::6ca2:c0e0, 2a06:98c1:50::ac40:20e0, 108.162.192.224, 172.64.32.224 and 173.245.58.224.

trey.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf2, 2803:f800:50::6ca2:c1f2, 2a06:98c1:50::ac40:21f2, 108.162.193.242, 172.64.33.242 and 173.245.59.242.

lib4school.ru - robtex.com

lib4school.ru

ru

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`lib4school.ru`

`ru`