`o2schools.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:12d2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b75d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.210^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.93^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`armfazh.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c368^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`armfazh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2368^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`armfazh.ns.cloudflare.com`
		A	108.162.195.104^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	162.159.44.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	172.64.35.104^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
NS	`violet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`violet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`violet.ns.cloudflare.com`
		A	108.162.192.237^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	172.64.32.237^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
		A	173.245.58.237^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`violet.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.210, 172.67.183.93
		IPv6 hints	2606:4700:3033::6815:12d2, 2606:4700:3035::ac43:b75d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=6, name=cloudflare-ech.com
SOA	`armfazh.ns.cloudflare.com`dns@cloudflare.com serial=2407907396

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782754016

rank #956344 globally
rank #435154 in the tld

Same first word

o2schools.com

DNS History

17 records (6 active, 11 former)

●NSarmfazh.ns.cloudflare.com2026-06-25 → 2026-06-29 · 3 obs

○ 2026-06-18 18:49:18
● 2026-06-25 22:57:34
● 2026-06-29 17:41:46

○NSdns1.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

○NSdns2.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

○NSns1.dns.com2026-06-18 → 2026-06-18 · 4 obs

○ 2017-09-29 13:44:00
● 2026-06-18 18:49:18
○ 2026-06-25 22:57:34
○ 2026-06-29 17:41:46

○NSns2.dns.com2026-06-18 → 2026-06-18 · 4 obs

○ 2017-09-29 13:44:00
● 2026-06-18 18:49:18
○ 2026-06-25 22:57:34
○ 2026-06-29 17:41:46

●NSviolet.ns.cloudflare.com2026-06-25 → 2026-06-29 · 3 obs

○ 2026-06-18 18:49:18
● 2026-06-25 22:57:34
● 2026-06-29 17:41:46

○MXeforward1.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

○MXeforward2.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

○MXeforward3.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

○MXeforward4.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

○MXeforward5.registrar-servers.com2017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

●A104.21.18.2102026-06-25 → 2026-06-29 · 3 obs

○ 2026-06-18 18:49:18
● 2026-06-25 22:57:34
● 2026-06-29 17:41:46

○A162.255.119.612017-09-29 → 2017-09-29 · 3 obs

● 2017-09-29 13:44:00
○ 2026-06-18 18:49:18
○ 2026-06-29 17:41:46

●A172.67.183.932026-06-25 → 2026-06-29 · 3 obs

○ 2026-06-18 18:49:18
● 2026-06-25 22:57:34
● 2026-06-29 17:41:46

○A192.186.45.112026-06-18 → 2026-06-18 · 4 obs

○ 2017-09-29 13:44:00
● 2026-06-18 18:49:18
○ 2026-06-25 22:57:34
○ 2026-06-29 17:41:46

●A2606:4700:3033::6815:12d22026-06-25 → 2026-06-29 · 3 obs

○ 2026-06-18 18:49:18
● 2026-06-25 22:57:34
● 2026-06-29 17:41:46

●A2606:4700:3035::ac43:b75d2026-06-25 → 2026-06-29 · 3 obs

○ 2026-06-18 18:49:18
● 2026-06-25 22:57:34
● 2026-06-29 17:41:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
o2schools.com	violet.ns.cloudflare.com, armfazh.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.237

NS records: violet.ns.cloudflare.com, armfazh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o2schools.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.18.210, 172.67.183.93`
AAAA	2	`2606:4700:3033::6815:12d2, 2606:4700:3035::ac43:b75d`
NS	2	`armfazh.ns.cloudflare.com, violet.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`armfazh.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (violet.ns.cloudflare.com, violet.ns.cloudflare.com, violet.ns.cloudflare.com...)

Analysis

IP Addresses

o2schools.com directs to four IP numbers, which are 104.21.18.210, 172.67.183.93, 2606:4700:3033::6815:12d2 and 2606:4700:3035::ac43:b75d.

Among the host names that share IP numbers with o2schools.com are easypeo.com, primenanoconsulting.pics, www.x8nn.com and two others.

Name Servers

o2schools.com is delegated to two name servers: armfazh.ns.cloudflare.com and violet.ns.cloudflare.com.

o2schools.com has the same name server delegation as a number of other domains, such as fibici.com, 1733dnf.com, kjzsoft.com and two more.

The name servers of o2schools.com overlap at least partially with those of other domains — among them 29mail.com, blogdeconcursos.com, 0x7g.com and two more.

These name servers commonly appear alongside the name servers reese.ns.cloudflare.com and ace.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

armfazh.ns.cloudflare.com resolves to 108.162.195.104, 162.159.44.104, 172.64.35.104 and 3 other IP addresses.

violet.ns.cloudflare.com resolves to 108.162.192.237, 172.64.32.237, 173.245.58.237 and 3 other IP addresses.

o2schools.com - robtex.com

o2schools.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`o2schools.com`

`com`