`schoolos.net`

DNSSEC	⚠️ Not signed
A	82.180.136.237^{🇺🇸 IIHOS00182.180.136.0/22 HOSTINGER US}
		PTR	`cp.schoolos.net`
NS	`kobe.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kobe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kobe.ns.cloudflare.com`
		A	108.162.195.193^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
		A	162.159.44.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
		A	172.64.35.193^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com -all`
SOA	`kobe.ns.cloudflare.com`dns@cloudflare.com serial=2397337984

`net`

	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=1771291465

Previously MX for

schoolos.net

Same first word

schoolos.net

Similar names

schoolso.com

osschool.com

DNS History

15 records (6 active, 9 former)

●NSkobe.ns.cloudflare.com2026-03-12 → 2026-03-23 · 3 obs

○ 2016-09-24 14:52:30
● 2026-03-12 18:11:52
● 2026-03-23 21:34:42

○NSns1.arvixeshared.com2015-12-12 → 2016-09-24 · 5 obs

○ 2015-10-02 22:04:30
● 2015-12-12 07:58:38
● 2016-09-24 14:52:30
○ 2026-03-12 18:11:52
○ 2026-03-23 21:34:42

○NSns1.gazelle.arvixe.com2015-07-03 → 2015-10-02 · 5 obs

○ 2007-09-17 10:55:38
● 2015-07-03 05:36:46
● 2015-10-02 22:04:30
○ 2015-12-12 07:58:38
○ 2026-03-23 21:34:42

○NSns1.premieragendas.com2007-09-17 → 2007-09-17 · 3 obs

● 2007-09-17 10:55:38
○ 2015-07-03 05:36:46
○ 2026-03-23 21:34:42

○NSns2.arvixeshared.com2015-12-12 → 2016-09-24 · 5 obs

○ 2015-10-02 22:04:30
● 2015-12-12 07:58:38
● 2016-09-24 14:52:30
○ 2026-03-12 18:11:52
○ 2026-03-23 21:34:42

○NSns2.gazelle.arvixe.com2015-07-03 → 2015-10-02 · 5 obs

○ 2007-09-17 10:55:38
● 2015-07-03 05:36:46
● 2015-10-02 22:04:30
○ 2015-12-12 07:58:38
○ 2026-03-23 21:34:42

○NSns2.premieragendas.com2007-09-17 → 2007-09-17 · 3 obs

● 2007-09-17 10:55:38
○ 2015-07-03 05:36:46
○ 2026-03-23 21:34:42

●NSruth.ns.cloudflare.com2026-03-12 → 2026-03-23 · 3 obs

○ 2016-09-24 14:52:30
● 2026-03-12 18:11:52
● 2026-03-23 21:34:42

●MXmx.zoho.com2026-03-12 → 2026-03-23 · 3 obs

○ 2016-09-24 14:52:30
● 2026-03-12 18:11:52
● 2026-03-23 21:34:42

●MXmx2.zoho.com2026-03-12 → 2026-03-23 · 3 obs

○ 2016-09-24 14:52:30
● 2026-03-12 18:11:52
● 2026-03-23 21:34:42

●MXmx3.zoho.com2026-03-12 → 2026-03-23 · 3 obs

○ 2016-09-24 14:52:30
● 2026-03-12 18:11:52
● 2026-03-23 21:34:42

○MXschoolos.net2015-07-03 → 2016-09-24 · 5 obs

○ 2007-09-17 10:55:38
● 2015-07-03 05:36:46
● 2016-09-24 14:52:30
○ 2026-03-12 18:11:52
○ 2026-03-23 21:34:42

○A108.175.157.402015-07-03 → 2015-10-02 · 5 obs

○ 2007-09-17 10:55:38
● 2015-07-03 05:36:46
● 2015-10-02 22:04:30
○ 2015-12-12 07:58:38
○ 2026-03-23 21:34:42

○A159.253.139.792015-12-12 → 2016-09-24 · 5 obs

○ 2015-10-02 22:04:30
● 2015-12-12 07:58:38
● 2016-09-24 14:52:30
○ 2026-03-12 18:11:52
○ 2026-03-23 21:34:42

●A82.180.136.2372026-03-12 → 2026-03-23 · 3 obs

○ 2016-09-24 14:52:30
● 2026-03-12 18:11:52
● 2026-03-23 21:34:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
schoolos.net	kobe.ns.cloudflare.com, ruth.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.143

NS records: kobe.ns.cloudflare.com, ruth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolos.net (unsigned zone)

⏱️ Timing

Total: 512ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.180.136.237`
NS	2	`kobe.ns.cloudflare.com, ruth.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	1	`v=spf1 include:zohomail.com -all`
SOA	1	`kobe.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

schoolos.net resolves to a single IP: 82.180.136.237.

Name Servers

schoolos.net has two name servers: kobe.ns.cloudflare.com and ruth.ns.cloudflare.com.

The domain schoolos.net shares the same name server setup as other domains, for instance nmarier.com.

schoolos.net shares some name servers with other domains, for example kitt-c36.workers.dev, cb6879.com, yahwealth.com, queventaja.com and atomsdigital.com.

Host names with six IP numbers: kobe.ns.cloudflare.com points to: 2606:4700:58::a29f:2cc1, 2803:f800:50::6ca2:c3c1, 2a06:98c1:50::ac40:23c1, 108.162.195.193, 162.159.44.193 and 172.64.35.193; ruth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8f, 2803:f800:50::6ca2:c08f, 2a06:98c1:50::ac40:208f, 108.162.192.143, 172.64.32.143 and 173.245.58.143.

Mail Servers

schoolos.net is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

schoolos.net shares some mail servers with other domains, at least partially; for instance vpswebserver.com, tumicro.pe, agnesstrand.com, demetio.dev and pomnia.com.

Host names with two IP numbers:

mx.zoho.com points to 136.143.183.44 and 204.141.43.44.

Host names with one IP number:

mx2.zoho.com points to 136.143.183.44.

mx3.zoho.com points to 204.141.43.44.

Host names that point to 136.143.183.44: mx.zoho.com and mx2.zoho.com.

Host names that point to 204.141.43.44: mx.zoho.com and mx3.zoho.com.

schoolos.net - robtex.com

schoolos.net

net

Previously MX 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

`schoolos.net`

`net`