`computerschool.co`

DNSSEC	⚠️ Not signed
A	104.143.9.210^{🇺🇸 THEPRODUCERS104.143.9.0/24 The Producers, Inc. Equinix NY4}
A	104.143.9.211^{🇺🇸 THEPRODUCERS104.143.9.0/24 The Producers, Inc. Equinix NY4}
NS	`ns0.directnic.com` ⭐
		A	2602:fc8e:0:688f:9::41^{🇺🇸 THEPRODUCERS2602:fc8e::/40 The Producers, Inc. Equinix NY4}
		A	104.143.9.41^{🇺🇸 THEPRODUCERS104.143.9.0/24 The Producers, Inc. Equinix NY4}
NS	`ns1.directnic.com`
		A	2600:3c01::f03c:94ff:fe81:e767^{🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies}
		A	23.239.4.33^{🇺🇸 AKAMAI-LINODE-AP23.239.0.0/21 Akamai Technologies}
			PTR	`dnic-ns1.directnic.net`
NS	`ns2.directnic.com`
		A	2602:fc8e:0:688f:9::42^{🇺🇸 THEPRODUCERS2602:fc8e::/40 The Producers, Inc. Equinix NY4}
		A	104.143.9.42^{🇺🇸 THEPRODUCERS104.143.9.0/24 The Producers, Inc. Equinix NY4}
NS	`ns3.directnic.com`
		A	2600:3c00::f03c:94ff:fe81:b947^{🇺🇸 AKAMAI-LINODE-AP2600:3c00::/32 Akamai Technologies}
		A	45.33.11.85^{🇺🇸 AKAMAI-LINODE-AP45.33.0.0/19 Akamai Technologies}
			PTR	`dnic-ns3.directnic.net`
MX	`mail.computerschool.co` ⭐
		A	104.143.9.101^{🇺🇸 THEPRODUCERS104.143.9.0/24 The Producers, Inc. Equinix NY4}
			PTR	`dnic-mxfwd1.directnic.net`
TXT	`v=spf1 mx ~all`
SOA	`ns0.directnic.com`hostmaster@directnic.com serial=1289794205

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759642574

Subdomains

mail.computerschool.co

Same first word

Similar names

schoolcomputer.nl

schoolcomputer.com

DNS History

8 records (7 active, 1 former)

●NSns0.directnic.com2015-08-09 → 2026-04-25 · 2 obs

● 2015-08-09 16:24:26
● 2026-04-25 09:22:22

●NSns1.directnic.com2015-08-09 → 2026-04-25 · 2 obs

● 2015-08-09 16:24:26
● 2026-04-25 09:22:22

●NSns2.directnic.com2026-04-05 → 2026-04-25 · 3 obs

○ 2015-08-09 16:24:26
● 2026-04-05 01:09:38
● 2026-04-25 09:22:22

●NSns3.directnic.com2026-04-05 → 2026-04-25 · 3 obs

○ 2015-08-09 16:24:26
● 2026-04-05 01:09:38
● 2026-04-25 09:22:22

●MXmail.computerschool.co2026-04-05 → 2026-04-25 · 2 obs

● 2026-04-05 01:09:38
● 2026-04-25 09:22:22

●A104.143.9.2102026-04-05 → 2026-04-25 · 3 obs

○ 2016-09-23 01:32:36
● 2026-04-05 01:09:38
● 2026-04-25 09:22:22

●A104.143.9.2112026-04-05 → 2026-04-25 · 3 obs

○ 2016-09-23 01:32:36
● 2026-04-05 01:09:38
● 2026-04-25 09:22:22

○A74.117.221.1432015-08-09 → 2016-09-23 · 4 obs

● 2015-08-09 16:24:26
● 2016-09-23 01:32:36
○ 2026-04-05 01:09:38
○ 2026-04-25 09:22:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co	-
computerschool.co	ns3.directnic.com, ns0.directnic.com, ns1.directnic.com, ns2.directnic.com	-

✅ Authoritative Response

Server:23.239.4.33

NS records: ns3.directnic.com, ns0.directnic.com, ns1.directnic.com, ns2.directnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerschool.co (unsigned zone)

⏱️ Timing

Total: 1096ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.143.9.211, 104.143.9.210`
NS	4	`ns3.directnic.com, ns2.directnic.com...`
MX	1	`mail.computerschool.co (pri: 0)`
TXT	1	`v=spf1 mx ~all`
SOA	1	`ns0.directnic.com hostmaster.directnic.c`

Analysis

Hierarchy

mail.computerschool.co has computerschool.co as its parent.

IP Addresses

computerschool.co points to two IPs: 104.143.9.210 and 104.143.9.211.

Other host names, for instance servpro911.net, booktweet.org, robinetta.nl, dirtychat.com and techstartaiwan.com share IP numbers with computerschool.co.

Name Servers

computerschool.co is delegated to four name servers: ns0.directnic.com, ns1.directnic.com, ns2.directnic.com and ns3.directnic.com.

computerschool.co at least partially shares name servers with other domains such as edotmedia.net, 10chainsystem.com, capcorder.com, evtoy.com and interactivecarenetwork.com.

Host names with two IP numbers:

ns0.directnic.com points to 2602:fc8e:0:688f:9::41 and 104.143.9.41

ns1.directnic.com points to 2600:3c01::f03c:94ff:fe81:e767 and 23.239.4.33

ns2.directnic.com points to 2602:fc8e:0:688f:9::42 and 104.143.9.42

ns3.directnic.com points to 2600:3c00::f03c:94ff:fe81:b947 and 45.33.11.85

Mail Servers

computerschool.co is handled by a single mail server, mail.computerschool.co.

mail.computerschool.co points to one IP number: 104.143.9.101.

computerschool.co - robtex.com