computerscienceforkids.com - dns.ninja

computerscienceforkids.com

DNSSEC⚠️ Not signed
A64.90.50.133🇺🇸 AS2634764.90.32.0/19 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES
PTRapache2-lip.pdx1-shared-a4-07.dreamhost.com
NSns1.dreamhost.com ⭐
A162.159.26.14Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dreamhost.com
NSns2.dreamhost.com
A162.159.26.81Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dreamhost.com
NSns3.dreamhost.com
A162.159.27.84Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.dreamhost.com
MXmx1.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix
PTRec2-54-69-1-140.us-west-2.compute.amazonaws.com
TXTv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
SOAns1.dreamhost.comhostmaster@dreamhost.com 2026-06-20 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785184172
WOT: SAFE (66/100)

Subdomains

www.computerscienceforkids.com

Same first word

computerscienceforkids.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comMXmx1.mailchannels.netmx2.mailchannels.netcomputerscienceforkids-com.mail.eo.outlook.comvade-in1.mail.dreamhost.comvade-in2.mail.dreamhost.comA64.90.50.133134.170.208.70134.170.210.70208.113.212.18
○NSns1.bdm.microsoftonline.com2015-08-04 → 2017-03-17 · 4 obs
● 2015-08-04 20:31:38
● 2017-03-17 07:56:50
○ 2020-02-10 18:07:58
○ 2026-07-27 20:43:36
●NSns1.dreamhost.com2020-02-10 → 2026-07-27 · 3 obs
○ 2017-03-17 07:56:50
● 2020-02-10 18:07:58
● 2026-07-27 20:43:36
○NSns2.bdm.microsoftonline.com2015-08-04 → 2017-03-17 · 4 obs
● 2015-08-04 20:31:38
● 2017-03-17 07:56:50
○ 2020-02-10 18:07:58
○ 2026-07-27 20:43:36
●NSns2.dreamhost.com2020-02-10 → 2026-07-27 · 3 obs
○ 2017-03-17 07:56:50
● 2020-02-10 18:07:58
● 2026-07-27 20:43:36
○NSns3.bdm.microsoftonline.com2015-08-04 → 2017-03-17 · 4 obs
● 2015-08-04 20:31:38
● 2017-03-17 07:56:50
○ 2020-02-10 18:07:58
○ 2026-07-27 20:43:36
●NSns3.dreamhost.com2020-02-10 → 2026-07-27 · 3 obs
○ 2017-03-17 07:56:50
● 2020-02-10 18:07:58
● 2026-07-27 20:43:36
○NSns4.bdm.microsoftonline.com2015-08-04 → 2017-03-17 · 4 obs
● 2015-08-04 20:31:38
● 2017-03-17 07:56:50
○ 2020-02-10 18:07:58
○ 2026-07-27 20:43:36
○MXcomputerscienceforkids-com.mail.eo.outlook.com2015-08-04 → 2017-03-17 · 4 obs
● 2015-08-04 20:31:38
● 2017-03-17 07:56:50
○ 2020-02-10 18:07:58
○ 2026-07-27 20:43:36
●MXmx1.mailchannels.net2026-02-27 → 2026-07-27 · 3 obs
○ 2020-02-10 18:07:58
● 2026-02-27 23:57:16
● 2026-07-27 20:43:36
●MXmx2.mailchannels.net2026-02-27 → 2026-07-27 · 3 obs
○ 2020-02-10 18:07:58
● 2026-02-27 23:57:16
● 2026-07-27 20:43:36
○MXvade-in1.mail.dreamhost.com2020-02-10 → 2020-02-10 · 4 obs
○ 2017-03-17 07:56:50
● 2020-02-10 18:07:58
○ 2026-02-27 23:57:16
○ 2026-07-27 20:43:36
○MXvade-in2.mail.dreamhost.com2020-02-10 → 2020-02-10 · 4 obs
○ 2017-03-17 07:56:50
● 2020-02-10 18:07:58
○ 2026-02-27 23:57:16
○ 2026-07-27 20:43:36
○A134.170.208.702016-03-01 → 2017-03-17 · 5 obs
○ 2015-11-29 10:08:40
● 2016-03-01 00:34:28
● 2017-03-17 07:56:50
○ 2020-02-10 18:07:58
○ 2026-07-27 20:43:36
○A134.170.210.702015-08-04 → 2015-11-29 · 4 obs
● 2015-08-04 20:31:38
● 2015-11-29 10:08:40
○ 2016-03-01 00:34:28
○ 2026-07-27 20:43:36
○A208.113.212.182020-02-10 → 2020-02-10 · 4 obs
○ 2017-03-17 07:56:50
● 2020-02-10 18:07:58
○ 2026-02-27 23:57:16
○ 2026-07-27 20:43:36
●A64.90.50.1332026-02-27 → 2026-07-27 · 3 obs
○ 2020-02-10 18:07:58
● 2026-02-27 23:57:16
● 2026-07-27 20:43:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...-
computerscienceforkids.comns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com3 records

✅ Authoritative Response

Server:162.159.26.14

NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerscienceforkids.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

TypeCountSample Data
A164.90.50.133
NS3ns1.dreamhost.com, ns2.dreamhost.com...
MX2mx2.mailchannels.net (pri: 0), mx1.mailchannels.net (pri: 0)
TXT1v=spf1 mx include:netblocks.dreamhost.co
SOA1ns1.dreamhost.com hostmaster.dreamhost.c

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)

Analysis

Hierarchy

The domain www.computerscienceforkids.com falls under the parent computerscienceforkids.com.

IP Addresses

computerscienceforkids.com resolves to just one IP address, 64.90.50.133.

Two other host names, along with www.computerscienceforkids.com, apache2-lip.pdx1-shared-a4-07.dreamhost.com and samwilket.com, also share IP numbers with computerscienceforkids.com.

Name Servers

computerscienceforkids.com carries NS records delegating to ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.

At least some of computerscienceforkids.com's name servers are shared with other domains, for example benyuart.com, cosnerice.com, rockysilva.com and two more.

ns1.dreamhost.com points to 162.159.26.14; ns2.dreamhost.com points to 162.159.26.81; ns3.dreamhost.com points to 162.159.27.84 — each hostname maps to exactly one IP address.

Mail Servers

computerscienceforkids.com is served by two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.

Among the domains sharing a mail server setup with computerscienceforkids.com are mintprintables.com, popup.co.il, hydrosciences.com and two others.

computerscienceforkids.com uses mail servers that are also used by other domains, including dadad.se, perzzon.org and snitt.net.

Each of mx1.mailchannels.net and mx2.mailchannels.net has one IP address: mx1.mailchannels.net uses 54.187.177.89 and mx2.mailchannels.net uses 54.69.1.140.