tutorialschool.org - dns.ninja

tutorialschool.org

DNSSEC⚠️ Not signed
A173.236.142.165🇺🇸 AS26347173.236.128.0/17 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES
PTRapache2-argon.iad1-shared-e1-27.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
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 2026-05-20 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1780680941
WOT: SAFE (60/100)

Subdomains

www.tutorialschool.org

Same first word

tutorialschool.org
tutorialschool.com

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comns515.pair.comns6.ns0.comMXmx1.mailchannels.netmx2.mailchannels.netfltr-in1.mail.dreamhost.comfltr-in2.mail.dreamhost.commailwash49.pair.commx1.sub5.homie.mail.dreamhost.commx2.sub5.homie.mail.dreamhost.comvade-in1.mail.dreamhost.comvade-in2.mail.dreamhost.comA173.236.142.165173.236.169.35208.113.161.162216.92.190.245
●NSns1.dreamhost.com2015-12-04 → 2026-06-05 · 3 obs
○ 2015-08-14 19:22:30
● 2015-12-04 04:24:32
● 2026-06-05 18:12:54
●NSns2.dreamhost.com2015-12-04 → 2026-06-05 · 3 obs
○ 2015-08-14 19:22:30
● 2015-12-04 04:24:32
● 2026-06-05 18:12:54
●NSns3.dreamhost.com2015-12-04 → 2026-06-05 · 3 obs
○ 2015-08-14 19:22:30
● 2015-12-04 04:24:32
● 2026-06-05 18:12:54
○NSns515.pair.com2015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 19:22:30
○ 2015-12-04 04:24:32
○ 2026-06-05 18:12:54
○NSns6.ns0.com2015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 19:22:30
○ 2015-12-04 04:24:32
○ 2026-06-05 18:12:54
○MXfltr-in1.mail.dreamhost.com2016-03-10 → 2016-07-14 · 5 obs
○ 2015-12-04 04:24:32
● 2016-03-10 10:08:52
● 2016-07-14 10:05:50
○ 2017-03-23 08:53:56
○ 2026-06-05 18:12:54
○MXfltr-in2.mail.dreamhost.com2016-03-10 → 2016-07-14 · 5 obs
○ 2015-12-04 04:24:32
● 2016-03-10 10:08:52
● 2016-07-14 10:05:50
○ 2017-03-23 08:53:56
○ 2026-06-05 18:12:54
○MXmailwash49.pair.com2015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 19:22:30
○ 2015-12-04 04:24:32
○ 2026-06-05 18:12:54
●MXmx1.mailchannels.net2026-02-20 → 2026-06-05 · 3 obs
○ 2020-01-27 05:26:20
● 2026-02-20 19:19:20
● 2026-06-05 18:12:54
○MXmx1.sub5.homie.mail.dreamhost.com2015-12-04 → 2015-12-04 · 4 obs
○ 2015-08-14 19:22:30
● 2015-12-04 04:24:32
○ 2016-03-10 10:08:52
○ 2026-06-05 18:12:54
●MXmx2.mailchannels.net2026-02-20 → 2026-06-05 · 3 obs
○ 2020-01-27 05:26:20
● 2026-02-20 19:19:20
● 2026-06-05 18:12:54
○MXmx2.sub5.homie.mail.dreamhost.com2015-12-04 → 2015-12-04 · 4 obs
○ 2015-08-14 19:22:30
● 2015-12-04 04:24:32
○ 2016-03-10 10:08:52
○ 2026-06-05 18:12:54
○MXvade-in1.mail.dreamhost.com2017-03-23 → 2020-01-27 · 5 obs
○ 2016-07-14 10:05:50
● 2017-03-23 08:53:56
● 2020-01-27 05:26:20
○ 2026-02-20 19:19:20
○ 2026-06-05 18:12:54
○MXvade-in2.mail.dreamhost.com2017-03-23 → 2020-01-27 · 5 obs
○ 2016-07-14 10:05:50
● 2017-03-23 08:53:56
● 2020-01-27 05:26:20
○ 2026-02-20 19:19:20
○ 2026-06-05 18:12:54
●A173.236.142.1652026-02-20 → 2026-06-05 · 3 obs
○ 2020-01-27 05:26:20
● 2026-02-20 19:19:20
● 2026-06-05 18:12:54
○A173.236.169.352016-03-10 → 2020-01-27 · 5 obs
○ 2015-12-04 04:24:32
● 2016-03-10 10:08:52
● 2020-01-27 05:26:20
○ 2026-02-20 19:19:20
○ 2026-06-05 18:12:54
○A208.113.161.1622015-12-04 → 2015-12-04 · 4 obs
○ 2015-08-14 19:22:30
● 2015-12-04 04:24:32
○ 2016-03-10 10:08:52
○ 2026-06-05 18:12:54
○A216.92.190.2452015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 19:22:30
○ 2015-12-04 04:24:32
○ 2026-06-05 18:12:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
tutorialschool.orgns1.dreamhost.com, ns3.dreamhost.com, ns2.dreamhost.com-

✅ Authoritative Response

Server:162.159.26.14

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialschool.org (unsigned zone)

⏱️ Timing

Total: 1633ms | Queries: -

📄 Records

TypeCountSample Data
A1173.236.142.165
NS3ns2.dreamhost.com, ns1.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

Analysis

Hierarchy

The domain www.tutorialschool.org falls under the parent tutorialschool.org.

IP Addresses

tutorialschool.org points to a single IP number: 173.236.142.165.

Additional host names — mg-films.com, madelenon.com, www.warmfusion.com and two others — share IP numbers with tutorialschool.org.

Name Servers

The authoritative name servers for tutorialschool.org are ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com — three in total.

At least some of tutorialschool.org's name servers are shared with other domains, for example simplytitles.com, parkmouse.net, uelwade.org and two more.

The hostnames ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com each resolve to a single IP: ns1.dreamhost.com → 162.159.26.14, ns2.dreamhost.com → 162.159.26.81, ns3.dreamhost.com → 162.159.27.84.

Mail Servers

tutorialschool.org has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

tutorialschool.org shares the same mail server setup as other domains, including ge-ambulance.cz, izzi.software, kathyformilwaukie.com and two others.

At least a portion of tutorialschool.org's mail servers are shared with other domains, among them eskils.info and rottnerospark.se.

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.