classstream.online - dns.ninja

classstream.online

DNSSEC⚠️ Not signed
A54.93.103.181🇩🇪 Amazon54.93.64.0/18 EC2 FRA prefix
PTRec2-54-93-103-181.eu-central-1.compute.amazonaws.com
NScns1.alfahosting.info ⭐
A2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32
PTRcns1.cloudpit.de
A109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20
PTRcns1.cloudpit.de
NScns2.alfahosting.info
A2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRcns2.cloudpit.com
A148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2
PTRcns2.cloudpit.com
NScns3.alfahosting.info
A2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48
PTRcns3.cloudpit.io
A109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20
PTRcns3.cloudpit.io
MXmail.classstream.online ⭐
A54.93.103.181🇩🇪 Amazon54.93.64.0/18 EC2 FRA prefix
PTRec2-54-93-103-181.eu-central-1.compute.amazonaws.com
SOAcns1.alfahosting.infohostmaster@alfahosting@de 2026-05-18 #2

online

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1780549111

Subdomains

mail.classstream.online

Same first word

classstream.com
classstream.online

Similar names

classmaster.com
masterclass.com.br
masterclass.hu
masterclass.eu
masterclass.edu.ge
masterclass.no
masterclass.team
masterclass.digital
masterclass.io
masterclass.al
classmaster.cz
masterclass.co.ke
masterclass.com.tr
smtcarsales.com
masterclass.gr
masterclass.ca
masterclass.lv
masterclass.care
masterclass.kg
classmaster.in
masterclass.jp
masterclass.co.id
classmaster.ru
masterclass.dev
masterclass.agency
masterclass.world
masterclass.cc
masterclass.com
masterclass.net
masterclass.bg
masterclass.media
masterclass.today
slamactress.com
masterclass.fr
masterclass.uz
classmaster.co.uk
masterclass.pt
esmartclass.net
masterclass.pk
masterclass.com.ua
masterclass.sydney
masterclass.ch
masterclass.cl
masterclass.am
smartscales.ru
masterclass.info
masterclass.it
masterclass.site
masterclass.se
masterclass.be
classmaster.ca
masterclass.co.uk
masterclass.dk
esmartclass.com
scarletmass.com
masterclass.courses
masterclass.co
masterclass.my
masterclass.ie
masterclass.ninja
masterclass.at
masterclass.com.hk
masterclass.de
masterclass.com.es
masterclass.com.mx
masterclass.az
masterclass.ng
masterclass.co.za
masterclass.lt
masterclass.us
masterclass.pl
classmaster.eu
masterclass.biz

DNS History

13 records (5 active, 8 former)

2017201820192020202120222023202420252026NScns1.alfahosting.infocns2.alfahosting.infocns3.alfahosting.infons43.domaincontrol.comns44.domaincontrol.comMXmail.classstream.onlinemailstore1.secureserver.netsmtp.secureserver.netA54.93.103.181198.185.159.144198.185.159.145198.49.23.144198.49.23.145
●NScns1.alfahosting.info2026-03-14 → 2026-06-04 · 3 obs
○ 2017-12-28 11:04:40
● 2026-03-14 06:56:52
● 2026-06-04 05:15:50
●NScns2.alfahosting.info2026-03-14 → 2026-06-04 · 3 obs
○ 2017-12-28 11:04:40
● 2026-03-14 06:56:52
● 2026-06-04 05:15:50
●NScns3.alfahosting.info2026-03-14 → 2026-06-04 · 3 obs
○ 2017-12-28 11:04:40
● 2026-03-14 06:56:52
● 2026-06-04 05:15:50
○NSns43.domaincontrol.com2016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
○NSns44.domaincontrol.com2016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
●MXmail.classstream.online2026-03-14 → 2026-06-04 · 3 obs
○ 2017-12-28 11:04:40
● 2026-03-14 06:56:52
● 2026-06-04 05:15:50
○MXmailstore1.secureserver.net2016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
○MXsmtp.secureserver.net2016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
○A198.185.159.1442016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
○A198.185.159.1452016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
○A198.49.23.1442016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
○A198.49.23.1452016-12-13 → 2017-12-28 · 4 obs
● 2016-12-13 02:35:24
● 2017-12-28 11:04:40
○ 2026-03-14 06:56:52
○ 2026-06-04 05:15:50
●A54.93.103.1812026-03-14 → 2026-06-04 · 3 obs
○ 2017-12-28 11:04:40
● 2026-03-14 06:56:52
● 2026-06-04 05:15:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
onlinens10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.com, ns01.trs-dns.net-
classstream.onlinecns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info-

✅ Authoritative Response

Server:148.251.254.105

NS records: cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classstream.online (unsigned zone)

⏱️ Timing

Total: 2057ms | Queries: -

📄 Records

TypeCountSample Data
A154.93.103.181
NS3cns1.alfahosting.info, cns2.alfahosting.info...
MX1mail.classstream.online (pri: 10)
SOA1cns1.alfahosting.info hostmaster@alfahos

Analysis

Hierarchy

classstream.online is a parent domain of mail.classstream.online.

IP Addresses

classstream.online has exactly one IP address — 54.93.103.181.

Host names such as ec2-54-93-103-181.eu-central-1.compute.amazonaws.com and mail.classstream.online share IP numbers with classstream.online.

Name Servers

classstream.online is served by three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

classstream.online shares at least some of its name servers with other domains, including ci-products.de, party-knemuehle.de, dirk-velte.de and two others.

The hostnames cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info each direct to two IP addresses — cns1.alfahosting.info to 109.237.142.8 and 2a01:64c0:0:5000::8, cns2.alfahosting.info to 148.251.254.105 and 2a01:4f8:2b02:a88::105, and cns3.alfahosting.info to 109.237.143.8 and 2a02:2b80:101:5000::8.

Mail Servers

classstream.online uses one mail server — mail.classstream.online.

mail.classstream.online resolves to 54.93.103.181 and no other IP number.