classloop.net - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

classloop.net

DNSSEC⚠️ Not signed
A20.39.198.183🇰🇷 Microsoft20.36.0.0/14 MICROSOFT
NSns1-37.azure-dns.com
A2603:1061:0:10::25🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-37.azure-dns.com
A150.171.10.37🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns1-37.azure-dns.com
NSns2-37.azure-dns.net
A2620:1ec:8ec:10::25🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-37.azure-dns.net
A150.171.16.37🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-37.azure-dns.net
NSns3-37.azure-dns.org
A2a01:111:4000:10::25🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-37.azure-dns.org
A13.107.222.37🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns3-37.azure-dns.org
NSns4-37.azure-dns.info
A2620:1ec:bda:10::25🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-37.azure-dns.info
A13.107.206.37🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns4-37.azure-dns.info
MXmail.classloop.net
A20.39.198.183🇰🇷 Microsoft20.36.0.0/14 MICROSOFT
TXT"v=spf1 ip4:210.122.38.160 -all"
TXTturingsign=D6A13620-F28B-7F49-EDA5-26BB3E2B7F10
TXTturingsign=6ddcc18eddb84ba186ff8105f491b56d
SOAns1-37.azure-dns.comazuredns-hostmaster@microsoft.com serial=1

net

Subdomains

Same first word

Similar names

Previous names

Next names

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1-37.azure-dns.comns2-37.azure-dns.netns3-37.azure-dns.orgns4-37.azure-dns.infons05.domaincontrol.comns06.domaincontrol.comMXmail.classloop.netmailstore1.secureserver.netsmtp.secureserver.netA20.39.198.18350.63.202.21
NSns05.domaincontrol.com2015-06-14 → 2015-11-03 · 4 obs
● 2015-06-14 01:54:52
● 2015-11-03 11:08:42
○ 2016-01-17 20:09:54
○ 2026-09-18 00:00:12
NSns06.domaincontrol.com2015-06-14 → 2015-11-03 · 4 obs
● 2015-06-14 01:54:52
● 2015-11-03 11:08:42
○ 2016-01-17 20:09:54
○ 2026-09-18 00:00:12
NSns1-37.azure-dns.com2026-03-31 → 2026-09-18 · 3 obs
○ 2016-01-17 20:09:54
● 2026-03-31 22:25:56
● 2026-09-18 00:00:12
NSns2-37.azure-dns.net2026-03-31 → 2026-09-18 · 3 obs
○ 2016-01-17 20:09:54
● 2026-03-31 22:25:56
● 2026-09-18 00:00:12
NSns3-37.azure-dns.org2026-03-31 → 2026-09-18 · 3 obs
○ 2016-01-17 20:09:54
● 2026-03-31 22:25:56
● 2026-09-18 00:00:12
NSns4-37.azure-dns.info2026-03-31 → 2026-09-18 · 3 obs
○ 2016-01-17 20:09:54
● 2026-03-31 22:25:56
● 2026-09-18 00:00:12
MXmail.classloop.net2026-03-31 → 2026-09-18 · 3 obs
○ 2016-01-17 20:09:54
● 2026-03-31 22:25:56
● 2026-09-18 00:00:12
MXmailstore1.secureserver.net2015-06-14 → 2015-11-03 · 4 obs
● 2015-06-14 01:54:52
● 2015-11-03 11:08:42
○ 2016-01-17 20:09:54
○ 2026-09-18 00:00:12
MXsmtp.secureserver.net2015-06-14 → 2015-11-03 · 4 obs
● 2015-06-14 01:54:52
● 2015-11-03 11:08:42
○ 2016-01-17 20:09:54
○ 2026-09-18 00:00:12
A20.39.198.1832026-03-31 → 2026-09-18 · 3 obs
○ 2016-01-17 20:09:54
● 2026-03-31 22:25:56
● 2026-09-18 00:00:12
A50.63.202.212015-06-14 → 2015-11-03 · 4 obs
● 2015-06-14 01:54:52
● 2015-11-03 11:08:42
○ 2016-01-17 20:09:54
○ 2026-09-18 00:00:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netf.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...-
classloop.netns1-37.azure-dns.com, ns2-37.azure-dns.net, ns4-37.azure-dns.info, ns3-37.azure-dns.org2 records

✅ Authoritative Response

Server:13.107.222.37

NS records: ns1-37.azure-dns.com, ns2-37.azure-dns.net, ns4-37.azure-dns.info, ns3-37.azure-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classloop.net (unsigned zone)

⏱️ Timing

Total: 912ms | Queries: -

📄 Records

TypeCountSample Data
A120.39.198.183
NS4ns1-37.azure-dns.com, ns2-37.azure-dns.net...
MX1mail.classloop.net (pri: 1)
TXT3"v=spf1 ip4:210.122.38.160 -all", turingsign=D6A13620-F28B-7F49-EDA5-26BB3...
SOA1ns1-37.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2-37.azure-dns.net, ns2-37.azure-dns.net)

Analysis

Hierarchy

mail.classloop.net is delegated beneath classloop.net.

IP Addresses

classloop.net points to a single IP number: 20.39.198.183.

Additional host names — compassdigibooks.com, savewon.co.kr, compass-school.com and two others — share IP numbers with classloop.net.

Name Servers

classloop.net has four authoritative name servers: ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns2-37.azure-dns.net and ns3-37.azure-dns.org.

There is at least partial name server overlap between classloop.net and other domains — noignv.it, accounts.trimble.com, universe-digitaline.it and two more among them.

All four hostnames — ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns2-37.azure-dns.net and ns3-37.azure-dns.org — resolve to two IP numbers apiece: ns1-37.azure-dns.com to 150.171.10.37 and 2603:1061:0:10::25; ns4-37.azure-dns.info to 13.107.206.37 and 2620:1ec:bda:10::25; ns2-37.azure-dns.net to 150.171.16.37 and 2620:1ec:8ec:10::25; ns3-37.azure-dns.org to 13.107.222.37 and 2a01:111:4000:10::25.

Mail Servers

classloop.net has one mail server: mail.classloop.net.

mail.classloop.net carries a single IP number, which is 20.39.198.183.