mail.classnet.tech - dns.ninja

mail.classnet.tech

CNAMEclassnet.tech
DNSSEC⚠️ Not signed
A129.121.43.185🇺🇸 ENETWORKS128.0.0.0/2
PTRdedi-15192494.mcf.srv.br
NSdns3.hostgator.com.br ⭐
A162.240.81.81🇺🇸 EIGI162.240.0.0/15 1958 South 950 East Provo UT 84606 United States
PTR162-240-81-81.unifiedlayer.com
NSdns4.hostgator.com.br
A162.240.81.83🇺🇸 EIGI162.240.0.0/15 1958 South 950 East Provo UT 84606 United States
PTR162-240-81-83.unifiedlayer.com
MXclassnet-tech.mail.protection.outlook.com ⭐
A2a01:111:f403:c91d::a🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr21cu00202.inbound.protection.outlook.com
A2a01:111:f403:c922::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr03cu00200.inbound.protection.outlook.com
A2a01:111:f403:f902::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mn2pr02cu00202.inbound.protection.outlook.com
A2a01:111:f403:f913::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-cy5pr05cu00101.inbound.protection.outlook.com
A52.101.9.0🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl2pr02cu00100.inbound.protection.outlook.com
A52.101.9.17🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
A52.101.11.19🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr04cu00203.inbound.protection.outlook.com
A52.101.40.24🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy5pr05cu00100.inbound.protection.outlook.com
TXTgoogle-site-verification=qlml4LIIrnzHH8cgNyOPpjmGyu-fxHRByY6dOfO_15o
TXTv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br inclu...
SOAdns3.hostgator.com.brroot@dns3.hostgator.com.br 2026-06-19 #2

classnet.tech

DNSSEC⚠️ Not signed
A129.121.43.185🇺🇸 ENETWORKS128.0.0.0/2
NSdns3.hostgator.com.br ⭐
NSdns4.hostgator.com.br
MXclassnet-tech.mail.protection.outlook.com ⭐
TXTgoogle-site-verification=qlml4LIIrnzHH8cgNyOPpjmGyu-fxHRByY6dOfO_15o
TXTv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br inclu...
SOAdns3.hostgator.com.brroot@dns3.hostgator.com.br 2026-06-19 #2

Previously MX for

classnet.tech

Same first word

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mail.technology

DNS History

2 records (1 active, 1 former)

202120222023202420252026A192.185.211.114CNAMEclassnet.tech
○A192.185.211.1142020-02-08 → 2020-02-08 · 3 obs
● 2020-02-08 17:24:52
○ 2026-07-07 15:16:58
○ 2026-07-07 15:17:00
●CNAMEclassnet.tech2026-07-07 → 2026-07-07 · 2 obs
● 2026-07-07 15:16:58
● 2026-07-07 15:17:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net8 records
classnet.techdns3.hostgator.com.br, dns4.hostgator.com.br-

✅ Authoritative Response

Server:162.240.81.81

NS records: dns3.hostgator.com.br, dns4.hostgator.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classnet.tech (unsigned zone)

⏱️ Timing

Total: 487ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1classnet.tech

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)

Analysis

IP Addresses

mail.classnet.tech points to a single IP number: 129.121.43.185.

Host names such as classnet.tech, slmadv.com.br and qrplus.com.br share their IP numbers with mail.classnet.tech.

Name Servers

The NS records for mail.classnet.tech delegate to dns3.hostgator.com.br and dns4.hostgator.com.br.

mail.classnet.tech shares its name server setup with other domains, including ipetstar.com, howtomakeawomancome.com, thedesignerdiaries.com and two others.

mail.classnet.tech and other domains like cortinasfenix.com share at least a portion of their name servers.

dns3.hostgator.com.br → 162.240.81.81 and dns4.hostgator.com.br → 162.240.81.83: one IP number per host name.

Mail Servers

mail.classnet.tech has one mail server: classnet-tech.mail.protection.outlook.com.

mail.classnet.tech shares its mail server setup with other domains, such as classnet.tech.

classnet-tech.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.0, 52.101.9.17, 52.101.11.19 and 5 other.