classnet.tech - dns.ninja

`classnet.tech`

DNSSEC	⚠️ Not signed
A	129.121.43.185^{🇺🇸 ENETWORKS128.0.0.0/2}
		PTR	`dedi-15192494.mcf.srv.br`
NS	`dns3.hostgator.com.br` ⭐
		A	162.240.81.81^{🇺🇸 EIGI162.240.0.0/15 1958 South 950 East Provo UT 84606 United States}
			PTR	`162-240-81-81.unifiedlayer.com`
NS	`dns4.hostgator.com.br`
		A	162.240.81.83^{🇺🇸 EIGI162.240.0.0/15 1958 South 950 East Provo UT 84606 United States}
			PTR	`162-240-81-83.unifiedlayer.com`
MX	`classnet-tech.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.40.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
		A	52.101.41.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
TXT	`google-site-verification=qlml4LIIrnzHH8cgNyOPpjmGyu-fxHRByY6dOfO_15o`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br inclu...`
SOA	`dns3.hostgator.com.br`root@dns3.hostgator.com.br 2026-06-19 #2

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1783220638

Same first word

classnet.tech

classnet.hu

classnet.it

classnet.ro

classnet.lk

classnet.net.br

classnet.de

classnet.com.co

classnet.co.il

classnet.co.kr

classnet.ru

classnet.net

classnet.work

classnet.com

Similar names

DNS History

13 records (4 active, 9 former)

●NSdns3.hostgator.com.br2026-06-29 → 2026-07-05 · 3 obs

○ 2026-04-07 18:38:22
● 2026-06-29 19:57:04
● 2026-07-05 03:20:54

●NSdns4.hostgator.com.br2026-06-29 → 2026-07-05 · 3 obs

○ 2026-04-07 18:38:22
● 2026-06-29 19:57:04
● 2026-07-05 03:20:54

○NSns1.classnet.tech2026-04-07 → 2026-04-07 · 4 obs

○ 2020-02-08 16:58:44
● 2026-04-07 18:38:22
○ 2026-06-29 19:57:04
○ 2026-07-05 03:20:54

○NSns1.plesk.mobcintra.com.br2026-04-07 → 2026-04-07 · 4 obs

○ 2020-02-08 16:58:44
● 2026-04-07 18:38:22
○ 2026-06-29 19:57:04
○ 2026-07-05 03:20:54

○NSns12.hostgator.com.br2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 16:58:44
○ 2026-04-07 18:38:22
○ 2026-07-05 03:20:54

○NSns13.hostgator.com.br2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 16:58:44
○ 2026-04-07 18:38:22
○ 2026-07-05 03:20:54

○NSns2.classnet.tech2026-04-07 → 2026-04-07 · 4 obs

○ 2020-02-08 16:58:44
● 2026-04-07 18:38:22
○ 2026-06-29 19:57:04
○ 2026-07-05 03:20:54

○NSns2.plesk.mobcintra.com.br2026-04-07 → 2026-04-07 · 4 obs

○ 2020-02-08 16:58:44
● 2026-04-07 18:38:22
○ 2026-06-29 19:57:04
○ 2026-07-05 03:20:54

●MXclassnet-tech.mail.protection.outlook.com2026-04-07 → 2026-07-05 · 3 obs

○ 2020-02-08 16:58:44
● 2026-04-07 18:38:22
● 2026-07-05 03:20:54

○MXmail.classnet.tech2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 16:58:44
○ 2026-04-07 18:38:22
○ 2026-07-05 03:20:54

●A129.121.43.1852026-06-29 → 2026-07-05 · 3 obs

○ 2026-04-07 18:38:22
● 2026-06-29 19:57:04
● 2026-07-05 03:20:54

○A192.185.211.1142020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 16:58:44
○ 2026-04-07 18:38:22
○ 2026-07-05 03:20:54

○A4.201.114.12026-04-07 → 2026-04-07 · 4 obs

○ 2020-02-08 16:58:44
● 2026-04-07 18:38:22
○ 2026-06-29 19:57:04
○ 2026-07-05 03:20:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
classnet.tech	dns4.hostgator.com.br, dns3.hostgator.com.br	-

✅ Authoritative Response

Server:162.240.81.83

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classnet.tech (unsigned zone)

⏱️ Timing

Total: 773ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`129.121.43.185`
NS	2	`dns3.hostgator.com.br, dns4.hostgator.com.br`
MX	1	`classnet-tech.mail.protection.outlook.co`
TXT	2	`google-site-verification=qlml4LIIrnzHH8c, v=spf1 include:spf.protection.outlook.co`
SOA	1	`dns3.hostgator.com.br root.dns3.hostgato`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

classnet.tech resolves to one IP address: 129.121.43.185.

Other host names, among them slmadv.com.br and qrplus.com.br, have IP numbers in common with classnet.tech.

Name Servers

classnet.tech has two authoritative name servers — dns3.hostgator.com.br and dns4.hostgator.com.br.

classnet.tech uses the same name servers as several other domains — among them adanrios.com, bhsuplementos.com, wagnerprado.com and two more.

Each of dns3.hostgator.com.br and dns4.hostgator.com.br has one IP address: dns3.hostgator.com.br uses 162.240.81.81 and dns4.hostgator.com.br uses 162.240.81.83.

Mail Servers

Mail for classnet.tech is handled by a single mail server, classnet-tech.mail.protection.outlook.com.

classnet-tech.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.11.19, 52.101.40.4, 52.101.40.24 and 5 others.