connectedclassroom.com.br - robtex.com

connectedclassroom.com.br

DNSSEC⚠️ Not signed
NSns1ak.dell.com ⭐
A193.108.91.65🇳🇱 Akamai193.108.91.0/24 Technologies
PTRa1-65.akam.net
PTRns1-65.akam.net
NSns1ns.dell.com
A2400:cb00:2049:1::a29f:995🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.9.149Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2ak.dell.com
A2600:1408:1c::41🇺🇸 Akamai2600:1408:1c::/48 Technologies
PTRa3-65.akam.net
PTRns7-65.akam.net
A96.7.49.65🇺🇸 Akamai96.7.49.0/24 Technologies
PTRa3-65.akam.net
PTRns7-65.akam.net
PTRuse3.akam.net
NSns2ns.dell.com
A2400:cb00:2049:1::c629:df5a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A198.41.223.90Cloudflare198.41.223.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcf-198-41-223-90.cloudflare.com
NSns3ak.dell.com
A2600:1401:1::40🇺🇸 Akamai2600:1401:1::/48 Technologies
PTRa6-64.akam.net
A23.211.133.64🇺🇸 Akamai23.211.133.0/24 Technologies
PTRa6-64.akam.net
NSns3ns.dell.com
A2400:cb00:2049:1::a29f:995🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.9.149Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4ak.dell.com ⚠️ Not in parent delegation
A2a02:26f0:117::41🇳🇱 Akamai2a02:26f0:117::/48 Technologies
PTRa9-65.akam.net
PTRns5-65.akam.net
A184.85.248.65🇺🇸 Akamai184.85.248.0/24 Technologies
PTRa9-65.akam.net
PTRns5-65.akam.net
NSns4ns.dell.com ⚠️ Not in parent delegation
A2400:cb00:2049:1::c629:df5a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A198.41.223.90Cloudflare198.41.223.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcf-198-41-223-90.cloudflare.com
TXTv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com. ~all
SOAns1ak.dell.comdnsadmin@dell.com serial=2024058239

com.br

DNSSEC🔒 Signed (DS record present)
NSa.dns.br ⭐ ⚠️ Not in parent delegation 🔒
NSb.dns.br ⚠️ Not in parent delegation 🔒
NSc.dns.br ⚠️ Not in parent delegation 🔒
NSd.dns.br ⚠️ Not in parent delegation 🔒
NSe.dns.br ⚠️ Not in parent delegation 🔒
NSf.dns.br ⚠️ Not in parent delegation 🔒
SOAa.dns.brhostmaster@registro.br serial=2026048032
rank #527858 globally
rank #4036 in the tld
WOT: SAFE (69/100)

PTR for

7.136.166.143.in-addr.arpa
167.30.166.143.in-addr.arpa

Same first word

connectedclassroom.com.br
connectedclassroom.com

DNS History

16 records (8 active, 8 former)

20162017201820192020202120222023202420252026NSns1ak.dell.comns1ns.dell.comns2ak.dell.comns2ns.dell.comns3ak.dell.comns3ns.dell.comns4ak.dell.comns4ns.dell.comns1.us.dell.comns2.us.dell.comns3.us.dell.comns4.us.dell.comns5.us.dell.comns6.us.dell.comA143.166.224.244143.166.83.38
○NSns1.us.dell.com2015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
●NSns1ak.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
●NSns1ns.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
○NSns2.us.dell.com2015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
●NSns2ak.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
●NSns2ns.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
○NSns3.us.dell.com2015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
●NSns3ak.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
●NSns3ns.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
○NSns4.us.dell.com2015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
●NSns4ak.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
●NSns4ns.dell.com2026-03-11 → 2026-03-11 · 2 obs
○ 2016-12-03 15:36:48
● 2026-03-11 12:04:40
○NSns5.us.dell.com2015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
○NSns6.us.dell.com2015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
○A143.166.224.2442015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40
○A143.166.83.382015-08-15 → 2016-12-03 · 3 obs
● 2015-08-15 13:25:44
● 2016-12-03 15:36:48
○ 2026-03-11 12:04:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brb.dns.br, a.dns.br, d.dns.br, e.dns.br...-
connectedclassroom.com.brns1ak.dell.com, ns1ns.dell.com, ns2ak.dell.com, ns2ns.dell.com...-

✅ Authoritative Response

Server: 23.211.133.64

NS records: ns1ak.dell.com, ns1ns.dell.com, ns2ak.dell.com, ns2ns.dell.com, ns3ak.dell.com, ns3ns.dell.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for connectedclassroom.com.br (unsigned zone)

⏱️ Timing

Total: 946ms | Queries: -

📄 Records

TypeCountSample Data
NS8ns1ak.dell.com, ns2ns.dell.com...
TXT1v=spf1 include:%{ir}.%{v}.%{d}.spf.has.p
SOA1ns1ak.dell.com dnsadmin.dell.com

Analysis

Name Servers

connectedclassroom.com.br is delegated to eight name servers: ns1ak.dell.com, ns1ns.dell.com, ns2ak.dell.com, ns2ns.dell.com, ns3ak.dell.com, ns3ns.dell.com, ns4ak.dell.com and ns4ns.dell.com.

connectedclassroom.com.br at least partially shares name servers with other domains, for instance dellperks.com, emc-email.com, alienware.gr, symmetrix.com and delldeployment.com.

Host names with two IP numbers:

ns1ns.dell.com points to 2400:cb00:2049:1::a29f:995 and 162.159.9.149.

ns2ak.dell.com points to 2600:1408:1c::41 and 96.7.49.65.

ns2ns.dell.com points to 2400:cb00:2049:1::c629:df5a and 198.41.223.90.

ns3ak.dell.com points to 2600:1401:1::40 and 23.211.133.64.

ns3ns.dell.com points to 2400:cb00:2049:1::a29f:995 and 162.159.9.149.

ns4ak.dell.com points to 2a02:26f0:117::41 and 184.85.248.65.

ns4ns.dell.com points to 2400:cb00:2049:1::c629:df5a and 198.41.223.90.

Host names with one IP number:

ns1ak.dell.com points to 193.108.91.65.

Host names that point to 2400:cb00:2049:1::a29f:995: ns1ns.dell.com and ns3ns.dell.com.

Host names that point to 162.159.9.149: ns1ns.dell.com and ns3ns.dell.com.

Host names that point to 2400:cb00:2049:1::c629:df5a: ns2ns.dell.com and ns4ns.dell.com.

Host names that point to 198.41.223.90: ns2ns.dell.com and ns4ns.dell.com.