classroomtv.com - robtex.com

classroomtv.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:1983🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8641🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.131Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.65🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjo.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
A2803:f800:50::6ca2:c0ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjo.ns.cloudflare.com
A2a06:98c1:50::ac40:20ac🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjo.ns.cloudflare.com
A108.162.192.172🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
A172.64.32.172🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
A173.245.58.172🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
NSjosh.ns.cloudflare.com
A2606:4700:58::adf5:3b7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A2803:f800:50::6ca2:c17e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjosh.ns.cloudflare.com
A2a06:98c1:50::ac40:217e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjosh.ns.cloudflare.com
A108.162.193.126🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A172.64.33.126🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A173.245.59.126🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTfacebook-domain-verification=a8i9hfwqlpomdeysm3qkkqvf31l1l4
TXTgoogle-site-verification=OntcOBqlLp5GzVQcb-xx6Er2oiE8_QqAcIdaCNIjXBQ
TXTgoogle-site-verification=_mXxYoT9EPaQUimQ3-i6wdCXSZp_bFjW6j9Xv88edAE
TXTgoogle-site-verification=d68ORLfZ6BCM_D5AXkVUECFlTjhpiFWi7XIV1CVDSPg
TXTgoogle-site-verification=yx593w8kZ0TFcfE9Uac75EzfN-sYYAiLzqCpECFjKQw
TXTv=spf1 include:u251344.wl.sendgrid.net include:u251344.wl095.sendgrid.net inc...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.25.131, 172.67.134.65
IPv62606:4700:3036::6815:1983, 2606:4700:3037::ac43:8641
SOAjo.ns.cloudflare.comdns@cloudflare.com serial=2398846147

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Subdomains

www.classroomtv.com

Same first word

classroomtv.org
classroomtv.com

Similar names

tvclassroom.com

DNS History

23 records (11 active, 12 former)

20162017201820192020202120222023202420252026NSjo.ns.cloudflare.comjosh.ns.cloudflare.comdns1.vps.netdns2.vps.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.classroomtv.comA104.21.25.131172.67.134.652606:4700:3036::6815:19832606:4700:3037::ac43:8641104.25.24.24104.25.25.24104.25.250.10104.25.251.102400:cb00:2048:1::6819:18182400:cb00:2048:1::6819:19182400:cb00:2048:1::6819:fa0a2400:cb00:2048:1::6819:fb0a54.81.95.14
○NSdns1.vps.net2015-06-22 → 2015-06-22 · 3 obs
● 2015-06-22 15:02:12
○ 2015-11-02 03:31:06
○ 2026-03-16 22:52:44
○NSdns2.vps.net2015-06-22 → 2015-06-22 · 3 obs
● 2015-06-22 15:02:12
○ 2015-11-02 03:31:06
○ 2026-03-16 22:52:44
●NSjo.ns.cloudflare.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
●NSjosh.ns.cloudflare.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
●MXalt1.aspmx.l.google.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
●MXalt2.aspmx.l.google.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
●MXalt3.aspmx.l.google.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
●MXalt4.aspmx.l.google.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
●MXaspmx.l.google.com2015-11-02 → 2026-03-16 · 3 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2026-03-16 22:52:44
○MXmail.classroomtv.com2015-06-22 → 2015-06-22 · 3 obs
● 2015-06-22 15:02:12
○ 2015-11-02 03:31:06
○ 2026-03-16 22:52:44
●A104.21.25.1312026-02-16 → 2026-03-16 · 3 obs
○ 2017-06-08 13:45:50
● 2026-02-16 13:59:26
● 2026-03-16 22:52:44
○A104.25.24.242017-06-08 → 2017-06-08 · 4 obs
○ 2016-11-26 22:53:12
● 2017-06-08 13:45:50
○ 2026-02-16 13:59:26
○ 2026-03-16 22:52:44
○A104.25.25.242017-06-08 → 2017-06-08 · 4 obs
○ 2016-11-26 22:53:12
● 2017-06-08 13:45:50
○ 2026-02-16 13:59:26
○ 2026-03-16 22:52:44
○A104.25.250.102015-11-02 → 2016-11-26 · 5 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2016-11-26 22:53:12
○ 2017-06-08 13:45:50
○ 2026-03-16 22:52:44
○A104.25.251.102015-11-02 → 2016-11-26 · 5 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2016-11-26 22:53:12
○ 2017-06-08 13:45:50
○ 2026-03-16 22:52:44
●A172.67.134.652026-02-16 → 2026-03-16 · 3 obs
○ 2017-06-08 13:45:50
● 2026-02-16 13:59:26
● 2026-03-16 22:52:44
○A2400:cb00:2048:1::6819:18182017-06-08 → 2017-06-08 · 4 obs
○ 2016-11-26 22:53:12
● 2017-06-08 13:45:50
○ 2026-02-16 13:59:26
○ 2026-03-16 22:52:44
○A2400:cb00:2048:1::6819:19182017-06-08 → 2017-06-08 · 4 obs
○ 2016-11-26 22:53:12
● 2017-06-08 13:45:50
○ 2026-02-16 13:59:26
○ 2026-03-16 22:52:44
○A2400:cb00:2048:1::6819:fa0a2015-11-02 → 2016-11-26 · 5 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2016-11-26 22:53:12
○ 2017-06-08 13:45:50
○ 2026-03-16 22:52:44
○A2400:cb00:2048:1::6819:fb0a2015-11-02 → 2016-11-26 · 5 obs
○ 2015-06-22 15:02:12
● 2015-11-02 03:31:06
● 2016-11-26 22:53:12
○ 2017-06-08 13:45:50
○ 2026-03-16 22:52:44
●A2606:4700:3036::6815:19832026-02-16 → 2026-03-16 · 3 obs
○ 2017-06-08 13:45:50
● 2026-02-16 13:59:26
● 2026-03-16 22:52:44
●A2606:4700:3037::ac43:86412026-02-16 → 2026-03-16 · 3 obs
○ 2017-06-08 13:45:50
● 2026-02-16 13:59:26
● 2026-03-16 22:52:44
○A54.81.95.142015-06-22 → 2015-06-22 · 3 obs
● 2015-06-22 15:02:12
○ 2015-11-02 03:31:06
○ 2026-03-16 22:52:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
classroomtv.comjosh.ns.cloudflare.com, jo.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 173.245.59.126

NS records: josh.ns.cloudflare.com, jo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classroomtv.com (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.134.65, 104.21.25.131
AAAA22606:4700:3037::ac43:8641, 2606:4700:3036::6815:1983
NS2jo.ns.cloudflare.com, josh.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT6facebook-domain-verification=a8i9hfwqlpo, google-site-verification=OntcOBqlLp5GzVQ...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jo.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (josh.ns.cloudflare.com, josh.ns.cloudflare.com, josh.ns.cloudflare.com...)

Analysis

Hierarchy

classroomtv.com is a parent of www.classroomtv.com.

IP Addresses

classroomtv.com points to four IP numbers: 2606:4700:3036::6815:1983, 2606:4700:3037::ac43:8641, 104.21.25.131 and 172.67.134.65.

Other host names, for instance chateaudecanon.com, twilightestudio.com, slaviclady.com, gamehealthy.org and www.samdownloads.de share IP numbers with classroomtv.com.

Name Servers

Delegation for classroomtv.com rests with two name servers, jo.ns.cloudflare.com and josh.ns.cloudflare.com.

classroomtv.com shares the same name server setup as other domains, including agenciacolors.digital, flights.info, salesignition.io, destalo.com and problastsf.com.

classroomtv.com at least partially shares name servers with other domains, for instance cmcmedia.pl, lolaflora.com, lamonique.shop, nisen.name and deboraarango.edu.co.

These name servers are commonly used with alice.ns.cloudflare.com and abdullah.ns.cloudflare.com.

Host names with six IP numbers: jo.ns.cloudflare.com points to: 2606:4700:50::adf5:3aac, 2803:f800:50::6ca2:c0ac, 2a06:98c1:50::ac40:20ac, 108.162.192.172, 172.64.32.172 and 173.245.58.172. josh.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7e, 2803:f800:50::6ca2:c17e, 2a06:98c1:50::ac40:217e, 108.162.193.126, 172.64.33.126 and 173.245.59.126.

Mail Servers

classroomtv.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

classroomtv.com shares mail servers with other domains at least in part, for instance ns500768.ns500759.ns500698.ns500759.ns500698.ns500736.ns500735.ns500735.ns500735.ns500708.ns500698.ns500698.ns500619.ns500652.ns500576.ns500576.trackreceptor.com, mydigitalreceipts.com, ns500699.ns500699.ns500699.ns500693.ns500693.ns500699.ns500693.ns500699.ns500588.ns500699.ns500693.ns500588.ns500588.ns500110.dtrkdll.com, michaelstart.com and ns500698.ns500759.ns500758.ns500758.ns500735.ns500735.ns500736.ns500736.ns500698.ns500735.ns500708.ns500708.ns500652.trackreceptor.com.

These mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.