classstream.com - dns.ninja

`classstream.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:db70^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4627^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.39^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.112^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dexter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dexter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dexter.ns.cloudflare.com`
		A	108.162.195.190^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	162.159.44.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	172.64.35.190^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
NS	`grannbo.ns.cloudflare.com`
		A	2606:4700:50::a29f:2696^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c296^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grannbo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2296^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grannbo.ns.cloudflare.com`
		A	108.162.194.150^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	162.159.38.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	172.64.34.150^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=IsAoa91j250lFIOYy2Tm6XzJj-uGK63yvnEUopBzXBw`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.39, 172.67.219.112
		IPv6 hints	2606:4700:3034::ac43:db70, 2606:4700:3035::6815:4627
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2409951908

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784824692

Previously MX for

classstream.com

Same first word

classstream.online

classstream.com

Similar names

masterclass.world

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masterclass.bg

masterclass.media

masterclass.today

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smartscales.ru

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smtcarsales.com

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masterclass.co.id

classmaster.ru

masterclass.dev

DNS History

30 records (9 active, 21 former)

●NSdexter.ns.cloudflare.com2026-06-04 → 2026-07-23 · 3 obs

○ 2026-03-26 06:39:06
● 2026-06-04 06:31:20
● 2026-07-23 17:05:28

●NSgrannbo.ns.cloudflare.com2026-06-04 → 2026-07-23 · 3 obs

○ 2026-03-26 06:39:06
● 2026-06-04 06:31:20
● 2026-07-23 17:05:28

○NSns1.atom.com2026-03-21 → 2026-03-26 · 5 obs

○ 2017-12-08 16:20:22
● 2026-03-21 17:17:50
● 2026-03-26 06:39:06
○ 2026-06-04 06:31:20
○ 2026-07-23 17:05:28

○NSns1.dnslink.com2016-12-28 → 2016-12-28 · 4 obs

○ 2016-06-10 14:54:20
● 2016-12-28 21:32:26
○ 2017-12-08 16:20:22
○ 2026-07-23 17:05:28

○NSns1.ichannels.com2015-07-02 → 2015-11-18 · 4 obs

● 2015-07-02 02:16:18
● 2015-11-18 17:39:14
○ 2016-06-10 14:54:20
○ 2026-07-23 17:05:28

○NSns1.mobileweb.com2016-06-10 → 2016-06-10 · 4 obs

○ 2015-11-18 17:39:14
● 2016-06-10 14:54:20
○ 2016-12-28 21:32:26
○ 2026-07-23 17:05:28

○NSns1.namebrightdns.com2017-12-08 → 2017-12-08 · 4 obs

○ 2016-12-28 21:32:26
● 2017-12-08 16:20:22
○ 2026-03-21 17:17:50
○ 2026-07-23 17:05:28

○NSns2.atom.com2026-03-21 → 2026-03-26 · 5 obs

○ 2017-12-08 16:20:22
● 2026-03-21 17:17:50
● 2026-03-26 06:39:06
○ 2026-06-04 06:31:20
○ 2026-07-23 17:05:28

○NSns2.dnslink.com2016-12-28 → 2016-12-28 · 4 obs

○ 2016-06-10 14:54:20
● 2016-12-28 21:32:26
○ 2017-12-08 16:20:22
○ 2026-07-23 17:05:28

○NSns2.ichannels.com2015-07-02 → 2015-11-18 · 4 obs

● 2015-07-02 02:16:18
● 2015-11-18 17:39:14
○ 2016-06-10 14:54:20
○ 2026-07-23 17:05:28

○NSns2.mobileweb.com2016-06-10 → 2016-06-10 · 4 obs

○ 2015-11-18 17:39:14
● 2016-06-10 14:54:20
○ 2016-12-28 21:32:26
○ 2026-07-23 17:05:28

○NSns2.namebrightdns.com2017-12-08 → 2017-12-08 · 4 obs

○ 2016-12-28 21:32:26
● 2017-12-08 16:20:22
○ 2026-03-21 17:17:50
○ 2026-07-23 17:05:28

○MXclassstream.com2015-07-02 → 2016-06-10 · 4 obs

● 2015-07-02 02:16:18
● 2016-06-10 14:54:20
○ 2016-12-28 21:32:26
○ 2026-07-23 17:05:28

○MXmail.b-io.co2016-12-28 → 2016-12-28 · 4 obs

○ 2016-06-10 14:54:20
● 2016-12-28 21:32:26
○ 2017-12-08 16:20:22
○ 2026-07-23 17:05:28

○MXmail1.namebrightmail.com2017-12-08 → 2017-12-08 · 4 obs

○ 2016-12-28 21:32:26
● 2017-12-08 16:20:22
○ 2026-03-21 17:17:50
○ 2026-07-23 17:05:28

○MXmail2.namebrightmail.com2017-12-08 → 2017-12-08 · 4 obs

○ 2016-12-28 21:32:26
● 2017-12-08 16:20:22
○ 2026-03-21 17:17:50
○ 2026-07-23 17:05:28

●MXroute1.mx.cloudflare.net2026-07-23 → 2026-07-23 · 3 obs

○ 2026-03-21 17:17:50
● 2026-07-23 17:05:26
● 2026-07-23 17:05:28

●MXroute2.mx.cloudflare.net2026-07-23 → 2026-07-23 · 3 obs

○ 2026-03-21 17:17:50
● 2026-07-23 17:05:26
● 2026-07-23 17:05:28

●MXroute3.mx.cloudflare.net2026-07-23 → 2026-07-23 · 3 obs

○ 2026-03-21 17:17:50
● 2026-07-23 17:05:26
● 2026-07-23 17:05:28

●A104.21.70.392026-06-04 → 2026-07-23 · 3 obs

○ 2026-03-26 06:39:06
● 2026-06-04 06:31:20
● 2026-07-23 17:05:28

●A172.67.219.1122026-06-04 → 2026-07-23 · 3 obs

○ 2026-03-26 06:39:06
● 2026-06-04 06:31:20
● 2026-07-23 17:05:28

○A192.237.245.1622015-07-02 → 2015-11-18 · 4 obs

● 2015-07-02 02:16:18
● 2015-11-18 17:39:14
○ 2016-06-10 14:54:20
○ 2026-07-23 17:05:28

○A198.154.251.2202016-06-10 → 2016-06-10 · 4 obs

○ 2015-11-18 17:39:14
● 2016-06-10 14:54:20
○ 2016-12-28 21:32:26
○ 2026-07-23 17:05:28

○A209.15.13.1342016-12-28 → 2016-12-28 · 4 obs

○ 2016-06-10 14:54:20
● 2016-12-28 21:32:26
○ 2017-12-08 16:20:22
○ 2026-07-23 17:05:28

○A2606:4700:3030::ac43:db702026-06-04 → 2026-06-08 · 5 obs

○ 2026-03-26 06:39:06
● 2026-06-04 06:31:20
● 2026-06-08 11:18:04
○ 2026-07-13 21:50:52
○ 2026-07-23 17:05:28

○A2606:4700:3032::6815:46272026-06-04 → 2026-06-08 · 5 obs

○ 2026-03-26 06:39:06
● 2026-06-04 06:31:20
● 2026-06-08 11:18:04
○ 2026-07-13 21:50:52
○ 2026-07-23 17:05:28

●A2606:4700:3034::ac43:db702026-07-13 → 2026-07-23 · 3 obs

○ 2026-06-08 11:18:04
● 2026-07-13 21:50:52
● 2026-07-23 17:05:28

●A2606:4700:3035::6815:46272026-07-13 → 2026-07-23 · 3 obs

○ 2026-06-08 11:18:04
● 2026-07-13 21:50:52
● 2026-07-23 17:05:28

○A52.20.84.622026-03-21 → 2026-03-26 · 5 obs

○ 2017-12-08 16:20:22
● 2026-03-21 17:17:50
● 2026-03-26 06:39:06
○ 2026-06-04 06:31:20
○ 2026-07-23 17:05:28

○CNAMEurlforward.namebright.com2017-12-08 → 2017-12-08 · 3 obs

● 2017-12-08 16:20:22
○ 2026-03-21 17:17:50
○ 2026-07-23 17:05:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classstream.com	grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.190

NS records: grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classstream.com (unsigned zone)

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.39, 172.67.219.112`
AAAA	2	`2606:4700:3035::6815:4627, 2606:4700:3034::ac43:db70`
NS	2	`dexter.ns.cloudflare.com, grannbo.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 54)...`
TXT	2	`google-site-verification=IsAoa91j250lFIO, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dexter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

classstream.com resolves to four IP addresses: 104.21.70.39, 172.67.219.112, 2606:4700:3034::ac43:db70 and 2606:4700:3035::6815:4627.

Among the host names that share IP numbers with classstream.com are tripscans68.cc, seva.ru, efilmsy.pl and two others.

Name Servers

classstream.com is delegated to two name servers: dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

classstream.com has the same name server delegation as a number of other domains, such as localreferral.com, vpublishers.com, mobilemgmt.com and two more.

classstream.com partially shares its NS delegation with several other domains, including zoobotics.se, ezoterika.ro, vsharp.net and two others.

These name servers often co-occur with the name servers sonny.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dexter.ns.cloudflare.com resolves to 108.162.195.190, 162.159.44.190, 172.64.35.190 and 3 other IP addresses.

grannbo.ns.cloudflare.com resolves to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 other IP addresses.

Mail Servers

classstream.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

classstream.com shares at least some of its mail servers with other domains — for example threzo.net, jasonclouser.com, justinali.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.