techclassb2b.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`techclassb2b.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:a5c8^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:51ec^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.81.236^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.200^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aiden.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c137^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aiden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2137^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aiden.ns.cloudflare.com`
		A	108.162.193.55^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	172.64.33.55^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	173.245.59.55^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
NS	`stella.ns.cloudflare.com`
		A	2606:4700:50::a29f:269a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stella.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stella.ns.cloudflare.com`
		A	108.162.194.154^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
		A	162.159.38.154^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
		A	172.64.34.154^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
TXT	`google-site-verification=P6tu95ApiaWsIG2403OnIg1DYtkHCbxSg73kKZGnySE`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.81.236, 172.67.165.200
		IPv6 hints	2606:4700:3034::ac43:a5c8, 2606:4700:3036::6815:51ec
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`aiden.ns.cloudflare.com`dns@cloudflare.com serial=2415475517

`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=1790690204

Same first word

techclassb2b.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSaiden.ns.cloudflare.com2026-08-25 → 2026-09-29 · 2 obs

● 2026-08-25 04:38:56
● 2026-09-29 14:03:02

●NSstella.ns.cloudflare.com2026-08-25 → 2026-09-29 · 2 obs

● 2026-08-25 04:38:56
● 2026-09-29 14:03:02

●MXsmtp.google.com2026-08-25 → 2026-09-29 · 2 obs

● 2026-08-25 04:38:56
● 2026-09-29 14:03:02

●A104.21.81.2362026-08-27 → 2026-09-29 · 3 obs

○ 2026-08-25 04:38:56
● 2026-08-27 04:15:54
● 2026-09-29 14:03:02

●A172.67.165.2002026-08-27 → 2026-09-29 · 3 obs

○ 2026-08-25 04:38:56
● 2026-08-27 04:15:54
● 2026-09-29 14:03:02

○A188.114.96.02026-08-25 → 2026-08-25 · 3 obs

● 2026-08-25 04:38:56
○ 2026-08-27 04:15:54
○ 2026-09-29 14:03:02

○A188.114.97.02026-08-25 → 2026-08-25 · 3 obs

● 2026-08-25 04:38:56
○ 2026-08-27 04:15:54
○ 2026-09-29 14:03:02

●A2606:4700:3034::ac43:a5c82026-08-27 → 2026-09-29 · 3 obs

○ 2026-08-25 04:38:56
● 2026-08-27 04:15:54
● 2026-09-29 14:03:02

●A2606:4700:3036::6815:51ec2026-08-27 → 2026-09-29 · 3 obs

○ 2026-08-25 04:38:56
● 2026-08-27 04:15:54
● 2026-09-29 14:03:02

○A2a06:98c1:3120::2026-08-25 → 2026-08-25 · 3 obs

● 2026-08-25 04:38:56
○ 2026-08-27 04:15:54
○ 2026-09-29 14:03:02

○A2a06:98c1:3121::2026-08-25 → 2026-08-25 · 3 obs

● 2026-08-25 04:38:56
○ 2026-08-27 04:15:54
○ 2026-09-29 14:03:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
techclassb2b.com	aiden.ns.cloudflare.com, stella.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.55

NS records: aiden.ns.cloudflare.com, stella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techclassb2b.com (unsigned zone)

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.165.200, 104.21.81.236`
AAAA	2	`2606:4700:3036::6815:51ec, 2606:4700:3034::ac43:a5c8`
NS	2	`aiden.ns.cloudflare.com, stella.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=P6tu95ApiaWsIG2, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aiden.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

techclassb2b.com has four IP addresses: 104.21.81.236, 172.67.165.200, 2606:4700:3034::ac43:a5c8 and 2606:4700:3036::6815:51ec.

Among the host names that share IP numbers with techclassb2b.com are atrtonline.ca, termsstartup.pro, tomoturnos.com and two others.

Name Servers

techclassb2b.com is delegated to two name servers: aiden.ns.cloudflare.com and stella.ns.cloudflare.com.

techclassb2b.com has the same name server delegation as a number of other domains, such as 942429164.workers.dev, clarictransfer.com, richard-lancaster.workers.dev and two more.

techclassb2b.com shares at least some of its name servers with other domains, including top-cash1010.pages.dev, tgsfdhgfjg.dns-dynamic.net, bagi.dev and two others.

These name servers are frequently paired with the name servers sierra.ns.cloudflare.com and nero.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

aiden.ns.cloudflare.com resolves to 108.162.193.55, 172.64.33.55, 173.245.59.55 and 3 other IP addresses.

stella.ns.cloudflare.com resolves to 108.162.194.154, 162.159.38.154, 172.64.34.154 and 3 other IP addresses.

Mail Servers

techclassb2b.com routes its mail through a single mail server, smtp.google.com.

techclassb2b.com has the same mail server arrangement as a number of other domains, for example intelcareercoachingcenter.com, heirloompages.org, michelgallero.com and two more.

techclassb2b.com shares at least some of its mail servers with other domains — for example growfutureleaders.nl, 1848concordschool.org, smart2i.cloud and two more.

These mail servers are frequently paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

smtp.google.com directs to 9 IP numbers, including 142.251.167.27, 142.251.179.26 and 173.194.45.26, along with 6 other.