stackademy.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackademy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2bc1^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b851^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.193^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.81^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ada.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c036^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ada.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2036^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ada.ns.cloudflare.com`
		A	108.162.192.54^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	172.64.32.54^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	173.245.58.54^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=6tm6f2owwdztq9mSZ3CVqmS06HbMTE65X6J2do7lTX8`
TXT	`v=spf1 include:spf.mandrillapp.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.193, 172.67.184.81
		IPv6 hints	2606:4700:3032::6815:2bc1, 2606:4700:3036::ac43:b851
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=50, name=cloudflare-ech.com
SOA	`ada.ns.cloudflare.com`dns@cloudflare.com serial=2411405466

`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=1787865995

Subdomains

www.stackademy.com

Same first word

stackademy.com

Similar names

sktacademy.ie

kstacademy.in

tksacademy.com

stkacademy.com

sktacademy.co.kr

ktsacademy.net

ktsacademy.com

Previous names

Next names

DNS History

17 records (11 active, 6 former)

●NSada.ns.cloudflare.com2026-08-22 → 2026-08-27 · 3 obs

○ 2017-10-26 21:11:32
● 2026-08-22 16:45:02
● 2026-08-27 21:32:34

○NSlee.ns.cloudflare.com2015-08-21 → 2017-10-26 · 4 obs

● 2015-08-21 17:53:44
● 2017-10-26 21:11:32
○ 2026-08-22 16:45:02
○ 2026-08-27 21:32:34

○NSlily.ns.cloudflare.com2015-08-21 → 2017-10-26 · 4 obs

● 2015-08-21 17:53:44
● 2017-10-26 21:11:32
○ 2026-08-22 16:45:02
○ 2026-08-27 21:32:34

●NSseth.ns.cloudflare.com2026-08-22 → 2026-08-27 · 3 obs

○ 2017-10-26 21:11:32
● 2026-08-22 16:45:02
● 2026-08-27 21:32:34

●MXalt1.aspmx.l.google.com2015-08-21 → 2026-08-27 · 2 obs

● 2015-08-21 17:53:44
● 2026-08-27 21:32:34

●MXalt2.aspmx.l.google.com2015-08-21 → 2026-08-27 · 2 obs

● 2015-08-21 17:53:44
● 2026-08-27 21:32:34

●MXaspmx.l.google.com2015-08-21 → 2026-08-27 · 2 obs

● 2015-08-21 17:53:44
● 2026-08-27 21:32:34

●MXaspmx2.googlemail.com2015-08-21 → 2026-08-27 · 2 obs

● 2015-08-21 17:53:44
● 2026-08-27 21:32:34

●MXaspmx3.googlemail.com2015-08-21 → 2026-08-27 · 2 obs

● 2015-08-21 17:53:44
● 2026-08-27 21:32:34

●A104.21.43.1932026-08-22 → 2026-08-27 · 3 obs

○ 2017-10-26 21:11:32
● 2026-08-22 16:45:02
● 2026-08-27 21:32:34

○A104.28.14.492015-08-21 → 2017-10-26 · 4 obs

● 2015-08-21 17:53:44
● 2017-10-26 21:11:32
○ 2026-08-22 16:45:02
○ 2026-08-27 21:32:34

○A104.28.15.492015-08-21 → 2017-10-26 · 4 obs

● 2015-08-21 17:53:44
● 2017-10-26 21:11:32
○ 2026-08-22 16:45:02
○ 2026-08-27 21:32:34

●A172.67.184.812026-08-22 → 2026-08-27 · 3 obs

○ 2017-10-26 21:11:32
● 2026-08-22 16:45:02
● 2026-08-27 21:32:34

○A2400:cb00:2048:1::681c:e312015-08-21 → 2017-10-26 · 4 obs

● 2015-08-21 17:53:44
● 2017-10-26 21:11:32
○ 2026-08-22 16:45:02
○ 2026-08-27 21:32:34

○A2400:cb00:2048:1::681c:f312015-08-21 → 2017-10-26 · 4 obs

● 2015-08-21 17:53:44
● 2017-10-26 21:11:32
○ 2026-08-22 16:45:02
○ 2026-08-27 21:32:34

●A2606:4700:3032::6815:2bc12026-08-22 → 2026-08-27 · 3 obs

○ 2017-10-26 21:11:32
● 2026-08-22 16:45:02
● 2026-08-27 21:32:34

●A2606:4700:3036::ac43:b8512026-08-22 → 2026-08-27 · 3 obs

○ 2017-10-26 21:11:32
● 2026-08-22 16:45:02
● 2026-08-27 21:32:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stackademy.com	seth.ns.cloudflare.com, ada.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.54

NS records: seth.ns.cloudflare.com, ada.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackademy.com (unsigned zone)

⏱️ Timing

Total: 223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.81, 104.21.43.193`
AAAA	2	`2606:4700:3036::ac43:b851, 2606:4700:3032::6815:2bc1`
NS	2	`ada.ns.cloudflare.com, seth.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	2	`google-site-verification=6tm6f2owwdztq9m, v=spf1 include:spf.mandrillapp.com ?all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ada.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.stackademy.com is a subdomain of stackademy.com.

IP Addresses

stackademy.com points to the four IP addresses 104.21.43.193, 172.67.184.81, 2606:4700:3032::6815:2bc1 and 2606:4700:3036::ac43:b851.

Additional host names — hit23.onl, merdis.co.id, feroxadv.com and two others — share IP numbers with stackademy.com.

Name Servers

stackademy.com is delegated to two name servers: ada.ns.cloudflare.com and seth.ns.cloudflare.com.

stackademy.com shares its name server setup with other domains, including restore-a-deckllc.com, premiumpharm.com, katie-coaches-frontend.pages.dev and two others.

The name servers of stackademy.com overlap at least partially with those of other domains — among them begerken14.workers.dev, mossela.com, imaginedesigns.eu and two more.

These name servers commonly appear alongside the name servers syeef.ns.cloudflare.com and tina.ns.cloudflare.com.

Host names with 6 IP numbers:

ada.ns.cloudflare.com resolves to 108.162.192.54, 172.64.32.54, 173.245.58.54 and 3 other IP addresses.

seth.ns.cloudflare.com resolves to 108.162.193.142, 172.64.33.142, 173.245.59.142 and 3 other IP addresses.

Mail Servers

stackademy.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

stackademy.com shares mail servers — at least in part — with other domains, including valleyviewanimalfeeds.co.uk, six4three.com, inaccessnetworks.com and two others.

These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com points to 192.178.234.27 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com points to 142.251.163.27 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1b IP addresses.