🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stacklearner.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:e26^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:f26^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4646^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.14.38^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.15.38^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.70.70^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`crystal.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`crystal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`crystal.ns.cloudflare.com`
		A	108.162.194.202^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	162.159.38.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	172.64.34.202^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
NS	`lakas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lakas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lakas.ns.cloudflare.com`
		A	108.162.193.194^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	172.64.33.194^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	173.245.59.194^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
TXT	`facebook-domain-verification=g4sbwdaqxik7tp14v2im6m8c9rbvga`
TXT	`google-site-verification=l8utKBdxgmxG6QEo8VEzyJM6HI9zvKfALRI-VOeqx5k`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.14.38, 104.26.15.38, 172.67.70.70
		IPv6 hints	2606:4700:20::681a:e26, 2606:4700:20::681a:f26, 2606:4700:20::ac43:4646
SOA	`crystal.ns.cloudflare.com`dns@cloudflare.com serial=2412710445

`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=1787911625

Same first word

stacklearner.com

Similar names

learnstacker.com

Previous names

Next names

DNS History

14 records (9 active, 5 former)

●NScrystal.ns.cloudflare.com2026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

●NSlakas.ns.cloudflare.com2026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

○NSns1.tsohost.co.uk2016-12-18 → 2018-06-22 · 4 obs

● 2016-12-18 18:52:40
● 2018-06-22 08:07:44
○ 2026-08-18 04:33:26
○ 2026-08-28 10:10:28

○NSns2.tsohost.co.uk2016-12-18 → 2018-06-22 · 4 obs

● 2016-12-18 18:52:40
● 2018-06-22 08:07:44
○ 2026-08-18 04:33:26
○ 2026-08-28 10:10:28

○MXmail3.eqx.gridhost.co.uk2016-12-18 → 2018-06-22 · 4 obs

● 2016-12-18 18:52:40
● 2018-06-22 08:07:44
○ 2026-08-18 04:33:26
○ 2026-08-28 10:10:28

●MXsmtp.google.com2026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

●A104.26.14.382026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

●A104.26.15.382026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

●A172.67.70.702026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

○A185.119.173.1782018-06-22 → 2018-06-22 · 4 obs

○ 2016-12-18 18:52:40
● 2018-06-22 08:07:44
○ 2026-08-18 04:33:26
○ 2026-08-28 10:10:28

○A185.119.173.1852016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 18:52:40
○ 2018-06-22 08:07:44
○ 2026-08-28 10:10:28

●A2606:4700:20::681a:e262026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

●A2606:4700:20::681a:f262026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

●A2606:4700:20::ac43:46462026-08-18 → 2026-08-28 · 3 obs

○ 2018-06-22 08:07:44
● 2026-08-18 04:33:26
● 2026-08-28 10:10:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
stacklearner.com	lakas.ns.cloudflare.com, crystal.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.202

NS records: lakas.ns.cloudflare.com, crystal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacklearner.com (unsigned zone)

⏱️ Timing

Total: 246ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.15.38, 104.26.14.38...`
AAAA	3	`2606:4700:20::681a:f26, 2606:4700:20::ac43:4646...`
NS	2	`crystal.ns.cloudflare.com, lakas.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`facebook-domain-verification=g4sbwdaqxik, google-site-verification=l8utKBdxgmxG6QE`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`crystal.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stacklearner.com points to 6 IP addresses, including 104.26.14.38, 104.26.15.38 and 172.67.70.70, plus 3 other.

b5.allsteroid6.com, mygo1.com, d8.allsteroid6.com plus two other host names have IP numbers in common with stacklearner.com.

Name Servers

Two name servers handle the delegation for stacklearner.com: crystal.ns.cloudflare.com and lakas.ns.cloudflare.com.

The name server configuration of stacklearner.com is shared with other domains, for instance sleeping(0x706f726e)o.com, wusoule.org.ru, 100xsuite.com and two others.

There is at least partial name server overlap between stacklearner.com and other domains — voyageprimaries.com, jiejie51-f147.cc, matisse.sbs and two more among them.

These name servers frequently co-occur with the name servers apollo.ns.cloudflare.com and thaddeus.ns.cloudflare.com.

Hosts with 6 IP addresses each:

crystal.ns.cloudflare.com resolves to 108.162.194.202, 162.159.38.202 and 172.64.34.202 among others, with 3 other IP addresses in total.

lakas.ns.cloudflare.com resolves to 108.162.193.194, 172.64.33.194 and 173.245.59.194 among others, with 3 other IP addresses in total.

Mail Servers

stacklearner.com uses one mail server — smtp.google.com.

The mail server setup of stacklearner.com matches that of other domains such as videv.com, quikrsignaltalent.com, crewdistributor.com and two others.

At least some of the mail servers used by stacklearner.com are shared with other domains: optimize-next.com, smarteq.co.il, caj.uz and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

smtp.google.com has 9 IP addresses: 142.251.163.26, 142.251.163.27, 142.251.167.27 plus 6 more.

stacklearner.com - robtex.com