`crowdstack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3108::ac42:287f^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3108::ac42:2b81^{🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.40.127^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.43.129^{🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`grace.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grace.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grace.ns.cloudflare.com`
		A	108.162.192.159^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	172.64.32.159^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	173.245.58.159^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
NS	`sam.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sam.ns.cloudflare.com`
		A	108.162.193.141^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	172.64.33.141^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	173.245.59.141^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=a3QwDsbyEWTfcFNy3O1NY5YbIx5FSoiWXp3iNUVXP04`
TXT	`v=spf1 ip4:199.255.144.0/24 ip4:199.255.146.0/23 ip4:192.46.221.52 ip4:192.46...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	172.66.40.127, 172.66.43.129
		IPv6 hints	2606:4700:3108::ac42:287f, 2606:4700:3108::ac42:2b81
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`grace.ns.cloudflare.com`dns@cloudflare.com serial=2406224150

`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=1783145336

🔒 HSTS Preload (+subdomains)

Subdomains

www.crowdstack.com

Same first word

crowdstack.com

crowdstack.io

Similar names

stackcrowd.com

DNS History

20 records (11 active, 9 former)

○NSbuy.internettraffic.com2016-01-23 → 2016-04-10 · 5 obs

○ 2015-10-29 18:06:10
● 2016-01-23 17:38:54
● 2016-04-10 14:04:06
○ 2016-09-13 07:36:44
○ 2026-07-04 06:20:30

●NSgrace.ns.cloudflare.com2026-02-25 → 2026-07-04 · 3 obs

○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

○NSns01.domaincontrol.com2015-06-05 → 2015-10-29 · 4 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2026-07-04 06:20:30

○NSns02.domaincontrol.com2015-06-05 → 2015-10-29 · 4 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2026-07-04 06:20:30

○NSns1.uniregistrymarket.link2016-09-13 → 2017-06-29 · 5 obs

○ 2016-04-10 14:04:06
● 2016-09-13 07:36:44
● 2017-06-29 18:36:24
○ 2026-02-25 21:43:00
○ 2026-07-04 06:20:30

○NSns2.uniregistrymarket.link2016-09-13 → 2017-06-29 · 5 obs

○ 2016-04-10 14:04:06
● 2016-09-13 07:36:44
● 2017-06-29 18:36:24
○ 2026-02-25 21:43:00
○ 2026-07-04 06:20:30

●NSsam.ns.cloudflare.com2026-02-25 → 2026-07-04 · 3 obs

○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

○NSsell.internettraffic.com2016-01-23 → 2016-04-10 · 5 obs

○ 2015-10-29 18:06:10
● 2016-01-23 17:38:54
● 2016-04-10 14:04:06
○ 2016-09-13 07:36:44
○ 2026-07-04 06:20:30

●MXalt1.aspmx.l.google.com2015-06-05 → 2026-07-04 · 6 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●MXalt2.aspmx.l.google.com2015-06-05 → 2026-07-04 · 6 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●MXaspmx.l.google.com2015-06-05 → 2026-07-04 · 6 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●MXaspmx2.googlemail.com2015-06-05 → 2026-07-04 · 6 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●MXaspmx3.googlemail.com2015-06-05 → 2026-07-04 · 6 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●A172.66.40.1272026-02-25 → 2026-07-04 · 3 obs

○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●A172.66.43.1292026-02-25 → 2026-07-04 · 3 obs

○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

○A174.129.198.452015-06-05 → 2015-10-29 · 4 obs

● 2015-06-05 00:44:48
● 2015-10-29 18:06:10
○ 2016-01-23 17:38:54
○ 2026-07-04 06:20:30

●A2606:4700:3108::ac42:287f2026-02-25 → 2026-07-04 · 3 obs

○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

●A2606:4700:3108::ac42:2b812026-02-25 → 2026-07-04 · 3 obs

○ 2017-06-29 18:36:24
● 2026-02-25 21:43:00
● 2026-07-04 06:20:30

○A69.172.201.1532016-09-13 → 2017-06-29 · 5 obs

○ 2016-04-10 14:04:06
● 2016-09-13 07:36:44
● 2017-06-29 18:36:24
○ 2026-02-25 21:43:00
○ 2026-07-04 06:20:30

○A69.172.201.2082016-01-23 → 2016-04-10 · 5 obs

○ 2015-10-29 18:06:10
● 2016-01-23 17:38:54
● 2016-04-10 14:04:06
○ 2016-09-13 07:36:44
○ 2026-07-04 06:20:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
crowdstack.com	sam.ns.cloudflare.com, grace.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.141

NS records: sam.ns.cloudflare.com, grace.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crowdstack.com (unsigned zone)

⏱️ Timing

Total: 348ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.43.129, 172.66.40.127`
AAAA	2	`2606:4700:3108::ac42:2b81, 2606:4700:3108::ac42:287f`
NS	2	`grace.ns.cloudflare.com, sam.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=a3QwDsbyEWTfcFN, v=spf1 ip4:199.255.144.0/24 ip4:199.255.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`grace.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

crowdstack.com is a parent domain of www.crowdstack.com.

IP Addresses

crowdstack.com resolves to four IP addresses: 172.66.40.127, 172.66.43.129, 2606:4700:3108::ac42:287f and 2606:4700:3108::ac42:2b81.

airporthotelsguides.com, okitup.com, archivalmethods.com and two other host names share IP numbers with crowdstack.com.

Name Servers

crowdstack.com has two authoritative name servers — grace.ns.cloudflare.com and sam.ns.cloudflare.com.

crowdstack.com uses the same name servers as several other domains — among them socialstrata.com, evecommunity.com, thetechnotreat.com and two more.

crowdstack.com shares at least some of its name servers with other domains, including matteohertel.uk, nscc.org.uk, sigb.cn and two others.

These name servers are frequently seen alongside the name servers pablo.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

grace.ns.cloudflare.com points to 108.162.192.159, 172.64.32.159, 173.245.58.159 and 3 other IP addresses.

sam.ns.cloudflare.com points to 108.162.193.141, 172.64.33.141, 173.245.59.141 and 3 other IP addresses.

Mail Servers

crowdstack.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

crowdstack.com has at least partial mail server overlap with other domains such as centralenantesetudes.fr, ns500742.ns500671.ns500754.ns500754.ns500754.ns500731.ns500731.ns500688.ns500678.ns500666.ns500153.tenderladiesbz.com, ns500754.ns500731.ns500742.ns500742.ns500754.ns500754.ns500742.ns500742.ns500671.ns500671.ns500688.ns500649.ns500291.ns500291.ns500131.lustychickser.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 142.251.179.26 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

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

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1b IP addresses.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.27 IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.27 IP addresses.

crowdstack.com - robtex.com

crowdstack.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`crowdstack.com`

`com`