🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`corestacksystem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:a23^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:bde4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.35^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.228^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anna.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c066^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2066^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anna.ns.cloudflare.com`
		A	108.162.192.102^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	172.64.32.102^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.ns.cloudflare.com`
		A	173.245.58.102^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anna.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:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=Z9-aMqhb1_hfA7fAK9xzRjuNZSjUNMrtdkjeZhGfa2M`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.35, 172.67.189.228
		IPv6 hints	2606:4700:3036::6815:a23, 2606:4700:3036::ac43:bde4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOA	`anna.ns.cloudflare.com`dns@cloudflare.com serial=2411468417

`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=1789158528

Same first word

corestacksystem.site

corestacksystem.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSanna.ns.cloudflare.com2026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

●NSlakas.ns.cloudflare.com2026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

●MXsmtp.google.com2026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

●A104.21.10.352026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

●A172.67.189.2282026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

●A2606:4700:3036::6815:a232026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

●A2606:4700:3036::ac43:bde42026-09-01 → 2026-09-11 · 2 obs

● 2026-09-01 21:35:24
● 2026-09-11 20:33:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
corestacksystem.com	anna.ns.cloudflare.com, lakas.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.102

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corestacksystem.com (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.35, 172.67.189.228`
AAAA	2	`2606:4700:3036::6815:a23, 2606:4700:3036::ac43:bde4`
NS	2	`anna.ns.cloudflare.com, lakas.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=Z9-aMqhb1_hfA7f, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anna.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

corestacksystem.com points to the four IP addresses 104.21.10.35, 172.67.189.228, 2606:4700:3036::6815:a23 and 2606:4700:3036::ac43:bde4.

Among the host names that share IP numbers with corestacksystem.com are 2200bet1m.com, oaasium.com, ads.one.lt and two others.

Name Servers

DNS delegation for corestacksystem.com points to two name servers: anna.ns.cloudflare.com and lakas.ns.cloudflare.com.

corestacksystem.com has the same name server delegation as a number of other domains, such as jay-chen8807.workers.dev, wheresunweb.pages.dev, portfolio-59v.pages.dev and two more.

There is at least partial name server overlap between corestacksystem.com and other domains — clouted.sbs, boronpulse.site, m-zulkiflirani.workers.dev and two more among them.

These name servers frequently co-occur with the name servers deb.ns.cloudflare.com and cash.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

anna.ns.cloudflare.com has IP addresses 108.162.192.102, 172.64.32.102 and 173.245.58.102, plus 3 other.

lakas.ns.cloudflare.com has IP addresses 108.162.193.194, 172.64.33.194 and 173.245.59.194, plus 3 other.

Mail Servers

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

corestacksystem.com has the same mail server arrangement as a number of other domains, for example saintdesk.com, greenfleck.com, axdxlab.com and two more.

corestacksystem.com shares at least some of its mail servers with other domains — for example profastbusinessfinance.com, buyapexleads.com, bastionedge.net and two more.

These mail servers tend to be used in conjunction with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two additional mail servers.

smtp.google.com directs to 9 IP numbers, including 142.251.16.26, 142.251.16.27 and 142.251.111.26, along with 6 other.

corestacksystem.com - robtex.com