🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimisecircles.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:dac6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:262b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.43^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.198^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elisa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2636^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c236^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2236^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elisa.ns.cloudflare.com`
		A	108.162.194.54^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	162.159.38.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	172.64.34.54^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.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	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.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`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	192.179.18.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f27.1e100.net`
		A	192.179.24.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`rz-in-f26.1e100.net`
TXT	`google-site-verification=BWn3O1a8ptmc3p-nmDduR9IS0_q8v9H9zGS8zThLfRU`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.43, 172.67.218.198
		IPv6 hints	2606:4700:3031::ac43:dac6, 2606:4700:3036::6815:262b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOA	`elisa.ns.cloudflare.com`dns@cloudflare.com serial=2416117644

`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=1791180269

Same first word

stackoptimisecircles.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSelisa.ns.cloudflare.com2026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

●NSsam.ns.cloudflare.com2026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

●MXsmtp.google.com2026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

●A104.21.38.432026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

●A172.67.218.1982026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

●A2606:4700:3031::ac43:dac62026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

●A2606:4700:3036::6815:262b2026-09-28 → 2026-10-05 · 2 obs

● 2026-09-28 22:07:18
● 2026-10-05 06:10:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...	-
stackoptimisecircles.com	sam.ns.cloudflare.com, elisa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.141

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoptimisecircles.com (unsigned zone)

⏱️ Timing

Total: 785ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.218.198, 104.21.38.43`
AAAA	2	`2606:4700:3031::ac43:dac6, 2606:4700:3036::6815:262b`
NS	2	`elisa.ns.cloudflare.com, sam.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=BWn3O1a8ptmc3p-, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elisa.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

IP Addresses

stackoptimisecircles.com directs to four IP numbers, which are 104.21.38.43, 172.67.218.198, 2606:4700:3031::ac43:dac6 and 2606:4700:3036::6815:262b.

Two other host names, along with ahqmkj.com, ciaoitaly.tours and vztehv3887uxz.xyz, also share IP numbers with stackoptimisecircles.com.

Name Servers

stackoptimisecircles.com is delegated to two name servers: elisa.ns.cloudflare.com and sam.ns.cloudflare.com.

stackoptimisecircles.com shares its NS records with other domains, for example cloudtreeoflifefunding.info, learnnterica.com, outsourceabilitystaff.uk and two others.

The name servers of stackoptimisecircles.com overlap at least partially with those of other domains — among them redjack-faze.shop, margriet.workers.dev, kaneforg7.workers.dev and two more.

DNS names with 6 IP addresses:

elisa.ns.cloudflare.com resolves to 108.162.194.54, 162.159.38.54, 172.64.34.54 and 3 other IP addresses.

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

Mail Servers

The sole mail server for stackoptimisecircles.com is smtp.google.com.

Among the domains sharing a mail server setup with stackoptimisecircles.com are dicauae.com, huda.ind.in, sailbolt.co and two others.

There is at least a partial MX overlap between stackoptimisecircles.com and other domains, including soutiepress.com, jazaa.co.in, marvieandwolfe.com.au and two others.

With 9 IP addresses total, smtp.google.com resolves to 172.253.62.26, 172.253.62.27, 172.253.115.26 and 6 others.

stackoptimisecircles.com - robtex.com