stackoptimisecores.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimisecores.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:497e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:be09^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.126^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.9^{🇺🇸 Cloudflare172.67.176.0/20 , 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::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c2d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f26.1e100.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	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.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`
TXT	`google-site-verification=rCFNJz3zmp-U9cwZA7We4skeEAWGknXgsRDAFB9Npmo`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.126, 172.67.190.9
		IPv6 hints	2606:4700:3030::6815:497e, 2606:4700:3035::ac43:be09
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`elisa.ns.cloudflare.com`dns@cloudflare.com serial=2416121040

`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=1790826944

Same first word

stackoptimisecores.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSelisa.ns.cloudflare.com2026-09-28 → 2026-10-01 · 2 obs

● 2026-09-28 23:06:20
● 2026-10-01 04:14:32

●NSsam.ns.cloudflare.com2026-09-28 → 2026-10-01 · 2 obs

● 2026-09-28 23:06:20
● 2026-10-01 04:14:32

●MXsmtp.google.com2026-09-28 → 2026-10-01 · 2 obs

● 2026-09-28 23:06:20
● 2026-10-01 04:14:32

●A104.21.73.1262026-09-29 → 2026-10-01 · 3 obs

○ 2026-09-28 23:06:20
● 2026-09-29 11:54:44
● 2026-10-01 04:14:32

●A172.67.190.92026-09-29 → 2026-10-01 · 3 obs

○ 2026-09-28 23:06:20
● 2026-09-29 11:54:44
● 2026-10-01 04:14:32

○A188.114.96.02026-09-28 → 2026-09-28 · 3 obs

● 2026-09-28 23:06:20
○ 2026-09-29 11:54:44
○ 2026-10-01 04:14:32

○A188.114.97.02026-09-28 → 2026-09-28 · 3 obs

● 2026-09-28 23:06:20
○ 2026-09-29 11:54:44
○ 2026-10-01 04:14:32

●A2606:4700:3030::6815:497e2026-09-29 → 2026-10-01 · 3 obs

○ 2026-09-28 23:06:20
● 2026-09-29 11:54:44
● 2026-10-01 04:14:32

●A2606:4700:3035::ac43:be092026-09-29 → 2026-10-01 · 3 obs

○ 2026-09-28 23:06:20
● 2026-09-29 11:54:44
● 2026-10-01 04:14:32

○A2a06:98c1:3120::2026-09-28 → 2026-09-28 · 3 obs

● 2026-09-28 23:06:20
○ 2026-09-29 11:54:44
○ 2026-10-01 04:14:32

○A2a06:98c1:3121::2026-09-28 → 2026-09-28 · 3 obs

● 2026-09-28 23:06:20
○ 2026-09-29 11:54:44
○ 2026-10-01 04:14:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
stackoptimisecores.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 stackoptimisecores.com (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.190.9, 104.21.73.126`
AAAA	2	`2606:4700:3035::ac43:be09, 2606:4700:3030::6815:497e`
NS	2	`elisa.ns.cloudflare.com, sam.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=rCFNJz3zmp-U9cw, 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

stackoptimisecores.com directs to four IP numbers, which are 104.21.73.126, 172.67.190.9, 2606:4700:3030::6815:497e and 2606:4700:3035::ac43:be09.

Two other host names, along with bosssports108.com, regaderasymezcladoras.com and hanasyokunin.co.jp, also share IP numbers with stackoptimisecores.com.

Name Servers

stackoptimisecores.com has two authoritative name servers — elisa.ns.cloudflare.com and sam.ns.cloudflare.com.

stackoptimisecores.com shares its NS records with other domains, for example pinnaclehubco.com, cedarhill.digital, purelakeco.com and two others.

The name servers of stackoptimisecores.com overlap at least partially with those of other domains — among them cominovepostco-oklsoft.pages.dev, callaea.pages.dev, harmonisblog.pages.dev and two more.

These name servers commonly appear in combination with the name servers brodie.ns.cloudflare.com.

DNS names with 6 IP addresses:

elisa.ns.cloudflare.com points to 108.162.194.54, 162.159.38.54, 172.64.34.54 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

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

Among the domains sharing a mail server setup with stackoptimisecores.com are siegesth.com, backroadglobal.com, mclean5solutions.com and two others.

There is at least a partial MX overlap between stackoptimisecores.com and other domains, including glowcleaningsvcs.com, rdashtech.com, bea-ca.com and two others.

The mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com are commonly used alongside these mail servers.

With 9 IP addresses total, smtp.google.com resolves to 142.251.163.26, 142.251.163.27, 142.251.167.26 and 6 others.