🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimiselabs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d44e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:179e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.158^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.78^{🇺🇸 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:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		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:c2d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-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	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
TXT	`google-site-verification=cW1CX0t5NjQVHTtJ3B1OhSpftuO_9xdS5pnOCqwxlRc`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.158, 172.67.212.78
		IPv6 hints	2606:4700:3032::ac43:d44e, 2606:4700:3034::6815:179e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com
SOA	`elisa.ns.cloudflare.com`dns@cloudflare.com serial=2413553521

`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=1788125390

Same first word

stackoptimiselabs.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSelisa.ns.cloudflare.com2026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

●NSsam.ns.cloudflare.com2026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

●MXsmtp.google.com2026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

●A104.21.23.1582026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

●A172.67.212.782026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

●A2606:4700:3032::ac43:d44e2026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

●A2606:4700:3034::6815:179e2026-08-30 → 2026-08-30 · 2 obs

● 2026-08-30 20:51:50
● 2026-08-30 21:42:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
stackoptimiselabs.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 stackoptimiselabs.com (unsigned zone)

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.158, 172.67.212.78`
AAAA	2	`2606:4700:3032::ac43:d44e, 2606:4700:3034::6815:179e`
NS	2	`elisa.ns.cloudflare.com, sam.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=cW1CX0t5NjQVHTt, 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

stackoptimiselabs.com points to the four IP addresses 104.21.23.158, 172.67.212.78, 2606:4700:3032::ac43:d44e and 2606:4700:3034::6815:179e.

trailerpartsinuk.co.uk, ontology.guru, laramar.org and two other host names share IP numbers with stackoptimiselabs.com.

Name Servers

Two name servers handle the delegation for stackoptimiselabs.com: elisa.ns.cloudflare.com and sam.ns.cloudflare.com.

stackoptimiselabs.com uses the same name servers as several other domains — among them kern-brodax.de, meddlerpr.co, fastpestigroup.co and two more.

The name servers of stackoptimiselabs.com overlap at least partially with those of other domains — among them airipcord.info, xowace4914-8416-0-lvn.pages.dev, xn----7sbhmmddggvah9bghi5q.xn--p1ai and two more.

Hostnames that resolve to 6 IP addresses:

elisa.ns.cloudflare.com resolves to 108.162.194.54, 162.159.38.54 and 172.64.34.54 among others, with 3 other IP addresses in total.

sam.ns.cloudflare.com resolves to 108.162.193.141, 172.64.33.141 and 173.245.59.141 among others, with 3 other IP addresses in total.

Mail Servers

Mail for stackoptimiselabs.com is handled by a single mail server, smtp.google.com.

stackoptimiselabs.com uses an identical mail server configuration to several other domains — among them aiesec.org.tr, hellohinterlands.com, travolution.org and two more.

stackoptimiselabs.com partially shares its mail servers with other domains — including safespacecc.org, fabelec.ch, luxuryconsultingadvisors.com and nightify.co.

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

stackoptimiselabs.com - robtex.com