🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimiseoutbound.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d9b7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:2db2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.178^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.183^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2caf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anton.ns.cloudflare.com`
		A	108.162.195.175^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
		A	162.159.44.175^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
		A	172.64.35.175^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
NS	`chelsea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chelsea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chelsea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chelsea.ns.cloudflare.com`
		A	108.162.194.177^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chelsea.ns.cloudflare.com`
		A	162.159.38.177^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chelsea.ns.cloudflare.com`
		A	172.64.34.177^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chelsea.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c2d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f26.1e100.net`
		A	2607:f8b0:4004:c2d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-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	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
		A	192.179.18.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.178, 172.67.217.183
		IPv6 hints	2606:4700:3033::ac43:d9b7, 2606:4700:3034::6815:2db2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=157, name=cloudflare-ech.com
SOA	`anton.ns.cloudflare.com`dns@cloudflare.com serial=2411600395

`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=1788450920

Same first word

stackoptimiseoutbound.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSanton.ns.cloudflare.com2026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

●NSchelsea.ns.cloudflare.com2026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

●MXsmtp.google.com2026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

●A104.21.45.1782026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

●A172.67.217.1832026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

●A2606:4700:3033::ac43:d9b72026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

●A2606:4700:3034::6815:2db22026-09-03 → 2026-09-03 · 2 obs

● 2026-09-03 12:12:08
● 2026-09-03 16:23:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
stackoptimiseoutbound.com	chelsea.ns.cloudflare.com, anton.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:162.159.44.175

NS records: chelsea.ns.cloudflare.com, anton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoptimiseoutbound.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.178, 172.67.217.183`
AAAA	2	`2606:4700:3034::6815:2db2, 2606:4700:3033::ac43:d9b7`
NS	2	`anton.ns.cloudflare.com, chelsea.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anton.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stackoptimiseoutbound.com resolves to four IP addresses: 104.21.45.178, 172.67.217.183, 2606:4700:3033::ac43:d9b7 and 2606:4700:3034::6815:2db2.

Among the host names that share IP numbers with stackoptimiseoutbound.com are noblestitchcrafteduniformwear.com, brabrez.shop, sitelifemedia.com and two others.

Name Servers

stackoptimiseoutbound.com has two authoritative name servers — anton.ns.cloudflare.com and chelsea.ns.cloudflare.com.

stackoptimiseoutbound.com has the same name server delegation as a number of other domains, such as nspartnerscapitalventuresgroup.com, myboostway.info, discoverthepartnershipofferlab.com and two more.

stackoptimiseoutbound.com shares at least some of its name servers with other domains, including birhanacademy.com, formillion.pages.dev, nova-225bf6.workers.dev and two others.

These name servers are frequently paired with the name servers titan.ns.cloudflare.com and dale.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

anton.ns.cloudflare.com points to 108.162.195.175, 162.159.44.175, 172.64.35.175 and 3 other IP addresses.

chelsea.ns.cloudflare.com points to 108.162.194.177, 162.159.38.177, 172.64.34.177 and 3 other IP addresses.

Mail Servers

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

stackoptimiseoutbound.com has the same mail server arrangement as a number of other domains, for example truckbites.co, gomediacraft.cfd, nativesentient.com and two more.

stackoptimiseoutbound.com has at least some mail servers in common with other domains, such as vayo.com, creapes.com.br, abogadoscarrascal.com.pe and addtogologistics.com.

smtp.google.com directs to 9 IP numbers, including 142.251.167.26, 142.251.167.27 and 192.178.218.27, along with 6 other.

stackoptimiseoutbound.com - robtex.com