🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimisesend.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:dd6c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2b39^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.57^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.108^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`doug.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`doug.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`doug.ns.cloudflare.com`
		A	108.162.193.159^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	172.64.33.159^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
		A	173.245.59.159^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`doug.ns.cloudflare.com`
NS	`melody.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melody.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melody.ns.cloudflare.com`
		A	108.162.194.250^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
		A	162.159.38.250^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.ns.cloudflare.com`
		A	172.64.34.250^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melody.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: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	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=6eWx8RSxADeKzGxmy-LeokcXVA9owYJneCip_wKP6bM`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.57, 172.67.221.108
		IPv6 hints	2606:4700:3034::ac43:dd6c, 2606:4700:3037::6815:2b39
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2410969664

`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=1788146270

Same first word

stackoptimisesend.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSdoug.ns.cloudflare.com2026-08-18 → 2026-08-31 · 2 obs

● 2026-08-18 18:33:56
● 2026-08-31 03:21:14

●NSmelody.ns.cloudflare.com2026-08-18 → 2026-08-31 · 2 obs

● 2026-08-18 18:33:56
● 2026-08-31 03:21:14

●MXsmtp.google.com2026-08-18 → 2026-08-31 · 2 obs

● 2026-08-18 18:33:56
● 2026-08-31 03:21:14

●A104.21.43.572026-08-22 → 2026-08-31 · 3 obs

○ 2026-08-18 18:33:56
● 2026-08-22 00:24:04
● 2026-08-31 03:21:14

●A172.67.221.1082026-08-22 → 2026-08-31 · 3 obs

○ 2026-08-18 18:33:56
● 2026-08-22 00:24:04
● 2026-08-31 03:21:14

○A188.114.96.02026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 18:33:56
○ 2026-08-22 00:24:04
○ 2026-08-31 03:21:14

○A188.114.97.02026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 18:33:56
○ 2026-08-22 00:24:04
○ 2026-08-31 03:21:14

●A2606:4700:3034::ac43:dd6c2026-08-22 → 2026-08-31 · 3 obs

○ 2026-08-18 18:33:56
● 2026-08-22 00:24:04
● 2026-08-31 03:21:14

●A2606:4700:3037::6815:2b392026-08-22 → 2026-08-31 · 3 obs

○ 2026-08-18 18:33:56
● 2026-08-22 00:24:04
● 2026-08-31 03:21:14

○A2a06:98c1:3120::2026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 18:33:56
○ 2026-08-22 00:24:04
○ 2026-08-31 03:21:14

○A2a06:98c1:3121::2026-08-18 → 2026-08-18 · 3 obs

● 2026-08-18 18:33:56
○ 2026-08-22 00:24:04
○ 2026-08-31 03:21:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
stackoptimisesend.com	doug.ns.cloudflare.com, melody.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.159

NS records: doug.ns.cloudflare.com, melody.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoptimisesend.com (unsigned zone)

⏱️ Timing

Total: 170ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.57, 172.67.221.108`
AAAA	2	`2606:4700:3034::ac43:dd6c, 2606:4700:3037::6815:2b39`
NS	2	`doug.ns.cloudflare.com, melody.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=6eWx8RSxADeKzGx, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`doug.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

stackoptimisesend.com has four IP addresses: 104.21.43.57, 172.67.221.108, 2606:4700:3034::ac43:dd6c and 2606:4700:3037::6815:2b39.

troutandsteelhead.net, brl9-02.com, megaintentions.com plus two other host names have IP numbers in common with stackoptimisesend.com.

Name Servers

stackoptimisesend.com uses two name servers for its delegation: doug.ns.cloudflare.com and melody.ns.cloudflare.com.

The name server configuration of stackoptimisesend.com is shared with other domains, for instance withbizzupscale.com, plantbasedworkplace.com, purepointco.com and two others.

stackoptimisesend.com has at least partial name server overlap with other domains, such as bashmuha04.workers.dev, southchaseelectric.com, jmcharlier.com and two others.

It is common to see these name servers used together with name servers adam.ns.cloudflare.com and chan.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname doug.ns.cloudflare.com directs to 108.162.193.159, 172.64.33.159 and 173.245.59.159 along with 3 other IP addresses.

Hostname melody.ns.cloudflare.com directs to 108.162.194.250, 162.159.38.250 and 172.64.34.250 along with 3 other IP addresses.

Mail Servers

stackoptimisesend.com uses one mail server — smtp.google.com.

The mail server setup of stackoptimisesend.com matches that of other domains such as luvopursuits.com, alphadogcoach.com, dahliassong.com and two others.

At least some of the mail servers used by stackoptimisesend.com are shared with other domains: jetquotealliancepro.info, musicroom.ge, welcomtd.com and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

smtp.google.com has 9 IP addresses: 64.233.180.26, 64.233.180.27, 142.251.167.27 plus 6 more.

stackoptimisesend.com - robtex.com