🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimal.click`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:37e5^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:ae25^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.229^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.37^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arvind.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arvind.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arvind.ns.cloudflare.com`
		A	108.162.195.227^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	162.159.44.227^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	172.64.35.227^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
NS	`fiona.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fiona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fiona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fiona.ns.cloudflare.com`
		A	108.162.192.157^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.157^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.157^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`stackoptimal-click.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc2c::^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-ma0pr01cu01000.inbound.protection.outlook.com`
		A	2a01:111:f403:cc2c::1^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-ma0pr01cu01101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc2d::^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-pnzpr01cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:cc2d::1^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-pnypr01cu00201.inbound.protection.outlook.com`
		A	52.101.144.0^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ma0pr01cu01000.inbound.protection.outlook.com`
		A	52.101.144.3^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ma0pr01cu01103.inbound.protection.outlook.com`
		A	52.101.145.0^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pnzpr01cu00200.inbound.protection.outlook.com`
		A	52.101.145.2^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pnypr01cu00202.inbound.protection.outlook.com`
TXT	`MS=ms28122235`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.229, 172.67.174.37
		IPv6 hints	2606:4700:3037::6815:37e5, 2606:4700:3037::ac43:ae25
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com
SOA	`arvind.ns.cloudflare.com`dns@cloudflare.com serial=2411770417

`click`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1789086334

⚠️ On DNS blocklist: spam-tlds

Same first word

stackoptimal.shop

stackoptimal.click

stackoptimal.digital

Similar names

optimalstack.co

Previous names

Next names

DNS History

13 records (7 active, 6 former)

●NSarvind.ns.cloudflare.com2026-09-03 → 2026-09-11 · 2 obs

● 2026-09-03 16:55:08
● 2026-09-11 00:57:10

●NSfiona.ns.cloudflare.com2026-09-03 → 2026-09-11 · 2 obs

● 2026-09-03 16:55:08
● 2026-09-11 00:57:10

●MXstackoptimal-click.mail.protection.outlook.com2026-09-03 → 2026-09-11 · 2 obs

● 2026-09-03 16:55:08
● 2026-09-11 00:57:10

●A104.21.55.2292026-09-04 → 2026-09-11 · 5 obs

○ 2026-09-03 16:55:08
● 2026-09-04 15:52:28
○ 2026-09-09 19:42:48
● 2026-09-09 22:07:10
● 2026-09-11 00:57:10

●A172.67.174.372026-09-04 → 2026-09-11 · 5 obs

○ 2026-09-03 16:55:08
● 2026-09-04 15:52:28
○ 2026-09-09 19:42:48
● 2026-09-09 22:07:10
● 2026-09-11 00:57:10

○A188.114.96.02026-09-03 → 2026-09-09 · 5 obs

● 2026-09-03 16:55:08
○ 2026-09-04 15:52:28
● 2026-09-09 19:42:48
○ 2026-09-09 22:07:10
○ 2026-09-11 00:57:10

○A188.114.97.02026-09-03 → 2026-09-09 · 5 obs

● 2026-09-03 16:55:08
○ 2026-09-04 15:52:28
● 2026-09-09 19:42:48
○ 2026-09-09 22:07:10
○ 2026-09-11 00:57:10

●A2606:4700:3037::6815:37e52026-09-04 → 2026-09-11 · 5 obs

○ 2026-09-03 16:55:08
● 2026-09-04 15:52:28
○ 2026-09-09 19:42:48
● 2026-09-09 22:07:10
● 2026-09-11 00:57:10

●A2606:4700:3037::ac43:ae252026-09-04 → 2026-09-11 · 5 obs

○ 2026-09-03 16:55:08
● 2026-09-04 15:52:28
○ 2026-09-09 19:42:48
● 2026-09-09 22:07:10
● 2026-09-11 00:57:10

○A2a06:98c1:3120::2026-09-03 → 2026-09-03 · 3 obs

● 2026-09-03 16:55:08
○ 2026-09-04 15:52:28
○ 2026-09-11 00:57:10

○A2a06:98c1:3120::42026-09-09 → 2026-09-09 · 4 obs

○ 2026-09-04 15:52:28
● 2026-09-09 19:42:48
○ 2026-09-09 22:07:10
○ 2026-09-11 00:57:10

○A2a06:98c1:3121::2026-09-03 → 2026-09-03 · 3 obs

● 2026-09-03 16:55:08
○ 2026-09-04 15:52:28
○ 2026-09-11 00:57:10

○A2a06:98c1:3121::42026-09-09 → 2026-09-09 · 4 obs

○ 2026-09-04 15:52:28
● 2026-09-09 19:42:48
○ 2026-09-09 22:07:10
○ 2026-09-11 00:57:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
click	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
stackoptimal.click	fiona.ns.cloudflare.com, arvind.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.157

NS records: fiona.ns.cloudflare.com, arvind.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoptimal.click (unsigned zone)

⏱️ Timing

Total: 1349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.37, 104.21.55.229`
AAAA	2	`2606:4700:3037::6815:37e5, 2606:4700:3037::ac43:ae25`
NS	2	`arvind.ns.cloudflare.com, fiona.ns.cloudflare.com`
MX	1	`stackoptimal-click.mail.protection.outlo`
TXT	2	`MS=ms28122235, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arvind.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)

Analysis

IP Addresses

stackoptimal.click points to the four IP addresses 104.21.55.229, 172.67.174.37, 2606:4700:3037::6815:37e5 and 2606:4700:3037::ac43:ae25.

pacavhanke.center, ampliselladvantage.info, 06betvip.com and two other host names share IP numbers with stackoptimal.click.

Name Servers

DNS delegation for stackoptimal.click points to two name servers: arvind.ns.cloudflare.com and fiona.ns.cloudflare.com.

stackoptimal.click uses the same name servers as several other domains — among them snugglebearrasberry.workers.dev, erginalabibe.workers.dev, cosminpriboi.ro and two more.

At least some of stackoptimal.click's name servers are shared with other domains, for example dameiren.com.cn, danse1.pages.dev, cubika.ro and two more.

These name servers tend to be deployed in combination with the name servers eloise.ns.cloudflare.com and albert.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

arvind.ns.cloudflare.com has IP addresses 108.162.195.227, 162.159.44.227 and 172.64.35.227, plus 3 other.

fiona.ns.cloudflare.com has IP addresses 108.162.192.157, 172.64.32.157 and 173.245.58.157, plus 3 other.

Mail Servers

Mail for stackoptimal.click is handled by a single mail server, stackoptimal-click.mail.protection.outlook.com.

stackoptimal-click.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.144.0, 52.101.144.3, 52.101.145.0 and 5 others.

stackoptimal.click - robtex.com