🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackoptimal.digital`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3153^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a06e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.83^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.110^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jean.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c079^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2079^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jean.ns.cloudflare.com`
		A	108.162.192.121^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	172.64.32.121^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
		A	173.245.58.121^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jean.ns.cloudflare.com`
NS	`theo.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c190^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`theo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2190^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`theo.ns.cloudflare.com`
		A	108.162.193.144^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	172.64.33.144^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
		A	173.245.59.144^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`theo.ns.cloudflare.com`
MX	`stackoptimal-digital.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=ms77447008`
TXT	`v=spf1 include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.83, 172.67.160.110
		IPv6 hints	2606:4700:3031::6815:3153, 2606:4700:3037::ac43:a06e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOA	`jean.ns.cloudflare.com`dns@cloudflare.com serial=2413291404

`digital`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.digital` ⭐
	NS	`v0n1.nic.digital`
	NS	`v0n2.nic.digital`
	NS	`v0n3.nic.digital`
	NS	`v2n0.nic.digital`
	NS	`v2n1.nic.digital`
	SOA	`v0n0.nic.digital`hostmaster@donuts.email serial=1788333116

Same first word

stackoptimal.shop

stackoptimal.digital

Similar names

optimalstack.co

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSjean.ns.cloudflare.com2026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

●NStheo.ns.cloudflare.com2026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

●MXstackoptimal-digital.mail.protection.outlook.com2026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

●A104.21.49.832026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

●A172.67.160.1102026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

●A2606:4700:3031::6815:31532026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

●A2606:4700:3037::ac43:a06e2026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 10:50:02
● 2026-09-02 07:35:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
digital	v0n0.nic.digital, v0n1.nic.digital, v0n2.nic.digital, v0n3.nic.digital...	12 records
stackoptimal.digital	theo.ns.cloudflare.com, jean.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.144

NS records: theo.ns.cloudflare.com, jean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackoptimal.digital (unsigned zone)

⏱️ Timing

Total: 620ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.49.83, 172.67.160.110`
AAAA	2	`2606:4700:3031::6815:3153, 2606:4700:3037::ac43:a06e`
NS	2	`jean.ns.cloudflare.com, theo.ns.cloudflare.com`
MX	1	`stackoptimal-digital.mail.protection.out`
TXT	2	`MS=ms77447008, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.digital, v0n0.nic.digital, v0n1.nic.digital...)

Analysis

IP Addresses

stackoptimal.digital resolves to four IP addresses: 104.21.49.83, 172.67.160.110, 2606:4700:3031::6815:3153 and 2606:4700:3037::ac43:a06e.

Among the host names that share IP numbers with stackoptimal.digital are hoot.ne.jp, whchongchuang.com, s4king.info and two others.

Name Servers

stackoptimal.digital is delegated to two name servers: jean.ns.cloudflare.com and theo.ns.cloudflare.com.

stackoptimal.digital has the same name server delegation as a number of other domains, such as asd-dev.pages.dev, rzxkigdpwkyxymucli.workers.dev, hedengolfhotel.com and two more.

stackoptimal.digital has at least partial name server overlap with other domains, such as v18r.top, lakesideconsultingai.com, megascript.net and two others.

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

Host names resolving to 6 IP numbers:

jean.ns.cloudflare.com resolves to 108.162.192.121, 172.64.32.121, 173.245.58.121 and 3 other IP addresses.

theo.ns.cloudflare.com resolves to 108.162.193.144, 172.64.33.144, 173.245.59.144 and 3 other IP addresses.

Mail Servers

stackoptimal.digital routes its mail through a single mail server, stackoptimal-digital.mail.protection.outlook.com.

stackoptimal-digital.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.144.0, 52.101.144.3 and 52.101.145.0, along with 5 other.

stackoptimal.digital - robtex.com