smart-tutorial.com - dns.ninja

`smart-tutorial.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:3399^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b616^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.153^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.22^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aleena.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2651^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c251^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aleena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2251^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aleena.ns.cloudflare.com`
		A	108.162.194.81^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	162.159.38.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	172.64.34.81^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
NS	`ray.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ray.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ray.ns.cloudflare.com`
		A	108.162.193.138^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	172.64.33.138^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	173.245.59.138^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.153, 172.67.182.22
		IPv6 hints	2606:4700:3036::6815:3399, 2606:4700:3036::ac43:b616
SOA	`aleena.ns.cloudflare.com`dns@cloudflare.com serial=2410518582

`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=1785292107

⚠️ On DNS blocklist: tif

Same first word

smart-tutorial.com

DNS History

8 records (6 active, 2 former)

●NSaleena.ns.cloudflare.com2026-02-21 → 2026-07-29 · 2 obs

● 2026-02-21 13:25:52
● 2026-07-29 02:31:40

●NSray.ns.cloudflare.com2026-02-21 → 2026-07-29 · 2 obs

● 2026-02-21 13:25:52
● 2026-07-29 02:31:40

●A104.21.51.1532026-02-21 → 2026-07-29 · 2 obs

● 2026-02-21 13:25:52
● 2026-07-29 02:31:40

●A172.67.182.222026-02-21 → 2026-07-29 · 2 obs

● 2026-02-21 13:25:52
● 2026-07-29 02:31:40

○A2606:4700:3031::6815:33992026-02-21 → 2026-06-17 · 4 obs

● 2026-02-21 13:25:52
● 2026-06-17 03:53:32
○ 2026-06-20 11:07:08
○ 2026-07-29 02:31:40

○A2606:4700:3035::ac43:b6162026-02-21 → 2026-06-17 · 4 obs

● 2026-02-21 13:25:52
● 2026-06-17 03:53:32
○ 2026-06-20 11:07:08
○ 2026-07-29 02:31:40

●A2606:4700:3036::6815:33992026-06-20 → 2026-07-29 · 3 obs

○ 2026-06-17 03:53:32
● 2026-06-20 11:07:08
● 2026-07-29 02:31:40

●A2606:4700:3036::ac43:b6162026-06-20 → 2026-07-29 · 3 obs

○ 2026-06-17 03:53:32
● 2026-06-20 11:07:08
● 2026-07-29 02:31:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...	-
smart-tutorial.com	ray.ns.cloudflare.com, aleena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.81

NS records: ray.ns.cloudflare.com, aleena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smart-tutorial.com (unsigned zone)

⏱️ Timing

Total: 243ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.182.22, 104.21.51.153`
AAAA	2	`2606:4700:3036::ac43:b616, 2606:4700:3036::6815:3399`
NS	2	`aleena.ns.cloudflare.com, ray.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aleena.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

smart-tutorial.com points to the four IP addresses 104.21.51.153, 172.67.182.22, 2606:4700:3036::6815:3399 and 2606:4700:3036::ac43:b616.

Additional host names — stellardevstudio.digital, dotsetup.io, kaily.in and two others — share IP numbers with smart-tutorial.com.

Name Servers

smart-tutorial.com uses two name servers for its delegation: aleena.ns.cloudflare.com and ray.ns.cloudflare.com.

smart-tutorial.com shares its name server setup with other domains, including androneur.org, worldagilereport.com, enveo.com and two others.

The name servers of smart-tutorial.com overlap at least partially with those of other domains — among them egpay.org, spueiso.com, jmskw.com and two more.

These name servers commonly appear in delegations together with ignacio.ns.cloudflare.com, marjory.ns.cloudflare.com, abdullah.ns.cloudflare.com and 3 other.

Host names with 6 IP numbers:

Hostname aleena.ns.cloudflare.com directs to 108.162.194.81, 162.159.38.81 and 172.64.34.81 along with 3 other IP addresses.

Hostname ray.ns.cloudflare.com directs to 108.162.193.138, 172.64.33.138 and 173.245.59.138 along with 3 other IP addresses.