`smartexamclass.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:82fa^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:3ad^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.173^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.250^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`diva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a61^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c061^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`diva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2061^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`diva.ns.cloudflare.com`
		A	108.162.192.97^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	172.64.32.97^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	173.245.58.97^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
NS	`mcgrory.ns.cloudflare.com`
		A	2606:4700:58::a29f:2caa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mcgrory.ns.cloudflare.com`
		A	108.162.195.170^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	162.159.44.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	172.64.35.170^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.173, 172.67.130.250
		IPv6 hints	2606:4700:3032::ac43:82fa, 2606:4700:3033::6815:3ad
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com
SOA	`diva.ns.cloudflare.com`dns@cloudflare.com serial=2401084595

`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=1778793506

Same first word

smartexamclass.com

DNS History

6 records (6 active, 0 former)

●NSdiva.ns.cloudflare.com2026-04-27 → 2026-05-14 · 2 obs

● 2026-04-27 14:34:42
● 2026-05-14 21:29:22

●NSmcgrory.ns.cloudflare.com2026-04-27 → 2026-05-14 · 2 obs

● 2026-04-27 14:34:42
● 2026-05-14 21:29:22

●A104.21.3.1732026-04-27 → 2026-05-14 · 2 obs

● 2026-04-27 14:34:42
● 2026-05-14 21:29:22

●A172.67.130.2502026-04-27 → 2026-05-14 · 2 obs

● 2026-04-27 14:34:42
● 2026-05-14 21:29:22

●A2606:4700:3032::ac43:82fa2026-04-27 → 2026-05-14 · 2 obs

● 2026-04-27 14:34:42
● 2026-05-14 21:29:22

●A2606:4700:3033::6815:3ad2026-04-27 → 2026-05-14 · 2 obs

● 2026-04-27 14:34:42
● 2026-05-14 21:29:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
smartexamclass.com	diva.ns.cloudflare.com, mcgrory.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.97

NS records: diva.ns.cloudflare.com, mcgrory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartexamclass.com (unsigned zone)

⏱️ Timing

Total: 157ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.173, 172.67.130.250`
AAAA	2	`2606:4700:3033::6815:3ad, 2606:4700:3032::ac43:82fa`
NS	2	`diva.ns.cloudflare.com, mcgrory.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`diva.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

smartexamclass.com resolves to four IP numbers: 2606:4700:3032::ac43:82fa, 2606:4700:3033::6815:3ad, 104.21.3.173 and 172.67.130.250.

Other host names such as 16bcw.vip, stamp.markets, caodangoto.com, chateau-de-malle.fr and saengdao.com share IPs with smartexamclass.com.

Name Servers

smartexamclass.com is delegated to two name servers: diva.ns.cloudflare.com and mcgrory.ns.cloudflare.com.

smartexamclass.com uses the same name server setup as other domains, such as signalwires.com, schemasdiagrammes.com, thehowpeople.com and mattsworld.co.uk.

smartexamclass.com at least partially shares name servers with other domains, for instance fdicsafety.click, boothday.com, themecheck.info, quietlysweetbet.cam and totaldobze.com.

these name servers are often used in conjunction with the name servers dean.ns.cloudflare.com.

Host names with six IP numbers:

diva.ns.cloudflare.com points to 2606:4700:50::adf5:3a61, 2803:f800:50::6ca2:c061, 2a06:98c1:50::ac40:2061, 108.162.192.97, 172.64.32.97 and 173.245.58.97.

mcgrory.ns.cloudflare.com points to 2606:4700:58::a29f:2caa, 2803:f800:50::6ca2:c3aa, 2a06:98c1:50::ac40:23aa, 108.162.195.170, 162.159.44.170 and 172.64.35.170.

smartexamclass.com - robtex.com