`best-class.ir`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:abe3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:1deb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.235^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.227^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bjorn.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c362^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bjorn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2362^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bjorn.ns.cloudflare.com`
		A	108.162.195.98^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
		A	162.159.44.98^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
		A	172.64.35.98^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
NS	`jade.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jade.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jade.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jade.ns.cloudflare.com`
		A	108.162.192.167^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.167^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.167^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.235, 172.67.171.227
		IPv6 hints	2606:4700:3031::ac43:abe3, 2606:4700:3034::6815:1deb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOA	`bjorn.ns.cloudflare.com`dns@cloudflare.com serial=2406511949

`ir`

	DNSSEC	⚠️ Not signed
	NS	`a.nic.ir` ⭐
	NS	`b.nic.ir`
	NS	`c.nic.ir`
	NS	`d.nic.ir`
	SOA	`a.nic.ir`info@nic.ir serial=2607202200

rank #986537 globally
rank #792 in the tld

Same first word

best-class.ru

best-class.ir

DNS History

8 records (6 active, 2 former)

●NSbjorn.ns.cloudflare.com2026-05-04 → 2026-07-20 · 2 obs

● 2026-05-04 13:33:12
● 2026-07-20 19:12:24

●NSjade.ns.cloudflare.com2026-05-04 → 2026-07-20 · 2 obs

● 2026-05-04 13:33:12
● 2026-07-20 19:12:24

●A104.21.29.2352026-05-04 → 2026-07-20 · 4 obs

● 2026-05-04 13:33:12
● 2026-06-10 01:31:54
○ 2026-06-13 10:58:28
● 2026-07-20 19:12:24

●A172.67.171.2272026-05-04 → 2026-07-20 · 4 obs

● 2026-05-04 13:33:12
● 2026-06-10 01:31:54
○ 2026-06-13 10:58:28
● 2026-07-20 19:12:24

●A2606:4700:3031::ac43:abe32026-07-20 → 2026-07-20 · 2 obs

○ 2026-06-13 10:58:28
● 2026-07-20 19:12:24

●A2606:4700:3034::6815:1deb2026-07-20 → 2026-07-20 · 2 obs

○ 2026-06-13 10:58:28
● 2026-07-20 19:12:24

○A2606:4700:3035::6815:1deb2026-05-04 → 2026-06-10 · 4 obs

● 2026-05-04 13:33:12
● 2026-06-10 01:31:54
○ 2026-06-13 10:58:28
○ 2026-07-20 19:12:24

○A2606:4700:3036::ac43:abe32026-05-04 → 2026-06-10 · 4 obs

● 2026-05-04 13:33:12
● 2026-06-10 01:31:54
○ 2026-06-13 10:58:28
○ 2026-07-20 19:12:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ir	a.nic.ir, c.nic.ir, b.nic.ir, d.nic.ir	-
best-class.ir	bjorn.ns.cloudflare.com, jade.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.167

NS records: bjorn.ns.cloudflare.com, jade.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir

⏱️ Timing

Total: 3261ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.29.235, 172.67.171.227`
AAAA	2	`2606:4700:3031::ac43:abe3, 2606:4700:3034::6815:1deb`
NS	2	`bjorn.ns.cloudflare.com, jade.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bjorn.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

best-class.ir resolves to four IP addresses: 104.21.29.235, 172.67.171.227, 2606:4700:3031::ac43:abe3 and 2606:4700:3034::6815:1deb.

Additional host names — mail.elindependiente.com.mx, codex.painelmv.com.br, monpetitpret.com and two others — share IP numbers with best-class.ir.

Name Servers

DNS delegation for best-class.ir points to two name servers: bjorn.ns.cloudflare.com and jade.ns.cloudflare.com.

best-class.ir shares its name server setup with other domains, including bedu.ir, revolvinggames.com, rcade.network and two others.

best-class.ir has at least partial name server overlap with other domains, such as raremichaeljackson.com, kf-pack.com, roxy.cl and two others.

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

Host names with 6 IP numbers:

bjorn.ns.cloudflare.com has IP addresses 108.162.195.98, 162.159.44.98 and 172.64.35.98, plus 3 other.

jade.ns.cloudflare.com has IP addresses 108.162.192.167, 172.64.32.167 and 173.245.58.167, plus 3 other.

best-class.ir - robtex.com

best-class.ir

ir