`pdfclass.ir`

DNSSEC	⚠️ Not signed
NS	`carlane.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:50::a29f:2619^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c219^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carlane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2219^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carlane.ns.cloudflare.com`
		A	108.162.194.25^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	162.159.38.25^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	172.64.34.25^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
NS	`jihoon.ns.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:58::a29f:2ce9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jihoon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jihoon.ns.cloudflare.com`
		A	108.162.195.233^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
		A	162.159.44.233^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`
		A	172.64.35.233^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jihoon.ns.cloudflare.com`

`ir`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ir` ⭐
	NS	`b.nic.ir`
	NS	`c.nic.ir`
	NS	`d.nic.ir`
	SOA	`a.nic.ir`info@nic.ir serial=2608060630

⚠️ On DNS blocklist: tif, tif.medium, tif.mini

Same first word

pdfclass.ir

pdfclass.com

DNS History

4 records (2 active, 2 former)

●NScarlane.ns.cloudflare.com2026-07-10 → 2026-08-06 · 2 obs

● 2026-07-10 02:48:06
● 2026-08-06 03:16:18

●NSjihoon.ns.cloudflare.com2026-07-10 → 2026-08-06 · 2 obs

● 2026-07-10 02:48:06
● 2026-08-06 03:16:18

○A104.21.85.72026-07-10 → 2026-07-10 · 2 obs

● 2026-07-10 02:48:06
○ 2026-08-06 03:16:18

○A172.67.200.1102026-07-10 → 2026-07-10 · 2 obs

● 2026-07-10 02:48:06
○ 2026-08-06 03:16:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ir	a.nic.ir, b.nic.ir, c.nic.ir, d.nic.ir	8 records
pdfclass.ir	carlane.ns.cloudflare.com, jihoon.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.233

NS records: carlane.ns.cloudflare.com, jihoon.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: 3391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.110, 104.21.85.7`
NS	2	`carlane.ns.cloudflare.com, jihoon.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carlane.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.ir, a.nic.ir, b.nic.ir...)

Analysis

Name Servers

pdfclass.ir is served by two delegated name servers, carlane.ns.cloudflare.com and jihoon.ns.cloudflare.com.

pdfclass.ir shares its NS records with other domains, for example mahbet.poker, golibet.page, cambodia1x.net and two others.

At least some of pdfclass.ir's name servers are shared with other domains, for example roditis.net, resslermateer.com, bbaa-airlift.org.uk and two more.

It is common for these name servers to be used in conjunction with the name servers dion.ns.cloudflare.com, donovan.ns.cloudflare.com and gemma.ns.cloudflare.com.

DNS names with 6 IP addresses:

carlane.ns.cloudflare.com carries IP addresses 108.162.194.25, 162.159.38.25 and 172.64.34.25, with 3 other addresses beyond those.

jihoon.ns.cloudflare.com carries IP addresses 108.162.195.233, 162.159.44.233 and 172.64.35.233, with 3 other addresses beyond those.

pdfclass.ir - robtex.com

pdfclass.ir

ir