`pdf4test.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:b746^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:285a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.90^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.70^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cash.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c151^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2151^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cash.ns.cloudflare.com`
		A	108.162.193.81^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	172.64.33.81^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	173.245.59.81^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.40.90, 172.67.183.70
		IPv6	2606:4700:3031::ac43:b746, 2606:4700:3033::6815:285a
SOA	`cash.ns.cloudflare.com`dns@cloudflare.com serial=2397782750

`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=1771291435

rank #943571 globally
rank #431104 in the tld

Same first word

pdf4test.com

Similar names

eft4ptsd.org

DNS History

14 records (6 active, 8 former)

●NScash.ns.cloudflare.com2016-12-14 → 2026-03-24 · 2 obs

● 2016-12-14 22:48:16
● 2026-03-24 12:56:38

●NSulla.ns.cloudflare.com2016-12-14 → 2026-03-24 · 2 obs

● 2016-12-14 22:48:16
● 2026-03-24 12:56:38

○A104.18.38.1642016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 22:48:16
○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

○A104.18.39.1642016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 22:48:16
○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

●A104.21.40.902026-03-24 → 2026-03-24 · 3 obs

○ 2016-12-14 22:48:16
● 2026-03-24 12:56:36
● 2026-03-24 12:56:38

●A172.67.183.702026-03-24 → 2026-03-24 · 3 obs

○ 2016-12-14 22:48:16
● 2026-03-24 12:56:36
● 2026-03-24 12:56:38

○A188.114.96.02026-03-24 → 2026-03-24 · 2 obs

○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

○A188.114.97.02026-03-24 → 2026-03-24 · 2 obs

○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

○A2400:cb00:2048:1::6812:26a42016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 22:48:16
○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

○A2400:cb00:2048:1::6812:27a42016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 22:48:16
○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

●A2606:4700:3031::ac43:b7462026-03-24 → 2026-03-24 · 3 obs

○ 2016-12-14 22:48:16
● 2026-03-24 12:56:36
● 2026-03-24 12:56:38

●A2606:4700:3033::6815:285a2026-03-24 → 2026-03-24 · 3 obs

○ 2016-12-14 22:48:16
● 2026-03-24 12:56:36
● 2026-03-24 12:56:38

○A2a06:98c1:3120::2026-03-24 → 2026-03-24 · 2 obs

○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

○A2a06:98c1:3121::2026-03-24 → 2026-03-24 · 2 obs

○ 2026-03-24 12:56:36
○ 2026-03-24 12:56:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
pdf4test.com	ulla.ns.cloudflare.com, cash.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.233

NS records: ulla.ns.cloudflare.com, cash.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdf4test.com (unsigned zone)

⏱️ Timing

Total: 97ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.40.90, 172.67.183.70`
AAAA	2	`2606:4700:3033::6815:285a, 2606:4700:3031::ac43:b746`
NS	2	`cash.ns.cloudflare.com, ulla.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cash.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by pdf4test.com: 2606:4700:3031::ac43:b746, 2606:4700:3033::6815:285a, 104.21.40.90 and 172.67.183.70.

other host names including yxtzslp.com, oleynik.org, pahimojosari.org, www.mo-mentor.com and bodabiz.com share IP numbers with pdf4test.com.

Name Servers

pdf4test.com is delegated to two name servers cash.ns.cloudflare.com and ulla.ns.cloudflare.com.

pdf4test.com shares the same name server setup as other domains, for instance certshiken.com, pass4leader.com, actual4labs.com, pass4test.net and stanphelpsspeaks.com.

pdf4test.com at least partially shares name servers with other domains, for instance everfeng.com, gatlinburgadventuregolf.com, kings.tn, crostes.com and dnevnivesti.com.

These name servers are commonly used alongside clay.ns.cloudflare.com and jessica.ns.cloudflare.com.

Host names with six IP numbers:

Host name cash.ns.cloudflare.com points to: 2606:4700:58::adf5:3b51, 2803:f800:50::6ca2:c151, 2a06:98c1:50::ac40:2151, 108.162.193.81, 172.64.33.81 and 173.245.59.81.

Host name ulla.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae9, 2803:f800:50::6ca2:c0e9, 2a06:98c1:50::ac40:20e9, 108.162.192.233, 172.64.32.233 and 173.245.58.233.

pdf4test.com - robtex.com

pdf4test.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`pdf4test.com`

`com`