pdfopen.com - dns.ninja

`pdfopen.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4728^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8f16^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.40^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.22^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`achiel.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`achiel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`achiel.ns.cloudflare.com`
		A	108.162.195.123^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
		A	162.159.44.123^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
		A	172.64.35.123^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
NS	`olivia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26dd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olivia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olivia.ns.cloudflare.com`
		A	108.162.194.221^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
		A	162.159.38.221^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
		A	172.64.34.221^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olivia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.40, 172.67.143.22
		IPv6 hints	2606:4700:3030::6815:4728, 2606:4700:3032::ac43:8f16
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOA	`achiel.ns.cloudflare.com`dns@cloudflare.com serial=2408877293

`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=1783990422

Same first word

pdfopen.com

Similar names

openpdf.nl

openpdf.cn

openpdf.be

openpdf.info

openpdf.pro

openpdf.com

openpdf.org

openpdf.us

DNS History

18 records (6 active, 12 former)

●NSachiel.ns.cloudflare.com2026-02-21 → 2026-07-14 · 3 obs

○ 2020-01-30 10:30:36
● 2026-02-21 08:56:46
● 2026-07-14 01:12:52

●NSolivia.ns.cloudflare.com2026-02-21 → 2026-07-14 · 3 obs

○ 2020-01-30 10:30:36
● 2026-02-21 08:56:46
● 2026-07-14 01:12:52

○NSpdns01.domaincontrol.com2015-05-25 → 2020-01-30 · 4 obs

● 2015-05-25 00:26:14
● 2020-01-30 10:30:36
○ 2026-02-21 08:56:46
○ 2026-07-14 01:12:52

○NSpdns02.domaincontrol.com2015-05-25 → 2020-01-30 · 4 obs

● 2015-05-25 00:26:14
● 2020-01-30 10:30:36
○ 2026-02-21 08:56:46
○ 2026-07-14 01:12:52

○MXmailstore1.secureserver.net2015-05-25 → 2020-01-30 · 4 obs

● 2015-05-25 00:26:14
● 2020-01-30 10:30:36
○ 2026-02-21 08:56:46
○ 2026-07-14 01:12:52

○MXsmtp.secureserver.net2015-05-25 → 2020-01-30 · 4 obs

● 2015-05-25 00:26:14
● 2020-01-30 10:30:36
○ 2026-02-21 08:56:46
○ 2026-07-14 01:12:52

●A104.21.71.402026-03-26 → 2026-07-14 · 6 obs

○ 2026-02-21 08:56:46
● 2026-03-26 06:51:48
● 2026-04-29 08:00:52
○ 2026-05-05 18:15:04
● 2026-05-23 06:13:34
● 2026-07-14 01:12:52

●A172.67.143.222026-03-26 → 2026-07-14 · 6 obs

○ 2026-02-21 08:56:46
● 2026-03-26 06:51:48
● 2026-04-29 08:00:52
○ 2026-05-05 18:15:04
● 2026-05-23 06:13:34
● 2026-07-14 01:12:52

○A184.168.131.2412020-01-30 → 2020-01-30 · 4 obs

○ 2017-03-16 08:54:06
● 2020-01-30 10:30:36
○ 2026-02-21 08:56:46
○ 2026-07-14 01:12:52

○A184.168.221.192015-05-25 → 2017-03-16 · 4 obs

● 2015-05-25 00:26:14
● 2017-03-16 08:54:06
○ 2020-01-30 10:30:36
○ 2026-07-14 01:12:52

○A188.114.96.02026-02-21 → 2026-05-05 · 7 obs

○ 2020-01-30 10:30:36
● 2026-02-21 08:56:46
○ 2026-03-26 06:51:48
○ 2026-04-29 08:00:52
● 2026-05-05 18:15:04
○ 2026-05-23 06:13:34
○ 2026-07-14 01:12:52

○A188.114.97.02026-02-21 → 2026-05-05 · 7 obs

○ 2020-01-30 10:30:36
● 2026-02-21 08:56:46
○ 2026-03-26 06:51:48
○ 2026-04-29 08:00:52
● 2026-05-05 18:15:04
○ 2026-05-23 06:13:34
○ 2026-07-14 01:12:52

●A2606:4700:3030::6815:47282026-07-14 → 2026-07-14 · 2 obs

○ 2026-05-23 06:13:34
● 2026-07-14 01:12:52

○A2606:4700:3031::6815:47282026-03-26 → 2026-05-23 · 6 obs

○ 2026-02-21 08:56:46
● 2026-03-26 06:51:48
● 2026-04-29 08:00:52
○ 2026-05-05 18:15:04
● 2026-05-23 06:13:34
○ 2026-07-14 01:12:52

●A2606:4700:3032::ac43:8f162026-07-14 → 2026-07-14 · 2 obs

○ 2026-05-23 06:13:34
● 2026-07-14 01:12:52

○A2606:4700:3037::ac43:8f162026-03-26 → 2026-05-23 · 6 obs

○ 2026-02-21 08:56:46
● 2026-03-26 06:51:48
● 2026-04-29 08:00:52
○ 2026-05-05 18:15:04
● 2026-05-23 06:13:34
○ 2026-07-14 01:12:52

○A2a06:98c1:3120::2026-02-21 → 2026-05-05 · 7 obs

○ 2020-01-30 10:30:36
● 2026-02-21 08:56:46
○ 2026-03-26 06:51:48
○ 2026-04-29 08:00:52
● 2026-05-05 18:15:04
○ 2026-05-23 06:13:34
○ 2026-07-14 01:12:52

○A2a06:98c1:3121::2026-02-21 → 2026-05-05 · 7 obs

○ 2020-01-30 10:30:36
● 2026-02-21 08:56:46
○ 2026-03-26 06:51:48
○ 2026-04-29 08:00:52
● 2026-05-05 18:15:04
○ 2026-05-23 06:13:34
○ 2026-07-14 01:12:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net...	-
pdfopen.com	olivia.ns.cloudflare.com, achiel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.123

NS records: olivia.ns.cloudflare.com, achiel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdfopen.com (unsigned zone)

⏱️ Timing

Total: 484ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.22, 104.21.71.40`
AAAA	2	`2606:4700:3032::ac43:8f16, 2606:4700:3030::6815:4728`
NS	2	`achiel.ns.cloudflare.com, olivia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`achiel.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pdfopen.com points to the four IP addresses 104.21.71.40, 172.67.143.22, 2606:4700:3030::6815:4728 and 2606:4700:3032::ac43:8f16.

Two other host names, along with ftslifecare.com, www.377ee.com and herpessymptomsinmen.org, also share IP numbers with pdfopen.com.

Name Servers

pdfopen.com has two authoritative name servers — achiel.ns.cloudflare.com and olivia.ns.cloudflare.com.

pdfopen.com shares its NS records with other domains, for example scrapmetalbulletin.com, thelongcenter.org, pdfencrypt.com and two others.

There is at least partial name server overlap between pdfopen.com and other domains — bbzevqej.com, 084444.com, veuwpackaging.co.za and two more among them.

The name servers peyton.ns.cloudflare.com, ajay.ns.cloudflare.com, hadlee.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

achiel.ns.cloudflare.com points to 108.162.195.123, 162.159.44.123, 172.64.35.123 and 3 other IP addresses.

olivia.ns.cloudflare.com points to 108.162.194.221, 162.159.38.221, 172.64.34.221 and 3 other IP addresses.