`pdf.io`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:20::681a:8e5^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:9e5^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:444a^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.8.229^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.9.229^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.68.74^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenda.ns.cloudflare.com`
		A	108.162.192.77^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	172.64.32.77^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	173.245.58.77^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
NS	`brett.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b4c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brett.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brett.ns.cloudflare.com`
		A	108.162.193.76^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	172.64.33.76^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
		A	173.245.59.76^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brett.ns.cloudflare.com`
TXT	`ahrefs-site-verification_09a30b8bd5aa4cdeb1743769580d0a758c944c7d2b0f00340744...`
TXT	`ca3-bfbe8430dee741cc9c400c79e24b6dd6`
TXT	`google-site-verification=iUxkZ46xlYIdVh6loU0VUJ5zIUvWtWuoMmhOxWxxiTg`
TXT	`google-site-verification=uArJfviAJMrjPUMN4hGVOALVl5LJe25M-yCIUWisxJM`
TXT	`v=spf1 -all`
TXT	`yandex-verification: b24d3db140d439ce`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.8.229, 104.26.9.229, 172.67.68.74
		IPv6	2606:4700:20::681a:8e5, 2606:4700:20::681a:9e5, 2606:4700:20::ac43:444a
SOA	`brenda.ns.cloudflare.com`dns@cloudflare.com serial=2397691207

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐ 🔒
	NS	`a2.nic.io` 🔒
	NS	`b0.nic.io` 🔒
	NS	`c0.nic.io` 🔒
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1771291657

rank #271911 globally
rank #2044 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (66/100)
📈 Tranco rank: #125,386

Same first word

pdf.ai

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pdf.ca

pdf.red

pdf.directory

pdf.com.vn

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pdf.s3.amazonaws.com

pdf.uk.com

pdf.ph

Similar names

fpd.al

dpf.finance

fpd.at

dfp.info

fpd.kz

dpf.tips

fdp.gov.lv

pfd.sk

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fpd.ch

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dpf.at

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dpf.or.th

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fdp.nu

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pfd.net.au

dfp.nic.in

fdp.be

pfd.in

dpf.jetzt

pfd.es

dfp.cc

fdp.me

fdp.sk

dfp.tw

dfp.be

DNS History

21 records (8 active, 13 former)

○NSa.dns.park.io2015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 10:37:42
○ 2015-11-20 17:21:44
○ 2026-02-28 18:25:08

●NSbrenda.ns.cloudflare.com2026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

●NSbrett.ns.cloudflare.com2026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

○NSns-1202.awsdns-22.org2015-11-20 → 2019-02-10 · 5 obs

○ 2015-08-05 10:37:42
● 2015-11-20 17:21:44
● 2019-02-10 15:09:28
○ 2026-02-15 08:01:50
○ 2026-02-28 18:25:08

○NSns-1641.awsdns-13.co.uk2015-11-20 → 2019-02-10 · 5 obs

○ 2015-08-05 10:37:42
● 2015-11-20 17:21:44
● 2019-02-10 15:09:28
○ 2026-02-15 08:01:50
○ 2026-02-28 18:25:08

○NSns-483.awsdns-60.com2015-11-20 → 2019-02-10 · 5 obs

○ 2015-08-05 10:37:42
● 2015-11-20 17:21:44
● 2019-02-10 15:09:28
○ 2026-02-15 08:01:50
○ 2026-02-28 18:25:08

○NSns-773.awsdns-32.net2015-11-20 → 2019-02-10 · 5 obs

○ 2015-08-05 10:37:42
● 2015-11-20 17:21:44
● 2019-02-10 15:09:28
○ 2026-02-15 08:01:50
○ 2026-02-28 18:25:08

○MXmx.yandex.net2016-09-13 → 2026-02-16 · 4 obs

● 2016-09-13 00:50:04
● 2026-02-16 04:03:58
○ 2026-02-19 17:02:30
○ 2026-02-28 18:25:08

●A104.26.8.2292026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

●A104.26.9.2292026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

○A136.243.172.182016-11-23 → 2019-02-10 · 5 obs

○ 2016-09-13 00:50:04
● 2016-11-23 07:17:20
● 2019-02-10 15:09:28
○ 2026-02-15 08:01:50
○ 2026-02-28 18:25:08

○A136.243.172.2132016-03-13 → 2019-02-10 · 9 obs

○ 2015-12-29 08:43:00
● 2016-03-13 07:00:36
● 2016-06-07 04:11:50
○ 2016-09-13 00:50:04
○ 2017-04-06 02:37:54
● 2018-02-08 00:45:02
● 2019-02-10 15:09:28
○ 2026-02-15 08:01:50
○ 2026-02-28 18:25:08

●A172.67.68.742026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

●A2606:4700:20::681a:8e52026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

●A2606:4700:20::681a:9e52026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

●A2606:4700:20::ac43:444a2026-02-15 → 2026-02-28 · 3 obs

○ 2019-02-10 15:09:28
● 2026-02-15 08:01:50
● 2026-02-28 18:25:08

○A50.17.232.1282015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 10:37:42
○ 2018-02-08 00:45:02
○ 2026-02-28 18:25:08

○A54.235.125.2462015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 10:37:42
○ 2018-02-08 00:45:02
○ 2026-02-28 18:25:08

○A78.46.41.1102015-11-20 → 2015-12-29 · 5 obs

○ 2015-08-05 10:37:42
● 2015-11-20 17:21:44
● 2015-12-29 08:43:00
○ 2016-03-13 07:00:36
○ 2026-02-28 18:25:08

○A78.47.89.882016-09-13 → 2016-09-13 · 4 obs

○ 2016-06-07 04:11:50
● 2016-09-13 00:50:04
○ 2016-11-23 07:17:20
○ 2026-02-28 18:25:08

○CNAMEapp.park.io2015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 10:37:42
○ 2015-11-20 17:21:44
○ 2026-02-28 18:25:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
pdf.io	brett.ns.cloudflare.com, brenda.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.32.77

NS records: brett.ns.cloudflare.com, brenda.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.68.74, 104.26.8.229...`
AAAA	3	`2606:4700:20::681a:8e5, 2606:4700:20::ac43:444a...`
NS	2	`brenda.ns.cloudflare.com, brett.ns.cloudflare.com`
TXT	6	`ahrefs-site-verification_09a30b8bd5aa4cd, ca3-bfbe8430dee741cc9c400c79e24b6dd6...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`brenda.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

pdf.io maps to six IP numbers: 2606:4700:20::681a:8e5, 2606:4700:20::681a:9e5, 2606:4700:20::ac43:444a, 104.26.8.229, 104.26.9.229 and 172.67.68.74.

Other host names such as www.poi2u.com, aideen.ch, www.travelbelize.org, fiqoq-ifop-itec.customers.wstd.io and wafra.com.kw share IPs with pdf.io.

Name Servers

Two name servers brenda.ns.cloudflare.com and brett.ns.cloudflare.com handle the delegation for pdf.io.

pdf.io shares the same name server setup as other domains, for example barpuertas.com, enricocerini.it, online-audio-converter.com, audio-converter.ru and exclusivefitnessclub.com.

pdf.io at least partially shares name servers with other domains, for example ni3.net, caiieddverlfy.com, iqconnect.com.au, yastory.net and chelmer.io.

These name servers are often used together with hans.ns.cloudflare.com and johnny.ns.cloudflare.com.

Host names with six IP numbers:

brenda.ns.cloudflare.com points to 2606:4700:50::adf5:3a4d, 2803:f800:50::6ca2:c04d, 2a06:98c1:50::ac40:204d, 108.162.192.77, 172.64.32.77 and 173.245.58.77.

brett.ns.cloudflare.com points to 2606:4700:58::adf5:3b4c, 2803:f800:50::6ca2:c14c, 2a06:98c1:50::ac40:214c, 108.162.193.76, 172.64.33.76 and 173.245.59.76.

pdf.io - robtex.com

pdf.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`pdf.io`

`io`