`pdf9.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:58a6^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:976a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.166^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.106^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`burt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`burt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`burt.ns.cloudflare.com`
		A	108.162.193.79^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	172.64.33.79^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	173.245.59.79^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
NS	`sloan.ns.cloudflare.com`
		A	2606:4700:50::a29f:2634^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c234^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sloan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2234^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sloan.ns.cloudflare.com`
		A	108.162.194.52^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	162.159.38.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	172.64.34.52^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
MX	`premium906.web-hosting.com` ⭐
		A	209.74.67.133^{🇺🇸 NAMCHEAP-PH209.74.67.0/24}
			PTR	`premium906-1.web-hosting.com`
TXT	`v=spf1 ip4:209.74.67.133 ip4:174.138.181.146 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.88.166, 172.67.151.106
		IPv6	2606:4700:3030::6815:58a6, 2606:4700:3031::ac43:976a
SOA	`burt.ns.cloudflare.com`dns@cloudflare.com serial=2398845058

`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=1774487777

Previously MX for

pdf9.com

Same first word

pdf9.com

Similar names

9pdf.com

p9df.com

DNS History

18 records (7 active, 11 former)

●NSburt.ns.cloudflare.com2026-03-09 → 2026-03-26 · 3 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
● 2026-03-26 01:22:18

○NSns1.webhostinghub.com2015-06-28 → 2017-02-16 · 4 obs

● 2015-06-28 05:51:54
● 2017-02-16 11:50:04
○ 2026-03-09 15:11:00
○ 2026-03-26 01:22:18

○NSns2.webhostinghub.com2015-06-28 → 2017-02-16 · 4 obs

● 2015-06-28 05:51:54
● 2017-02-16 11:50:04
○ 2026-03-09 15:11:00
○ 2026-03-26 01:22:18

●NSsloan.ns.cloudflare.com2026-03-09 → 2026-03-26 · 3 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
● 2026-03-26 01:22:18

○MXmail.pdf9.com2026-03-09 → 2026-03-09 · 4 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
○ 2026-03-26 01:22:16
○ 2026-03-26 01:22:18

○MXpdf9.com2015-06-28 → 2017-02-16 · 4 obs

● 2015-06-28 05:51:54
● 2017-02-16 11:50:04
○ 2026-03-09 15:11:00
○ 2026-03-26 01:22:18

●MXpremium906.web-hosting.com2026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-09 15:11:00
● 2026-03-26 01:22:16
● 2026-03-26 01:22:18

●A104.21.88.1662026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-09 15:11:00
● 2026-03-26 01:22:16
● 2026-03-26 01:22:18

●A172.67.151.1062026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-09 15:11:00
● 2026-03-26 01:22:16
● 2026-03-26 01:22:18

○A188.114.96.02026-03-09 → 2026-03-09 · 4 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
○ 2026-03-26 01:22:16
○ 2026-03-26 01:22:18

○A188.114.97.02026-03-09 → 2026-03-09 · 4 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
○ 2026-03-26 01:22:16
○ 2026-03-26 01:22:18

○A192.249.124.412016-03-30 → 2017-02-16 · 5 obs

○ 2016-01-06 18:06:26
● 2016-03-30 10:19:30
● 2017-02-16 11:50:04
○ 2026-03-09 15:11:00
○ 2026-03-26 01:22:18

○A23.235.192.1172015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 05:51:54
○ 2015-11-07 23:30:10
○ 2026-03-26 01:22:18

○A23.235.192.372015-11-07 → 2016-01-06 · 5 obs

○ 2015-06-28 05:51:54
● 2015-11-07 23:30:10
● 2016-01-06 18:06:26
○ 2016-03-30 10:19:30
○ 2026-03-26 01:22:18

●A2606:4700:3030::6815:58a62026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-09 15:11:00
● 2026-03-26 01:22:16
● 2026-03-26 01:22:18

●A2606:4700:3031::ac43:976a2026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-09 15:11:00
● 2026-03-26 01:22:16
● 2026-03-26 01:22:18

○A2a06:98c1:3120::2026-03-09 → 2026-03-09 · 4 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
○ 2026-03-26 01:22:16
○ 2026-03-26 01:22:18

○A2a06:98c1:3121::2026-03-09 → 2026-03-09 · 4 obs

○ 2017-02-16 11:50:04
● 2026-03-09 15:11:00
○ 2026-03-26 01:22:16
○ 2026-03-26 01:22:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
pdf9.com	burt.ns.cloudflare.com, sloan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.52

NS records: burt.ns.cloudflare.com, sloan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdf9.com (unsigned zone)

⏱️ Timing

Total: 761ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.166, 172.67.151.106`
AAAA	2	`2606:4700:3031::ac43:976a, 2606:4700:3030::6815:58a6`
NS	2	`burt.ns.cloudflare.com, sloan.ns.cloudflare.com`
MX	1	`premium906.web-hosting.com (pri: 10)`
TXT	1	`v=spf1 ip4:209.74.67.133 ip4:174.138.181`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`burt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pdf9.com maps to four IP numbers: 2606:4700:3030::6815:58a6, 2606:4700:3031::ac43:976a, 104.21.88.166 and 172.67.151.106.

Other host names, for instance yhm23.com, jeu-t-aime.com, live-dealer-casinos.com.de, greatsys.umc.ac.id and mail.deepchurch.org.uk share IP numbers with pdf9.com.

Name Servers

Two name servers burt.ns.cloudflare.com and sloan.ns.cloudflare.com are delegated to pdf9.com.

pdf9.com uses the same name server configuration as other domains, such as hudless.com, manymornings.com, aliyunmail.app, c2s.ca and aitable.ai.

pdf9.com at least partially shares name servers with other domains such as activelifestylemedicalva.com, liveman.dk, jdu9867mj.com, slcghost.com and zxlkde.info.

these name servers are commonly used with the name servers cris.ns.cloudflare.com.

Host names with six IP numbers: Host name burt.ns.cloudflare.com points to 2606:4700:58::adf5:3b4f, 2803:f800:50::6ca2:c14f, 2a06:98c1:50::ac40:214f, 108.162.193.79, 172.64.33.79 and 173.245.59.79; host name sloan.ns.cloudflare.com points to 2606:4700:50::a29f:2634, 2803:f800:50::6ca2:c234, 2a06:98c1:50::ac40:2234, 108.162.194.52, 162.159.38.52 and 172.64.34.52.

Mail Servers

pdf9.com is handled by a single mail server, premium906.web-hosting.com.

The mail server setup for pdf9.com matches that of other domains, for instance dictionarywebster.com.

premium906.web-hosting.com points to one IP number: 209.74.67.133.

pdf9.com - robtex.com

pdf9.com

com

Previously MX for

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

Mail Servers

`pdf9.com`

`com`