`pdfnotes.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:61^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:96d2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.97^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.210^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
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`
NS	`monroe.ns.cloudflare.com`
		A	2606:4700:50::a29f:2699^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monroe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c299^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`monroe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2299^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`monroe.ns.cloudflare.com`
		A	108.162.194.153^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monroe.ns.cloudflare.com`
		A	162.159.38.153^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monroe.ns.cloudflare.com`
		A	172.64.34.153^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`monroe.ns.cloudflare.com`
MX	`mx1.emailsrvr.com` ⭐
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:emailsrvr.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.0.97, 172.67.150.210
		IPv6	2606:4700:3030::6815:61, 2606:4700:3033::ac43:96d2
SOA	`brett.ns.cloudflare.com`dns@cloudflare.com serial=2397904717

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co` 🔒
	NS	`b.registrydns.co` 🔒
	NS	`c.registrydns.co` 🔒
	NS	`d.registrydns.co` 🔒
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759588016

📈 Tranco rank: #802,245

Subdomains

www.pdfnotes.co

Same first word

pdfnotes.co

Similar names

petsfond.com

petfonds.com

DNS History

15 records (8 active, 7 former)

●NSbrett.ns.cloudflare.com2026-03-03 → 2026-03-04 · 3 obs

○ 2019-12-24 13:23:22
● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

●NSmonroe.ns.cloudflare.com2026-03-03 → 2026-03-04 · 3 obs

○ 2019-12-24 13:23:22
● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

○NSns65.domaincontrol.com2019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 13:23:22
○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

○NSns66.domaincontrol.com2019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 13:23:22
○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

●MXmx1.emailsrvr.com2026-03-03 → 2026-03-04 · 2 obs

● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

●MXmx2.emailsrvr.com2026-03-03 → 2026-03-04 · 2 obs

● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

●A104.21.0.972026-03-03 → 2026-03-04 · 3 obs

○ 2019-12-24 13:23:22
● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

○A172.64.80.12026-03-03 → 2026-03-04 · 2 obs

○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

●A172.67.150.2102026-03-03 → 2026-03-04 · 3 obs

○ 2019-12-24 13:23:22
● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

○A216.239.32.212019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 13:23:22
○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

○A216.239.34.212019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 13:23:22
○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

○A216.239.36.212019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 13:23:22
○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

○A216.239.38.212019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 13:23:22
○ 2026-03-03 11:50:40
○ 2026-03-04 07:25:16

●A2606:4700:3030::6815:612026-03-03 → 2026-03-04 · 3 obs

○ 2019-12-24 13:23:22
● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

●A2606:4700:3033::ac43:96d22026-03-03 → 2026-03-04 · 3 obs

○ 2019-12-24 13:23:22
● 2026-03-03 11:50:40
● 2026-03-04 07:25:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co	-
pdfnotes.co	brett.ns.cloudflare.com, monroe.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.193.76

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdfnotes.co (unsigned zone)

⏱️ Timing

Total: 557ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.97, 172.67.150.210`
AAAA	2	`2606:4700:3033::ac43:96d2, 2606:4700:3030::6815:61`
NS	2	`brett.ns.cloudflare.com, monroe.ns.cloudflare.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	1	`v=spf1 include:emailsrvr.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brett.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

pdfnotes.co is the parent of www.pdfnotes.co.

IP Addresses

pdfnotes.co resolves to four IP numbers: 2606:4700:3030::6815:61, 2606:4700:3033::ac43:96d2, 104.21.0.97 and 172.67.150.210.

other host names for instance effgamingblog.com, www.apk.plus, rota.mt, manga-zone.org and nowmindset.com share IP numbers with pdfnotes.co.

Name Servers

pdfnotes.co is delegated to two name servers: brett.ns.cloudflare.com and monroe.ns.cloudflare.com.

pdfnotes.co shares the same name server setup as other domains, for example momspickup.com, storesgo.com, lady4boys.com, cumshots-(0x626c6f776a6f62).com and pt138138.com.

pdfnotes.co at least partially shares name servers with other domains, for instance secureshop.com.es, pl-oferta4759182.shop, cobosinmobiliaria.com.ar, tikshop66.top and agencijapin.ba.

These name servers are commonly used with rodrigo.ns.cloudflare.com, guss.ns.cloudflare.com and chad.ns.cloudflare.com.

Host names with six IP numbers:

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; monroe.ns.cloudflare.com points to: 2606:4700:50::a29f:2699, 2803:f800:50::6ca2:c299, 2a06:98c1:50::ac40:2299, 108.162.194.153, 162.159.38.153 and 172.64.34.153.

Mail Servers

pdfnotes.co is handled by two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

pdfnotes.co shares the same mail server setup as other domains, for instance sawgrassre.com, bmwmotorcyclesofalcoa.com, gokartsusa.biz, bodegoes.com and paorthosociety.org.

pdfnotes.co shares mail servers with other domains at least partially, including principalsecret.com, baste.ie, houstondiamondoutlet.com, youtoo.co.il and fitnessland.com.gt.

Host names with one IP number:

The host mx1.emailsrvr.com points to 146.20.161.1 and the host mx2.emailsrvr.com points to 184.106.54.2.

pdfnotes.co - robtex.com

pdfnotes.co

co

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`pdfnotes.co`

`co`