schoolpdf.com - dns.ninja

`schoolpdf.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:c2eb^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:c95^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.149^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.194.235^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c075^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2075^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gina.ns.cloudflare.com`
		A	108.162.192.117^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	172.64.32.117^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	173.245.58.117^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
TXT	`google-site-verification=-gR1EJ0US35DcK9nhClVpc4vVfl6-lkbYAOVV12NATo`
TXT	`google-site-verification=0c_QT6DnITk_vAKJ6VsLllw-LvO_LnnyOByNOO0W8jU`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.149, 172.67.194.235
		IPv6 hints	2606:4700:3032::ac43:c2eb, 2606:4700:3035::6815:c95
SOA	`gina.ns.cloudflare.com`dns@cloudflare.com serial=2407326962

`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=1782581840

Subdomains

mail.schoolpdf.com

my.schoolpdf.com

Same first word

schoolpdf.com

Similar names

pdfschool.com

DNS History

12 records (6 active, 6 former)

●NSgina.ns.cloudflare.com2026-02-24 → 2026-06-27 · 2 obs

● 2026-02-24 16:05:48
● 2026-06-27 18:03:38

●NSmarek.ns.cloudflare.com2026-02-24 → 2026-06-27 · 2 obs

● 2026-02-24 16:05:48
● 2026-06-27 18:03:38

●A104.21.12.1492026-02-24 → 2026-06-27 · 7 obs

● 2026-02-24 16:05:48
○ 2026-03-03 01:05:52
● 2026-04-25 02:48:22
● 2026-06-16 15:48:48
○ 2026-06-18 05:58:56
● 2026-06-26 18:32:08
● 2026-06-27 18:03:38

●A172.67.194.2352026-02-24 → 2026-06-27 · 7 obs

● 2026-02-24 16:05:48
○ 2026-03-03 01:05:52
● 2026-04-25 02:48:22
● 2026-06-16 15:48:48
○ 2026-06-18 05:58:56
● 2026-06-26 18:32:08
● 2026-06-27 18:03:38

○A188.114.96.02026-03-03 → 2026-06-18 · 7 obs

○ 2026-02-24 16:05:48
● 2026-03-03 01:05:52
○ 2026-04-25 02:48:22
○ 2026-06-16 15:48:48
● 2026-06-18 05:58:56
○ 2026-06-26 18:32:08
○ 2026-06-27 18:03:38

○A188.114.97.02026-03-03 → 2026-06-18 · 7 obs

○ 2026-02-24 16:05:48
● 2026-03-03 01:05:52
○ 2026-04-25 02:48:22
○ 2026-06-16 15:48:48
● 2026-06-18 05:58:56
○ 2026-06-26 18:32:08
○ 2026-06-27 18:03:38

●A2606:4700:3032::ac43:c2eb2026-06-26 → 2026-06-27 · 3 obs

○ 2026-06-18 05:58:56
● 2026-06-26 18:32:08
● 2026-06-27 18:03:38

○A2606:4700:3033::6815:c952026-02-24 → 2026-06-16 · 6 obs

● 2026-02-24 16:05:48
○ 2026-03-03 01:05:52
● 2026-04-25 02:48:22
● 2026-06-16 15:48:48
○ 2026-06-18 05:58:56
○ 2026-06-27 18:03:38

○A2606:4700:3034::ac43:c2eb2026-02-24 → 2026-06-16 · 6 obs

● 2026-02-24 16:05:48
○ 2026-03-03 01:05:52
● 2026-04-25 02:48:22
● 2026-06-16 15:48:48
○ 2026-06-18 05:58:56
○ 2026-06-27 18:03:38

●A2606:4700:3035::6815:c952026-06-26 → 2026-06-27 · 3 obs

○ 2026-06-18 05:58:56
● 2026-06-26 18:32:08
● 2026-06-27 18:03:38

○A2a06:98c1:3120::2026-03-03 → 2026-06-18 · 7 obs

○ 2026-02-24 16:05:48
● 2026-03-03 01:05:52
○ 2026-04-25 02:48:22
○ 2026-06-16 15:48:48
● 2026-06-18 05:58:56
○ 2026-06-26 18:32:08
○ 2026-06-27 18:03:38

○A2a06:98c1:3121::2026-03-03 → 2026-06-18 · 7 obs

○ 2026-02-24 16:05:48
● 2026-03-03 01:05:52
○ 2026-04-25 02:48:22
○ 2026-06-16 15:48:48
● 2026-06-18 05:58:56
○ 2026-06-26 18:32:08
○ 2026-06-27 18:03:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
schoolpdf.com	gina.ns.cloudflare.com, marek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: gina.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolpdf.com (unsigned zone)

⏱️ Timing

Total: 1074ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.149, 172.67.194.235`
AAAA	2	`2606:4700:3035::6815:c95, 2606:4700:3032::ac43:c2eb`
NS	2	`gina.ns.cloudflare.com, marek.ns.cloudflare.com`
TXT	2	`google-site-verification=-gR1EJ0US35DcK9, google-site-verification=0c_QT6DnITk_vAK`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gina.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent domain of mail.schoolpdf.com and my.schoolpdf.com is schoolpdf.com.

IP Addresses

schoolpdf.com has four IP addresses: 104.21.12.149, 172.67.194.235, 2606:4700:3032::ac43:c2eb and 2606:4700:3035::6815:c95.

Among the host names that share IP numbers with schoolpdf.com are angfaanfang.com, yavtube.com, plaza-vl.ru and two others.

Name Servers

DNS delegation for schoolpdf.com points to two name servers: gina.ns.cloudflare.com and marek.ns.cloudflare.com.

schoolpdf.com has the same name server delegation as a number of other domains, such as gowest.blog, neohel.com, eatandsleep.blog and two more.

schoolpdf.com partially shares its NS delegation with several other domains, including agorapb.com.br, iptoolset.com, tavirexopuni.com and two others.

These name servers regularly co-occur with the name servers pablo.ns.cloudflare.com, anderson.ns.cloudflare.com and jim.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gina.ns.cloudflare.com has IP addresses 108.162.192.117, 172.64.32.117 and 173.245.58.117, plus 3 other.

marek.ns.cloudflare.com has IP addresses 108.162.193.202, 172.64.33.202 and 173.245.59.202, plus 3 other.