coursepad.com - dns.ninja

`coursepad.com`

DNSSEC	⚠️ Not signed
A	52.187.74.255^{🇸🇬 Microsoft52.160.0.0/11}
NS	`blair.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2679^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c279^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2279^{Cloudflare2a06:98c1:50::/45}
		A	108.162.194.121^{Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.121^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.121^{Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`norm.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c186^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norm.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2186^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norm.ns.cloudflare.com`
		A	108.162.193.134^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	172.64.33.134^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	173.245.59.134^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=BhSBEN3GO5LXwUJN5W6UfKTpJ-BAIZzYVKJv_S7GrkY`
TXT	`google-site-verification=VBQK6Woq0N_8OPBEjTSbixuiM0Apm66TjKo9yoWBFY4`
TXT	`v=spf1 include:amazonses.com include:_spf.google.com -all`
SOA	`blair.ns.cloudflare.com`dns@cloudflare.com serial=2408354401

`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=1783837352

Subdomains

stats.coursepad.com

Same first word

coursepad.nl

coursepad.me

coursepad.com

coursepad.io

Similar names

saudecorp.com.br

proudcase.com

pseudorca.com

docuparse.com

supracode.es

padsource.com

dropsauce.com

DNS History

14 records (8 active, 6 former)

●NSblair.ns.cloudflare.com2026-02-17 → 2026-07-12 · 3 obs

○ 2020-02-12 20:43:04
● 2026-02-17 12:38:36
● 2026-07-12 06:30:26

●NSnorm.ns.cloudflare.com2026-02-17 → 2026-07-12 · 3 obs

○ 2020-02-12 20:43:04
● 2026-02-17 12:38:36
● 2026-07-12 06:30:26

○NSns1.coursepad.org2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 12:53:00
○ 2015-08-14 15:24:22
○ 2026-07-12 06:30:26

○NSns1.vodien.com2015-08-14 → 2020-02-12 · 5 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2020-02-12 20:43:04
○ 2026-02-17 12:38:36
○ 2026-07-12 06:30:26

○NSns2.coursepad.org2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 12:53:00
○ 2015-08-14 15:24:22
○ 2026-07-12 06:30:26

○NSns2.vodien.com2015-08-14 → 2020-02-12 · 5 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2020-02-12 20:43:04
○ 2026-02-17 12:38:36
○ 2026-07-12 06:30:26

○NSns3.vodien.com2015-08-14 → 2020-02-12 · 5 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2020-02-12 20:43:04
○ 2026-02-17 12:38:36
○ 2026-07-12 06:30:26

●MXalt1.aspmx.l.google.com2015-08-14 → 2026-07-12 · 3 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2026-07-12 06:30:26

●MXalt2.aspmx.l.google.com2015-08-14 → 2026-07-12 · 3 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2026-07-12 06:30:26

●MXalt3.aspmx.l.google.com2015-08-14 → 2026-07-12 · 3 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2026-07-12 06:30:26

●MXalt4.aspmx.l.google.com2015-08-14 → 2026-07-12 · 3 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2026-07-12 06:30:26

●MXaspmx.l.google.com2015-08-14 → 2026-07-12 · 3 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2026-07-12 06:30:26

○A23.101.20.2512015-08-14 → 2020-02-12 · 5 obs

○ 2008-03-14 12:53:00
● 2015-08-14 15:24:22
● 2020-02-12 20:43:04
○ 2026-02-17 12:38:36
○ 2026-07-12 06:30:26

●A52.187.74.2552026-02-17 → 2026-07-12 · 3 obs

○ 2020-02-12 20:43:04
● 2026-02-17 12:38:36
● 2026-07-12 06:30:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
coursepad.com	norm.ns.cloudflare.com, blair.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.121

NS records: norm.ns.cloudflare.com, blair.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursepad.com (unsigned zone)

⏱️ Timing

Total: 4557ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.187.74.255`
NS	2	`blair.ns.cloudflare.com, norm.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=BhSBEN3GO5LXwUJ, google-site-verification=VBQK6Woq0N_8OPB...`
SOA	1	`blair.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

stats.coursepad.com is a subdomain of coursepad.com.

IP Addresses

coursepad.com resolves to one IP address: 52.187.74.255.

Other host names share IP numbers with coursepad.com; stats.coursepad.com is one such example.

Name Servers

coursepad.com is served by two delegated name servers, blair.ns.cloudflare.com and norm.ns.cloudflare.com.

coursepad.com shares the same name server setup with other domains, for instance epitome.global, sageom.com, 666400.xyz and two other.

Hostnames that resolve to 6 IP addresses:

blair.ns.cloudflare.com carries IP addresses 108.162.194.121, 162.159.38.121 and 172.64.34.121, with 3 other addresses beyond those.

norm.ns.cloudflare.com carries IP addresses 108.162.193.134, 172.64.33.134 and 173.245.59.134, with 3 other addresses beyond those.

Mail Servers

Five mail servers handle coursepad.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 192.178.155.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.