`courseperks.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:ba42^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:488e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.142^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.66^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bayan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c148^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bayan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2148^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bayan.ns.cloudflare.com`
		A	108.162.193.72^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	172.64.33.72^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
		A	173.245.59.72^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bayan.ns.cloudflare.com`
NS	`sreeni.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sreeni.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sreeni.ns.cloudflare.com`
		A	108.162.194.178^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	162.159.38.178^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	172.64.34.178^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵³⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.72.142, 172.67.186.66
		IPv6	2606:4700:3034::ac43:ba42, 2606:4700:3036::6815:488e
SOA	`bayan.ns.cloudflare.com`dns@cloudflare.com serial=2397221444

`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=1774635092

Same first word

courseperks.com

DNS History

13 records (9 active, 4 former)

●NSbayan.ns.cloudflare.com2026-03-04 → 2026-03-27 · 2 obs

● 2026-03-04 16:52:00
● 2026-03-27 18:26:16

●NSsreeni.ns.cloudflare.com2026-03-04 → 2026-03-27 · 2 obs

● 2026-03-04 16:52:00
● 2026-03-27 18:26:16

●MXroute1.mx.cloudflare.net2026-03-04 → 2026-03-27 · 2 obs

● 2026-03-04 16:52:00
● 2026-03-27 18:26:16

●MXroute2.mx.cloudflare.net2026-03-04 → 2026-03-27 · 2 obs

● 2026-03-04 16:52:00
● 2026-03-27 18:26:16

●MXroute3.mx.cloudflare.net2026-03-04 → 2026-03-27 · 2 obs

● 2026-03-04 16:52:00
● 2026-03-27 18:26:16

●A104.21.72.1422026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-04 16:52:00
● 2026-03-27 18:26:12
● 2026-03-27 18:26:16

●A172.67.186.662026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-04 16:52:00
● 2026-03-27 18:26:12
● 2026-03-27 18:26:16

○A188.114.96.02026-03-04 → 2026-03-04 · 3 obs

● 2026-03-04 16:52:00
○ 2026-03-27 18:26:12
○ 2026-03-27 18:26:16

○A188.114.97.02026-03-04 → 2026-03-04 · 3 obs

● 2026-03-04 16:52:00
○ 2026-03-27 18:26:12
○ 2026-03-27 18:26:16

●A2606:4700:3034::ac43:ba422026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-04 16:52:00
● 2026-03-27 18:26:12
● 2026-03-27 18:26:16

●A2606:4700:3036::6815:488e2026-03-27 → 2026-03-27 · 3 obs

○ 2026-03-04 16:52:00
● 2026-03-27 18:26:12
● 2026-03-27 18:26:16

○A2a06:98c1:3120::2026-03-04 → 2026-03-04 · 3 obs

● 2026-03-04 16:52:00
○ 2026-03-27 18:26:12
○ 2026-03-27 18:26:16

○A2a06:98c1:3121::2026-03-04 → 2026-03-04 · 3 obs

● 2026-03-04 16:52:00
○ 2026-03-27 18:26:12
○ 2026-03-27 18:26:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
courseperks.com	bayan.ns.cloudflare.com, sreeni.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.72

NS records: bayan.ns.cloudflare.com, sreeni.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseperks.com (unsigned zone)

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.66, 104.21.72.142`
AAAA	2	`2606:4700:3034::ac43:ba42, 2606:4700:3036::6815:488e`
NS	2	`bayan.ns.cloudflare.com, sreeni.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 15), route1.mx.cloudflare.net (pri: 53)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bayan.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

courseperks.com maps to four IP numbers: 2606:4700:3034::ac43:ba42, 2606:4700:3036::6815:488e, 104.21.72.142 and 172.67.186.66.

Other host names, for instance v2ray.one, www.overad.ru, parkvisits.com, franchiseforeningen.se and enterato.com share IP numbers with courseperks.com.

Name Servers

Two name servers bayan.ns.cloudflare.com and sreeni.ns.cloudflare.com handle delegation for courseperks.com.

courseperks.com uses the same name server setup as other domains, for example positiveseguros.com, clemex.com, rocia.net, institutodecirugiaocular.com and petipia.com.mx.

courseperks.com partially shares name servers with other domains; examples include cheloidd.watch, bararata.com, asap969.com, foruhome.com and gamepoker.pt.

These name servers are commonly used with rajeev.ns.cloudflare.com, cash.ns.cloudflare.com, keenan.ns.cloudflare.com, tim.ns.cloudflare.com, angela.ns.cloudflare.com and aisha.ns.cloudflare.com.

Host names with six IP numbers: bayan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b48, 2803:f800:50::6ca2:c148, 2a06:98c1:50::ac40:2148, 108.162.193.72, 172.64.33.72 and 173.245.59.72; sreeni.ns.cloudflare.com points to: 2606:4700:50::a29f:26b2, 2803:f800:50::6ca2:c2b2, 2a06:98c1:50::ac40:22b2, 108.162.194.178, 162.159.38.178 and 172.64.34.178.

Mail Servers

courseperks.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

courseperks.com shares some mail servers with other domains, at least partially, such as decimalcs.com, elmwi.com, arb.chat, eaccess.ca and favpark.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

courseperks.com - robtex.com

courseperks.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`courseperks.com`

`com`