courstep.com - dns.ninja

`courstep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:855c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:de3^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.227^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.92^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tony.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bf0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tony.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tony.ns.cloudflare.com`
		A	108.162.193.240^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	172.64.33.240^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	173.245.59.240^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
NS	`tricia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tricia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tricia.ns.cloudflare.com`
		A	108.162.192.232^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	172.64.32.232^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	173.245.58.232^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.227, 172.67.133.92
		IPv6 hints	2606:4700:3033::ac43:855c, 2606:4700:3035::6815:de3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`tony.ns.cloudflare.com`dns@cloudflare.com serial=2406711208

`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=1783928657

⚠️ On DNS blocklist: tif

Same first word

courstep.com

Similar names

potscure.com

cpustore.be

pcustore.com

cuesport.org

petrusco.ru

truecops.in

ptsource.github.io

cpustore.net

cuesport.co.uk

cupstore.at

scoutrep.com

tpsource.com

protecus.de

suprotec.org

suprotec.com

utepscor.org

cerustop.com

erpscout.de

sproutec.com

coupster.com

procetus.com

upcstore.com

sourcept.com

cupstore.ch

tpsource.net

proectus.ru

ptsource.org

ptsource.com

ucpstore.com

uscopter.com

storecup.com

suportec.srv.br

perscout.de

secuport.com

copterus.com

ptsource.mobi

sportceu.com

cuesport.de

coursept.com

suprotec.net

suprotec.ru

cpustore.com

spruteco.com

sectorup.com

cupstore.com

sourcept.co.uk

ecusport.com

curepots.org

cupstore.fr

cerustop.at

prosutec.com

cerustop.eu

prescout.eu

secuport.at

truscope.net

cupstore.de

coupster.info

protecus.com

cetuspro.com

scouterp.com

certopus.com

cuesport.com.au

coupster.co

scroteup.com

curestop.com

cuesport.com

prosutec.net

tourspec.com

cerustop.de

cerustop.co.uk

ecusport.es

supertoc.com

suproect.kz

secuport.de

cuesport.tv

ptsource.eu

DNS History

12 records (6 active, 6 former)

●NStony.ns.cloudflare.com2026-05-07 → 2026-07-13 · 2 obs

● 2026-05-07 00:59:30
● 2026-07-13 08:12:38

●NStricia.ns.cloudflare.com2026-05-07 → 2026-07-13 · 2 obs

● 2026-05-07 00:59:30
● 2026-07-13 08:12:38

●A104.21.13.2272026-05-07 → 2026-07-13 · 3 obs

● 2026-05-07 00:59:30
○ 2026-06-21 16:04:54
● 2026-07-13 08:12:38

●A172.67.133.922026-05-07 → 2026-07-13 · 3 obs

● 2026-05-07 00:59:30
○ 2026-06-21 16:04:54
● 2026-07-13 08:12:38

○A188.114.96.02026-06-21 → 2026-06-21 · 3 obs

○ 2026-06-20 01:50:32
● 2026-06-21 16:04:54
○ 2026-07-13 08:12:38

○A188.114.97.02026-06-21 → 2026-06-21 · 3 obs

○ 2026-06-20 01:50:32
● 2026-06-21 16:04:54
○ 2026-07-13 08:12:38

○A2606:4700:3032::6815:de32026-05-07 → 2026-06-15 · 4 obs

● 2026-05-07 00:59:30
● 2026-06-15 20:35:00
○ 2026-06-20 01:50:32
○ 2026-07-13 08:12:38

●A2606:4700:3033::ac43:855c2026-06-20 → 2026-07-13 · 4 obs

○ 2026-06-15 20:35:00
● 2026-06-20 01:50:32
○ 2026-06-21 16:04:54
● 2026-07-13 08:12:38

●A2606:4700:3035::6815:de32026-06-20 → 2026-07-13 · 4 obs

○ 2026-06-15 20:35:00
● 2026-06-20 01:50:32
○ 2026-06-21 16:04:54
● 2026-07-13 08:12:38

○A2606:4700:3037::ac43:855c2026-05-07 → 2026-06-15 · 4 obs

● 2026-05-07 00:59:30
● 2026-06-15 20:35:00
○ 2026-06-20 01:50:32
○ 2026-07-13 08:12:38

○A2a06:98c1:3120::2026-06-21 → 2026-06-21 · 3 obs

○ 2026-06-20 01:50:32
● 2026-06-21 16:04:54
○ 2026-07-13 08:12:38

○A2a06:98c1:3121::2026-06-21 → 2026-06-21 · 3 obs

○ 2026-06-20 01:50:32
● 2026-06-21 16:04:54
○ 2026-07-13 08:12:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
courstep.com	tricia.ns.cloudflare.com, tony.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.232

NS records: tricia.ns.cloudflare.com, tony.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courstep.com (unsigned zone)

⏱️ Timing

Total: 234ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.92, 104.21.13.227`
AAAA	2	`2606:4700:3035::6815:de3, 2606:4700:3033::ac43:855c`
NS	2	`tony.ns.cloudflare.com, tricia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`tony.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

courstep.com has four IP addresses: 104.21.13.227, 172.67.133.92, 2606:4700:3033::ac43:855c and 2606:4700:3035::6815:de3.

Additional host names — certificazione.it, emlynellisaddison.com, hafeziquran.com and two others — share IP numbers with courstep.com.

Name Servers

courstep.com has two authoritative name servers — tony.ns.cloudflare.com and tricia.ns.cloudflare.com.

courstep.com shares its name server setup with other domains, including kittieslodge.co.uk, cascozamora.com, bigdadtech.com and two others.

courstep.com shares at least some of its name servers with other domains, including zardenint.ru, tait168.com, joola.com.tw and two others.

These name servers are frequently paired with the name servers samara.ns.cloudflare.com and jaxson.ns.cloudflare.com.

Host names with 6 IP numbers:

tony.ns.cloudflare.com points to 108.162.193.240, 172.64.33.240, 173.245.59.240 and 3 other IP addresses.

tricia.ns.cloudflare.com points to 108.162.192.232, 172.64.32.232, 173.245.58.232 and 3 other IP addresses.