`kursapp.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:884a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1a86^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.134^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.74^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`colette.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:261c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colette.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`colette.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`colette.ns.cloudflare.com`
		A	108.162.194.28^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colette.ns.cloudflare.com`
		A	162.159.38.28^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colette.ns.cloudflare.com`
		A	172.64.34.28^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colette.ns.cloudflare.com`
NS	`nicolas.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c354^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicolas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2354^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicolas.ns.cloudflare.com`
		A	108.162.195.84^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	162.159.44.84^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.ns.cloudflare.com`
		A	172.64.35.84^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicolas.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`⁽⁴⁹⁾
		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 hints	104.21.26.134, 172.67.136.74
		IPv6 hints	2606:4700:3030::ac43:884a, 2606:4700:3037::6815:1a86
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com
SOA	`colette.ns.cloudflare.com`dns@cloudflare.com serial=2402294543

`net`

	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=1778683456

Subdomains

www.kursapp.net

Same first word

kursapp.com

kursapp.net

Similar names

sparkup.co.uk

sparkup.com.au

sparkup.pl

apkpurs.com

sparkup.kr

sparkup.fr

sparkup.hu

sparkup.co.kr

sparkup.com

upspark.com

sparkup.in

kruppas.de

sparkup.net

suppark.com

sparkup.co

sparkup.org.uk

sparkup.ru

sparkup.digital

puspark.com

skruppa.de

sparkup.org

sparkup.ph

sparkup.ca

sparkup.de

rkappus.com

sparkup.io

sparkup.be

pupskar.com

parkups.com

parksup.com

sparkup.live

DNS History

19 records (9 active, 10 former)

●NScolette.ns.cloudflare.com2026-04-10 → 2026-05-13 · 3 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-13 14:55:50

●NSnicolas.ns.cloudflare.com2026-04-10 → 2026-05-13 · 3 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-13 14:55:50

○NSns1.hyp.net2017-01-03 → 2018-07-18 · 4 obs

● 2017-01-03 09:48:42
● 2018-07-18 16:37:06
○ 2026-04-10 17:45:02
○ 2026-05-13 14:55:50

○NSns2.hyp.net2017-01-03 → 2018-07-18 · 4 obs

● 2017-01-03 09:48:42
● 2018-07-18 16:37:06
○ 2026-04-10 17:45:02
○ 2026-05-13 14:55:50

○NSns3.hyp.net2017-01-03 → 2018-07-18 · 4 obs

● 2017-01-03 09:48:42
● 2018-07-18 16:37:06
○ 2026-04-10 17:45:02
○ 2026-05-13 14:55:50

○MXmail.senitel.no2017-01-03 → 2018-07-18 · 4 obs

● 2017-01-03 09:48:42
● 2018-07-18 16:37:06
○ 2026-04-10 17:45:02
○ 2026-05-13 14:55:50

●MXroute1.mx.cloudflare.net2026-04-10 → 2026-05-13 · 3 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-13 14:55:50

●MXroute2.mx.cloudflare.net2026-04-10 → 2026-05-13 · 3 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-13 14:55:50

●MXroute3.mx.cloudflare.net2026-04-10 → 2026-05-13 · 3 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-13 14:55:50

●A104.21.26.1342026-04-10 → 2026-05-13 · 6 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-01 21:56:04
○ 2026-05-06 14:22:22
● 2026-05-13 14:55:48
● 2026-05-13 14:55:50

●A172.67.136.742026-04-10 → 2026-05-13 · 6 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-01 21:56:04
○ 2026-05-06 14:22:22
● 2026-05-13 14:55:48
● 2026-05-13 14:55:50

○A188.114.96.02026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-01 21:56:04
● 2026-05-06 14:22:22
○ 2026-05-13 14:55:48
○ 2026-05-13 14:55:50

○A188.114.97.02026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-01 21:56:04
● 2026-05-06 14:22:22
○ 2026-05-13 14:55:48
○ 2026-05-13 14:55:50

○A194.63.248.702017-01-03 → 2018-07-18 · 4 obs

● 2017-01-03 09:48:42
● 2018-07-18 16:37:06
○ 2026-04-10 17:45:02
○ 2026-05-13 14:55:50

●A2606:4700:3030::ac43:884a2026-04-10 → 2026-05-13 · 6 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-01 21:56:04
○ 2026-05-06 14:22:22
● 2026-05-13 14:55:48
● 2026-05-13 14:55:50

●A2606:4700:3037::6815:1a862026-04-10 → 2026-05-13 · 6 obs

○ 2018-07-18 16:37:06
● 2026-04-10 17:45:02
● 2026-05-01 21:56:04
○ 2026-05-06 14:22:22
● 2026-05-13 14:55:48
● 2026-05-13 14:55:50

○A2a01:5b40:0:4070::12017-01-03 → 2018-07-18 · 4 obs

● 2017-01-03 09:48:42
● 2018-07-18 16:37:06
○ 2026-04-10 17:45:02
○ 2026-05-13 14:55:50

○A2a06:98c1:3120::2026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-01 21:56:04
● 2026-05-06 14:22:22
○ 2026-05-13 14:55:48
○ 2026-05-13 14:55:50

○A2a06:98c1:3121::2026-05-06 → 2026-05-06 · 4 obs

○ 2026-05-01 21:56:04
● 2026-05-06 14:22:22
○ 2026-05-13 14:55:48
○ 2026-05-13 14:55:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	k.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
kursapp.net	colette.ns.cloudflare.com, nicolas.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.28

NS records: colette.ns.cloudflare.com, nicolas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kursapp.net (unsigned zone)

⏱️ Timing

Total: 2478ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.134, 172.67.136.74`
AAAA	2	`2606:4700:3037::6815:1a86, 2606:4700:3030::ac43:884a`
NS	2	`colette.ns.cloudflare.com, nicolas.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 19), route1.mx.cloudflare.net (pri: 49)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`colette.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

kursapp.net is the parent of www.kursapp.net.

IP Addresses

Four IP numbers are pointed to by kursapp.net: 2606:4700:3030::ac43:884a, 2606:4700:3037::6815:1a86, 104.21.26.134 and 172.67.136.74.

other host names including aalankrita.com, www.kursapp.net, ltcargo.ru, rebelionenlagranja.com and www.villabejiindahbali.com share IP numbers with kursapp.net.

Name Servers

kursapp.net is delegated to two name servers colette.ns.cloudflare.com and nicolas.ns.cloudflare.com.

kursapp.net uses the same name server setup as other domains, such as krakengate.net, bkolpobd.com and dxcc.net.

kursapp.net at least partially shares name servers with other domains, for instance animeboys.net, hwbtraesurycenter.com, 315yiqi.com, kht95.vip and us-ledger-com-stat.pages.dev.

these name servers are commonly used alongside sara.ns.cloudflare.com.

Host names with six IP numbers:

Host name colette.ns.cloudflare.com points to: 2606:4700:50::a29f:261c, 2803:f800:50::6ca2:c21c, 2a06:98c1:50::ac40:221c, 108.162.194.28, 162.159.38.28 and 172.64.34.28.

Host name nicolas.ns.cloudflare.com points to: 2606:4700:58::a29f:2c54, 2803:f800:50::6ca2:c354, 2a06:98c1:50::ac40:2354, 108.162.195.84, 162.159.44.84 and 172.64.35.84.

Mail Servers

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

kursapp.net shares some mail servers with other domains, at least partially, for instance pubbing.de, atsuage.com, test.sn, dietagespresse.com and gcm-kaelte.de.

Host names with six IP numbers:

Host name 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.

Host name 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.

Host name 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.

kursapp.net - robtex.com

kursapp.net

net

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

`kursapp.net`

`net`