challenges.pro - dns.ninja

`challenges.pro`

DNSSEC	⚠️ Not signed
A	52.233.90.38^{🇺🇸 Microsoft52.224.0.0/11 MICROSOFT}
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`challenges-pro.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`MS=ms10315448`
TXT	`a992fc9bcb5a72a43d947fca471f48a367e01ed6`
TXT	`google-site-verification=0KrIZb1FWRsxQdqzWdv8DxFnCWa808Sy4kq6MMcD7Bs`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2411313468

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1786132644

Same first word

Similar names

sellchange.com

schallenge.com

DNS History

18 records (6 active, 12 former)

●NScuritiba.ns.porkbun.com2026-04-09 → 2026-08-07 · 3 obs

○ 2018-05-25 14:00:04
● 2026-04-09 10:16:50
● 2026-08-07 20:36:44

○NSdns109.ovh.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 04:31:30
○ 2018-05-25 14:00:04
○ 2026-08-07 20:36:44

●NSfortaleza.ns.porkbun.com2026-04-09 → 2026-08-07 · 3 obs

○ 2018-05-25 14:00:04
● 2026-04-09 10:16:50
● 2026-08-07 20:36:44

●NSmaceio.ns.porkbun.com2026-04-09 → 2026-08-07 · 3 obs

○ 2018-05-25 14:00:04
● 2026-04-09 10:16:50
● 2026-08-07 20:36:44

○NSns1.parkingcrew.net2018-05-25 → 2018-05-25 · 4 obs

○ 2016-12-10 04:31:30
● 2018-05-25 14:00:04
○ 2026-04-09 10:16:50
○ 2026-08-07 20:36:44

○NSns109.ovh.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 04:31:30
○ 2018-05-25 14:00:04
○ 2026-08-07 20:36:44

○NSns2.parkingcrew.net2018-05-25 → 2018-05-25 · 4 obs

○ 2016-12-10 04:31:30
● 2018-05-25 14:00:04
○ 2026-04-09 10:16:50
○ 2026-08-07 20:36:44

●NSsalvador.ns.porkbun.com2026-04-09 → 2026-08-07 · 3 obs

○ 2018-05-25 14:00:04
● 2026-04-09 10:16:50
● 2026-08-07 20:36:44

●MXchallenges-pro.mail.protection.outlook.com2026-04-09 → 2026-08-07 · 3 obs

○ 2018-05-25 14:00:04
● 2026-04-09 10:16:50
● 2026-08-07 20:36:44

○MXmail.h-email.net2018-05-25 → 2018-05-25 · 4 obs

○ 2016-12-10 04:31:30
● 2018-05-25 14:00:04
○ 2026-04-09 10:16:50
○ 2026-08-07 20:36:44

○MXredirect.ovh.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 04:31:30
○ 2018-05-25 14:00:04
○ 2026-08-07 20:36:44

○A185.53.178.62018-05-25 → 2018-05-25 · 4 obs

○ 2016-12-10 04:31:30
● 2018-05-25 14:00:04
○ 2026-04-09 10:16:50
○ 2026-08-07 20:36:44

○A20.65.122.1872026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-15 13:52:18
● 2026-06-27 09:29:22
○ 2026-07-01 06:17:34
○ 2026-08-07 20:36:44

○A20.65.69.372026-07-01 → 2026-07-01 · 3 obs

○ 2026-06-27 09:29:22
● 2026-07-01 06:17:34
○ 2026-08-07 20:36:44

○A213.186.33.52016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 04:31:30
○ 2018-05-25 14:00:04
○ 2026-08-07 20:36:44

○A48.211.232.1232026-04-09 → 2026-04-09 · 4 obs

○ 2018-05-25 14:00:04
● 2026-04-09 10:16:50
○ 2026-06-15 13:52:18
○ 2026-08-07 20:36:44

○A52.179.210.572026-06-15 → 2026-06-15 · 4 obs

○ 2026-04-09 10:16:50
● 2026-06-15 13:52:18
○ 2026-06-27 09:29:22
○ 2026-08-07 20:36:44

●A52.233.90.382026-08-07 → 2026-08-07 · 2 obs

○ 2026-07-01 06:17:34
● 2026-08-07 20:36:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, d0.pro.afilias-nst.org, b2.pro.afilias-nst.org, b0.pro.afilias-nst.org...	-
challenges.pro	maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challenges.pro (unsigned zone)

⏱️ Timing

Total: 356ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.233.90.38`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	1	`challenges-pro.mail.protection.outlook.c`
TXT	4	`MS=ms10315448, a992fc9bcb5a72a43d947fca471f48a367e01ed6...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

Analysis

IP Addresses

challenges.pro points to a single IP number: 52.233.90.38.

Additional host names — inceptions.xyz, eatdrinks.com, codeacademy.site and two others — share IP numbers with challenges.pro.

Name Servers

challenges.pro has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

challenges.pro shares at least some of its name servers with other domains, including winecountrychows.org, entprep.org, level-2.co.uk and two others.

The host names curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com each resolve to two IP addresses: curitiba.ns.porkbun.com resolves to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com resolves to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com resolves to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com resolves to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.

Mail Servers

challenges.pro has one mail server: challenges-pro.mail.protection.outlook.com.

challenges-pro.mail.protection.outlook.com points to 8 IP numbers: 52.101.89.0, 52.101.89.2, 52.101.99.0 and 5 other.