startupchallenge.org - dns.ninja

`startupchallenge.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:dc09^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3320^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.32^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.9^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gordon.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gordon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gordon.ns.cloudflare.com`
		A	108.162.193.170^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	172.64.33.170^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	173.245.59.170^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
NS	`pola.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pola.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pola.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pola.ns.cloudflare.com`
		A	108.162.192.214^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pola.ns.cloudflare.com`
		A	172.64.32.214^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pola.ns.cloudflare.com`
		A	173.245.58.214^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pola.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.32, 172.67.220.9
		IPv6 hints	2606:4700:3032::ac43:dc09, 2606:4700:3037::6815:3320
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`gordon.ns.cloudflare.com`dns@cloudflare.com serial=2409173653

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785665174

Previously MX for

startupchallenge.org

Subdomains

www.startupchallenge.org

Same first word

startupchallenge.org

startupchallenge.fr

startupchallenge.co

startupchallenge.at

startupchallenge.se

startupchallenge.pl

startupchallenge.com

Similar names

upstartchallenge.com

DNS History

19 records (6 active, 13 former)

●NSgordon.ns.cloudflare.com2026-02-18 → 2026-08-02 · 3 obs

○ 2017-10-28 08:38:56
● 2026-02-18 22:06:22
● 2026-08-02 10:25:38

○NSns1.hostmonster.com2015-06-10 → 2016-04-16 · 4 obs

● 2015-06-10 22:07:56
● 2016-04-16 21:26:16
○ 2016-09-25 03:39:10
○ 2026-08-02 10:25:38

○NSns1.mediatemple.net2016-09-25 → 2017-10-28 · 5 obs

○ 2016-04-16 21:26:16
● 2016-09-25 03:39:10
● 2017-10-28 08:38:56
○ 2026-02-18 22:06:22
○ 2026-08-02 10:25:38

○NSns2.hostmonster.com2015-06-10 → 2016-04-16 · 4 obs

● 2015-06-10 22:07:56
● 2016-04-16 21:26:16
○ 2016-09-25 03:39:10
○ 2026-08-02 10:25:38

○NSns2.mediatemple.net2016-09-25 → 2017-10-28 · 5 obs

○ 2016-04-16 21:26:16
● 2016-09-25 03:39:10
● 2017-10-28 08:38:56
○ 2026-02-18 22:06:22
○ 2026-08-02 10:25:38

●NSpola.ns.cloudflare.com2026-02-18 → 2026-08-02 · 3 obs

○ 2017-10-28 08:38:56
● 2026-02-18 22:06:22
● 2026-08-02 10:25:38

○MXmail.startupchallenge.org2016-09-25 → 2017-10-28 · 5 obs

○ 2016-04-16 21:26:16
● 2016-09-25 03:39:10
● 2017-10-28 08:38:56
○ 2026-02-18 22:06:22
○ 2026-08-02 10:25:38

○MXstartupchallenge.org2015-06-10 → 2016-04-16 · 4 obs

● 2015-06-10 22:07:56
● 2016-04-16 21:26:16
○ 2016-09-25 03:39:10
○ 2026-08-02 10:25:38

●A104.21.51.322026-02-18 → 2026-08-02 · 9 obs

○ 2017-10-28 08:38:56
● 2026-02-18 22:06:22
● 2026-04-02 14:54:34
○ 2026-05-21 11:52:02
○ 2026-05-21 18:05:44
● 2026-05-21 18:41:22
● 2026-05-28 08:46:36
○ 2026-07-23 17:25:14
● 2026-08-02 10:25:38

●A172.67.220.92026-02-18 → 2026-08-02 · 9 obs

○A188.114.96.02026-05-21 → 2026-07-23 · 7 obs

○ 2026-04-02 14:54:34
● 2026-05-21 11:52:02
● 2026-05-21 18:05:44
○ 2026-05-21 18:41:22
○ 2026-05-28 08:46:36
● 2026-07-23 17:25:14
○ 2026-08-02 10:25:38

○A188.114.97.02026-05-21 → 2026-07-23 · 7 obs

○ 2026-04-02 14:54:34
● 2026-05-21 11:52:02
● 2026-05-21 18:05:44
○ 2026-05-21 18:41:22
○ 2026-05-28 08:46:36
● 2026-07-23 17:25:14
○ 2026-08-02 10:25:38

●A2606:4700:3032::ac43:dc092026-02-18 → 2026-08-02 · 9 obs

○A2606:4700:3033::6815:33202026-02-18 → 2026-05-28 · 9 obs

●A2606:4700:3037::6815:33202026-08-02 → 2026-08-02 · 2 obs

○ 2026-07-23 17:25:14
● 2026-08-02 10:25:38

○A2a06:98c1:3120::2026-05-21 → 2026-07-23 · 7 obs

○ 2026-04-02 14:54:34
● 2026-05-21 11:52:02
● 2026-05-21 18:05:44
○ 2026-05-21 18:41:22
○ 2026-05-28 08:46:36
● 2026-07-23 17:25:14
○ 2026-08-02 10:25:38

○A2a06:98c1:3121::2026-05-21 → 2026-07-23 · 7 obs

○ 2026-04-02 14:54:34
● 2026-05-21 11:52:02
● 2026-05-21 18:05:44
○ 2026-05-21 18:41:22
○ 2026-05-28 08:46:36
● 2026-07-23 17:25:14
○ 2026-08-02 10:25:38

○A64.207.185.1932016-09-25 → 2017-10-28 · 5 obs

○ 2016-04-16 21:26:16
● 2016-09-25 03:39:10
● 2017-10-28 08:38:56
○ 2026-02-18 22:06:22
○ 2026-08-02 10:25:38

○A74.220.201.162015-06-10 → 2016-04-16 · 4 obs

● 2015-06-10 22:07:56
● 2016-04-16 21:26:16
○ 2016-09-25 03:39:10
○ 2026-08-02 10:25:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
startupchallenge.org	pola.ns.cloudflare.com, gordon.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.170

NS records: pola.ns.cloudflare.com, gordon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for startupchallenge.org (unsigned zone)

⏱️ Timing

Total: 1397ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.32, 172.67.220.9`
AAAA	2	`2606:4700:3037::6815:3320, 2606:4700:3032::ac43:dc09`
NS	2	`gordon.ns.cloudflare.com, pola.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gordon.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

startupchallenge.org is the parent zone for www.startupchallenge.org.

IP Addresses

startupchallenge.org has four IP addresses: 104.21.51.32, 172.67.220.9, 2606:4700:3032::ac43:dc09 and 2606:4700:3037::6815:3320.

Among the host names that share IP numbers with startupchallenge.org are www.sol-staking.com, webhoster.solutions, glsdpsy.com and two others.

Name Servers

startupchallenge.org is delegated to two name servers: gordon.ns.cloudflare.com and pola.ns.cloudflare.com.

startupchallenge.org has the same name server delegation as a number of other domains, such as limaslaw.com, operaria.fi, bitsler.app and two more.

startupchallenge.org partially shares its NS delegation with several other domains, including ecsv.org, swissic.eu, ipegs.co.uk and two others.

These name servers often co-occur with the name servers aspen.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gordon.ns.cloudflare.com resolves to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 other IP addresses.

pola.ns.cloudflare.com resolves to 108.162.192.214, 172.64.32.214, 173.245.58.214 and 3 other IP addresses.