startupchallenge.com - dns.ninja

`startupchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1506^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c3a0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.6^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.160^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dexter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dexter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dexter.ns.cloudflare.com`
		A	108.162.195.190^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	162.159.44.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	172.64.35.190^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
NS	`grannbo.ns.cloudflare.com`
		A	2606:4700:50::a29f:2696^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c296^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grannbo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2296^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grannbo.ns.cloudflare.com`
		A	108.162.194.150^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	162.159.38.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	172.64.34.150^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`mail1.namebrightmail.com`⁽¹⁰⁾
		A	66.35.35.26^{🇺🇸 IMDC66.35.35.0/24}
			PTR	`mail1.namebrightmail.com`
MX	`mail2.namebrightmail.com`⁽¹⁰⁾
		A	66.35.35.28^{🇺🇸 IMDC66.35.35.0/24}
			PTR	`mail2.namebrightmail.com`
TXT	`google-site-verification=wt8qIokhe9Hy1sDs4korgKvxmTD4ONJYo2OMvdcchLQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.6, 172.67.195.160
		IPv6 hints	2606:4700:3034::6815:1506, 2606:4700:3035::ac43:c3a0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2407201927

`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=1782090170

rank #845224 globally
rank #382645 in the tld

Previously MX for

startupchallenge.com

Subdomains

www.startupchallenge.com

Same first word

startupchallenge.org

startupchallenge.fr

startupchallenge.co

startupchallenge.at

startupchallenge.se

startupchallenge.pl

startupchallenge.com

Similar names

upstartchallenge.com

DNS History

26 records (11 active, 15 former)

●NSdexter.ns.cloudflare.com2026-03-20 → 2026-06-22 · 3 obs

○ 2026-03-10 23:22:04
● 2026-03-20 14:19:34
● 2026-06-22 01:24:28

●NSgrannbo.ns.cloudflare.com2026-03-20 → 2026-06-22 · 3 obs

○ 2026-03-10 23:22:04
● 2026-03-20 14:19:34
● 2026-06-22 01:24:28

○NSns1.ichallenge.com2015-06-06 → 2016-07-29 · 5 obs

○ 2008-03-20 15:15:48
● 2015-06-06 13:24:02
● 2016-07-29 09:53:32
○ 2016-12-20 17:18:52
○ 2026-06-22 01:24:28

○NSns1.namebrightdns.com2026-02-18 → 2026-03-10 · 5 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-03-10 23:22:04
○ 2026-03-20 14:19:34
○ 2026-06-22 01:24:28

○NSns2.ichallenge.com2015-06-06 → 2016-07-29 · 5 obs

○ 2008-03-20 15:15:48
● 2015-06-06 13:24:02
● 2016-07-29 09:53:32
○ 2016-12-20 17:18:52
○ 2026-06-22 01:24:28

○NSns2.namebrightdns.com2026-02-18 → 2026-03-10 · 5 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-03-10 23:22:04
○ 2026-03-20 14:19:34
○ 2026-06-22 01:24:28

○NSns2.njd.xo.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 15:15:48
○ 2015-06-06 13:24:02
○ 2026-06-22 01:24:28

○NSns3.njd.xo.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 15:15:48
○ 2015-06-06 13:24:02
○ 2026-06-22 01:24:28

○NSns5.vnoc.com2016-12-20 → 2018-01-13 · 5 obs

○ 2016-07-29 09:53:32
● 2016-12-20 17:18:52
● 2018-01-13 22:52:00
○ 2026-02-18 20:23:42
○ 2026-06-22 01:24:28

○NSns6.vnoc.com2016-12-20 → 2018-01-13 · 5 obs

○ 2016-07-29 09:53:32
● 2016-12-20 17:18:52
● 2018-01-13 22:52:00
○ 2026-02-18 20:23:42
○ 2026-06-22 01:24:28

●MXalt1.aspmx.l.google.com2026-02-18 → 2026-06-22 · 3 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-06-22 01:24:28

●MXalt2.aspmx.l.google.com2026-02-18 → 2026-06-22 · 3 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-06-22 01:24:28

●MXaspmx.l.google.com2026-02-18 → 2026-06-22 · 3 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-06-22 01:24:28

●MXmail1.namebrightmail.com2026-02-18 → 2026-06-22 · 3 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-06-22 01:24:28

●MXmail2.namebrightmail.com2026-02-18 → 2026-06-22 · 3 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-06-22 01:24:28

○MXstartupchallenge.com2015-06-06 → 2018-01-13 · 5 obs

○ 2008-03-20 15:15:48
● 2015-06-06 13:24:02
● 2018-01-13 22:52:00
○ 2026-02-18 20:23:42
○ 2026-06-22 01:24:28

●A104.21.21.62026-03-20 → 2026-06-22 · 3 obs

○ 2026-03-10 23:22:04
● 2026-03-20 14:19:34
● 2026-06-22 01:24:28

●A172.67.195.1602026-03-20 → 2026-06-22 · 3 obs

○ 2026-03-10 23:22:04
● 2026-03-20 14:19:34
● 2026-06-22 01:24:28

○A192.237.163.1552015-06-06 → 2016-07-29 · 5 obs

○ 2008-03-20 15:15:48
● 2015-06-06 13:24:02
● 2016-07-29 09:53:32
○ 2016-12-20 17:18:52
○ 2026-06-22 01:24:28

○A2600:1f18:4ae:c607:d1d9:565f:b122:bfdb2026-02-18 → 2026-03-10 · 5 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-03-10 23:22:04
○ 2026-03-20 14:19:34
○ 2026-06-22 01:24:28

○A2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a2026-02-18 → 2026-03-10 · 5 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-03-10 23:22:04
○ 2026-03-20 14:19:34
○ 2026-06-22 01:24:28

●A2606:4700:3034::6815:15062026-03-20 → 2026-06-22 · 3 obs

○ 2026-03-10 23:22:04
● 2026-03-20 14:19:34
● 2026-06-22 01:24:28

●A2606:4700:3035::ac43:c3a02026-03-20 → 2026-06-22 · 3 obs

○ 2026-03-10 23:22:04
● 2026-03-20 14:19:34
● 2026-06-22 01:24:28

○A52.44.244.982026-02-18 → 2026-03-10 · 5 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-03-10 23:22:04
○ 2026-03-20 14:19:34
○ 2026-06-22 01:24:28

○A54.165.131.1832026-02-18 → 2026-03-10 · 5 obs

○ 2018-01-13 22:52:00
● 2026-02-18 20:23:42
● 2026-03-10 23:22:04
○ 2026-03-20 14:19:34
○ 2026-06-22 01:24:28

○A69.64.90.1802016-12-20 → 2018-01-13 · 5 obs

○ 2016-07-29 09:53:32
● 2016-12-20 17:18:52
● 2018-01-13 22:52:00
○ 2026-02-18 20:23:42
○ 2026-06-22 01:24:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
startupchallenge.com	grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.150

NS records: grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for startupchallenge.com (unsigned zone)

⏱️ Timing

Total: 534ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.6, 172.67.195.160`
AAAA	2	`2606:4700:3035::ac43:c3a0, 2606:4700:3034::6815:1506`
NS	2	`dexter.ns.cloudflare.com, grannbo.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), mail1.namebrightmail.com (pri: 10)...`
TXT	1	`google-site-verification=wt8qIokhe9Hy1sD`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dexter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.startupchallenge.com falls under the parent startupchallenge.com.

IP Addresses

startupchallenge.com directs to four IP numbers, which are 104.21.21.6, 172.67.195.160, 2606:4700:3034::6815:1506 and 2606:4700:3035::ac43:c3a0.

Two other host names, along with doctorsforreform.com, bet365casino-fi.com and nyqszy.com, also share IP numbers with startupchallenge.com.

Name Servers

startupchallenge.com is delegated to two name servers: dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

startupchallenge.com shares its NS records with other domains, for example asiangroup.com, ipstudio.com, vlans.com and two others.

At least some of startupchallenge.com's name servers are shared with other domains, for example imtsorrentovalley.com, fasadvektor.ru, vb88.llc and two more.

It is common for these name servers to be used in conjunction with the name servers meg.ns.cloudflare.com, jamie.ns.cloudflare.com and chin.ns.cloudflare.com.

DNS names with 6 IP addresses:

dexter.ns.cloudflare.com resolves to 108.162.195.190, 162.159.44.190, 172.64.35.190 and 3 other IP addresses.

grannbo.ns.cloudflare.com resolves to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 other IP addresses.

Mail Servers

Five mail servers handle startupchallenge.com: mail1.namebrightmail.com, mail2.namebrightmail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between startupchallenge.com and other domains, including ns500731.ns500754.ns500754.ns500754.ns500731.ns500731.ns500705.ns500678.ns500649.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500731.ns500671.ns500731.ns500754.ns500754.ns500731.ns500742.ns500671.ns500705.ns500688.ns500705.ns500291.ns500671.ns500671.ns500666.tenderladiesbz.com, ns500699.ns500734.ns500734.ns500693.ns500693.ns500693.ns500699.ns500693.ns500588.ns500588.ns500699.ns500588.ns500693.ns500588.ns500588.ns500588.ns500632.dtrkdll.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 5 others.

Host names that have two IP addresses:

aspmx.l.google.com points to 64.233.180.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

Host names that point to one IP address:

mail1.namebrightmail.com points to 66.35.35.26.

mail2.namebrightmail.com points to 66.35.35.28.