`studentchallenge.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`aspen.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aspen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aspen.ns.cloudflare.com`
		A	108.162.194.109^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	162.159.38.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	172.64.34.109^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
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`
SOA	`aspen.ns.cloudflare.com`dns@cloudflare.com serial=2399413762

`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=1774533302

Same first word

studentchallenge.com

DNS History

14 records (3 active, 11 former)

●NSaspen.ns.cloudflare.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-03-21 06:40:26
● 2026-03-26 13:58:22
● 2026-03-26 13:58:24

●NSgordon.ns.cloudflare.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-03-21 06:40:26
● 2026-03-26 13:58:22
● 2026-03-26 13:58:24

○NSns1.ichallenge.com2015-08-10 → 2016-07-14 · 5 obs

○ 2007-10-24 10:10:38
● 2015-08-10 04:13:46
● 2016-07-14 01:34:40
○ 2017-03-21 06:40:26
○ 2026-03-26 13:58:24

○NSns1.smartname.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 10:10:38
○ 2015-08-10 04:13:46
○ 2026-03-26 13:58:24

○NSns2.ichallenge.com2015-08-10 → 2016-07-14 · 5 obs

○ 2007-10-24 10:10:38
● 2015-08-10 04:13:46
● 2016-07-14 01:34:40
○ 2017-03-21 06:40:26
○ 2026-03-26 13:58:24

○NSns2.smartname.com2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 10:10:38
○ 2015-08-10 04:13:46
○ 2026-03-26 13:58:24

○NSns5.vnoc.com2017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-14 01:34:40
● 2017-03-21 06:40:26
○ 2026-03-26 13:58:22
○ 2026-03-26 13:58:24

○NSns6.vnoc.com2017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-14 01:34:40
● 2017-03-21 06:40:26
○ 2026-03-26 13:58:22
○ 2026-03-26 13:58:24

○MXdev.null2007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 10:10:38
○ 2015-08-10 04:13:46
○ 2026-03-26 13:58:24

○MXstudentchallenge.com2015-08-10 → 2017-03-21 · 5 obs

○ 2007-10-24 10:10:38
● 2015-08-10 04:13:46
● 2017-03-21 06:40:26
○ 2026-03-26 13:58:22
○ 2026-03-26 13:58:24

○A192.237.163.1552015-08-10 → 2016-07-14 · 5 obs

○ 2007-10-24 10:10:38
● 2015-08-10 04:13:46
● 2016-07-14 01:34:40
○ 2017-03-21 06:40:26
○ 2026-03-26 13:58:24

○A208.254.26.1322007-10-24 → 2007-10-24 · 3 obs

● 2007-10-24 10:10:38
○ 2015-08-10 04:13:46
○ 2026-03-26 13:58:24

○A69.64.90.1802017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-14 01:34:40
● 2017-03-21 06:40:26
○ 2026-03-26 13:58:22
○ 2026-03-26 13:58:24

●A76.76.21.212026-03-26 → 2026-03-26 · 3 obs

○ 2017-03-21 06:40:26
● 2026-03-26 13:58:22
● 2026-03-26 13:58:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
studentchallenge.com	gordon.ns.cloudflare.com, aspen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.170

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentchallenge.com (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`aspen.ns.cloudflare.com, gordon.ns.cloudflare.com`
SOA	1	`aspen.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studentchallenge.com points to an IP address: 76.76.21.21.

other host names include designgurus.io, vanessaepaulo.com.br, parivox.com, shipper.space and weisushi.com; they share IP numbers with studentchallenge.com.

Name Servers

Two name servers aspen.ns.cloudflare.com and gordon.ns.cloudflare.com handle the delegation for studentchallenge.com.

studentchallenge.com shares the same name server setup as other domains, for instance betkubplus.com, myplatform.com, numberpoint.com, buildexpo.com and gsmtech.com.

studentchallenge.com at least partially shares name servers with other domains, for instance myonlineslotsmoney.com, finder.vc, northlinkferries.co.uk, rocket.nl and haogonghaoliao.com.

These name servers are commonly used alongside nash.ns.cloudflare.com, rodrigo.ns.cloudflare.com and kianchau.ns.cloudflare.com.

Six IP addresses per host:

aspen.ns.cloudflare.com points to 2606:4700:50::a29f:266d, 2803:f800:50::6ca2:c26d, 2a06:98c1:50::ac40:226d, 108.162.194.109, 162.159.38.109 and 172.64.34.109; gordon.ns.cloudflare.com points to 2606:4700:58::adf5:3baa, 2803:f800:50::6ca2:c1aa, 2a06:98c1:50::ac40:21aa, 108.162.193.170, 172.64.33.170 and 173.245.59.170

studentchallenge.com - robtex.com