`contestchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:bb55^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:38aa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.170^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.85^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harlan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlan.ns.cloudflare.com`
		A	108.162.195.250^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	162.159.44.250^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	172.64.35.250^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
NS	`nena.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nena.ns.cloudflare.com`
		A	108.162.194.161^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	162.159.38.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	172.64.34.161^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.56.170, 172.67.187.85
		IPv6	2606:4700:3035::ac43:bb55, 2606:4700:3037::6815:38aa
SOA	`harlan.ns.cloudflare.com`dns@cloudflare.com serial=2399306016

`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=1771291435

Previously MX for

contestchallenge.com

Same first word

contestchallenge.com

DNS History

24 records (6 active, 18 former)

○NSa.share-dns.com2026-03-15 → 2026-03-15 · 4 obs

○ 2017-12-17 09:55:50
● 2026-03-15 04:44:38
○ 2026-03-19 12:52:14
○ 2026-03-22 23:49:16

○NSa11.share-dns.com2026-03-15 → 2026-03-15 · 4 obs

○ 2017-12-17 09:55:50
● 2026-03-15 04:44:38
○ 2026-03-19 12:52:14
○ 2026-03-22 23:49:16

○NSb.share-dns.net2026-03-15 → 2026-03-15 · 4 obs

○ 2017-12-17 09:55:50
● 2026-03-15 04:44:38
○ 2026-03-19 12:52:14
○ 2026-03-22 23:49:16

○NSb11.share-dns.net2026-03-15 → 2026-03-15 · 4 obs

○ 2017-12-17 09:55:50
● 2026-03-15 04:44:38
○ 2026-03-19 12:52:14
○ 2026-03-22 23:49:16

●NSharlan.ns.cloudflare.com2026-03-19 → 2026-03-22 · 3 obs

○ 2026-03-15 04:44:38
● 2026-03-19 12:52:14
● 2026-03-22 23:49:16

●NSnena.ns.cloudflare.com2026-03-19 → 2026-03-22 · 3 obs

○ 2026-03-15 04:44:38
● 2026-03-19 12:52:14
● 2026-03-22 23:49:16

○NSns1.ifund.com2015-11-04 → 2016-04-13 · 5 obs

○ 2015-06-13 14:32:30
● 2015-11-04 01:04:30
● 2016-04-13 22:30:22
○ 2016-11-29 02:10:52
○ 2026-03-22 23:49:16

○NSns1.srv1-whm.ifund.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 14:32:30
○ 2015-11-04 01:04:30
○ 2026-03-22 23:49:16

○NSns2.ifund.com2015-11-04 → 2016-04-13 · 5 obs

○ 2015-06-13 14:32:30
● 2015-11-04 01:04:30
● 2016-04-13 22:30:22
○ 2016-11-29 02:10:52
○ 2026-03-22 23:49:16

○NSns2.srv1-whm.ifund.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 14:32:30
○ 2015-11-04 01:04:30
○ 2026-03-22 23:49:16

○NSns3.ifund.com2017-12-17 → 2017-12-17 · 4 obs

○ 2016-11-29 02:10:52
● 2017-12-17 09:55:50
○ 2026-03-15 04:44:38
○ 2026-03-22 23:49:16

○NSns3.vnoc.com2016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-13 22:30:22
● 2016-11-29 02:10:52
○ 2017-12-17 09:55:50
○ 2026-03-22 23:49:16

○NSns4.ifund.com2017-12-17 → 2017-12-17 · 4 obs

○ 2016-11-29 02:10:52
● 2017-12-17 09:55:50
○ 2026-03-15 04:44:38
○ 2026-03-22 23:49:16

○NSns4.vnoc.com2016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-13 22:30:22
● 2016-11-29 02:10:52
○ 2017-12-17 09:55:50
○ 2026-03-22 23:49:16

○MXcontestchallenge.com2015-06-13 → 2017-12-17 · 4 obs

● 2015-06-13 14:32:30
● 2017-12-17 09:55:50
○ 2026-03-15 04:44:38
○ 2026-03-22 23:49:16

○A104.130.192.1372015-11-04 → 2016-04-13 · 5 obs

○ 2015-06-13 14:32:30
● 2015-11-04 01:04:30
● 2016-04-13 22:30:22
○ 2016-11-29 02:10:52
○ 2026-03-22 23:49:16

●A104.21.56.1702026-03-19 → 2026-03-22 · 3 obs

○ 2026-03-15 04:44:38
● 2026-03-19 12:52:14
● 2026-03-22 23:49:16

●A172.67.187.852026-03-19 → 2026-03-22 · 3 obs

○ 2026-03-15 04:44:38
● 2026-03-19 12:52:14
● 2026-03-22 23:49:16

○A23.253.37.822015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 14:32:30
○ 2015-11-04 01:04:30
○ 2026-03-22 23:49:16

●A2606:4700:3035::ac43:bb552026-03-19 → 2026-03-22 · 3 obs

○ 2026-03-15 04:44:38
● 2026-03-19 12:52:14
● 2026-03-22 23:49:16

●A2606:4700:3037::6815:38aa2026-03-19 → 2026-03-22 · 3 obs

○ 2026-03-15 04:44:38
● 2026-03-19 12:52:14
● 2026-03-22 23:49:16

○A38.174.139.2052026-03-15 → 2026-03-15 · 4 obs

○ 2017-12-17 09:55:50
● 2026-03-15 04:44:38
○ 2026-03-19 12:52:14
○ 2026-03-22 23:49:16

○A54.71.255.2102017-12-17 → 2017-12-17 · 4 obs

○ 2016-11-29 02:10:52
● 2017-12-17 09:55:50
○ 2026-03-15 04:44:38
○ 2026-03-22 23:49:16

○A69.64.80.682016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-13 22:30:22
● 2016-11-29 02:10:52
○ 2017-12-17 09:55:50
○ 2026-03-22 23:49:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
contestchallenge.com	nena.ns.cloudflare.com, harlan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.161

NS records: nena.ns.cloudflare.com, harlan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contestchallenge.com (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.170, 172.67.187.85`
AAAA	2	`2606:4700:3035::ac43:bb55, 2606:4700:3037::6815:38aa`
NS	2	`harlan.ns.cloudflare.com, nena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harlan.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contestchallenge.com maps to four IP numbers: 2606:4700:3035::ac43:bb55, 2606:4700:3037::6815:38aa, 104.21.56.170 and 172.67.187.85.

Other host names, for instance dragoncs.com, mslmagazine.co.uk, www.198ce.com, armeniancatholic.org and topnailsgreenwood.com share IP numbers with contestchallenge.com.

Name Servers

Two name servers harlan.ns.cloudflare.com and nena.ns.cloudflare.com are delegated to contestchallenge.com.

contestchallenge.com uses the same name server configuration as other domains, such as anypost.net, onhope.net, labelbychloe.com, allasiacreations.com and fagsot.com.

contestchallenge.com at least partially shares name servers with other domains such as pafibantenprov.org, deepwaterblue.co.uk, benyuans.cc, oushacn.net and oreilly-depalma.com.

these name servers are commonly used with venkat.ns.cloudflare.com, dawn.ns.cloudflare.com, jule.ns.cloudflare.com, bill.ns.cloudflare.com, emerson.ns.cloudflare.com and aldo.ns.cloudflare.com.

Host names with six IP numbers: Host name harlan.ns.cloudflare.com points to 2606:4700:58::a29f:2cfa, 2803:f800:50::6ca2:c3fa, 2a06:98c1:50::ac40:23fa, 108.162.195.250, 162.159.44.250 and 172.64.35.250; host name nena.ns.cloudflare.com points to 2606:4700:50::a29f:26a1, 2803:f800:50::6ca2:c2a1, 2a06:98c1:50::ac40:22a1, 108.162.194.161, 162.159.38.161 and 172.64.34.161.

contestchallenge.com - robtex.com