`contest-x.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8890^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:591e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.30^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.144^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jaziel.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c337^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jaziel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2337^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jaziel.ns.cloudflare.com`
		A	108.162.195.55^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
		A	162.159.44.55^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
		A	172.64.35.55^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaziel.ns.cloudflare.com`
NS	`macy.ns.cloudflare.com`
		A	2606:4700:50::a29f:264e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`macy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`macy.ns.cloudflare.com`
		A	108.162.194.78^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	162.159.38.78^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	172.64.34.78^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.30, 172.67.136.144
		IPv6 hints	2606:4700:3033::ac43:8890, 2606:4700:3035::6815:591e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`jaziel.ns.cloudflare.com`dns@cloudflare.com serial=2410303012

`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=1785123562

⚠️ On DNS blocklist: tif

Previously MX for

contest-x.com

Subdomains

www.contest-x.com

Same first word

contest-x.com

Similar names

context-s.net

DNS History

14 records (8 active, 6 former)

●NSjaziel.ns.cloudflare.com2026-05-09 → 2026-07-27 · 3 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-07-27 03:47:10

●NSmacy.ns.cloudflare.com2026-05-09 → 2026-07-27 · 3 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-07-27 03:47:10

○NSns0.unlimited.uk.net2016-12-15 → 2017-10-05 · 4 obs

● 2016-12-15 07:08:08
● 2017-10-05 10:58:04
○ 2026-05-09 13:07:06
○ 2026-07-27 03:47:10

○NSns1.unlimited.uk.net2016-12-15 → 2017-10-05 · 4 obs

● 2016-12-15 07:08:08
● 2017-10-05 10:58:04
○ 2026-05-09 13:07:06
○ 2026-07-27 03:47:10

○MXcontest-x.com2016-12-15 → 2017-10-05 · 4 obs

● 2016-12-15 07:08:08
● 2017-10-05 10:58:04
○ 2026-05-09 13:07:06
○ 2026-07-27 03:47:10

●MXmx1.improvmx.com2026-05-09 → 2026-07-27 · 3 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-07-27 03:47:10

●MXmx2.improvmx.com2026-05-09 → 2026-07-27 · 3 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-07-27 03:47:10

●A104.21.89.302026-05-09 → 2026-07-27 · 3 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-07-27 03:47:10

○A149.255.58.1172016-12-15 → 2017-10-05 · 4 obs

● 2016-12-15 07:08:08
● 2017-10-05 10:58:04
○ 2026-05-09 13:07:06
○ 2026-07-27 03:47:10

●A172.67.136.1442026-05-09 → 2026-07-27 · 3 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-07-27 03:47:10

○A2606:4700:3030::6815:591e2026-05-09 → 2026-06-13 · 5 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-06-13 23:25:50
○ 2026-06-30 07:11:04
○ 2026-07-27 03:47:10

○A2606:4700:3032::ac43:88902026-05-09 → 2026-06-13 · 5 obs

○ 2017-10-05 10:58:04
● 2026-05-09 13:07:06
● 2026-06-13 23:25:50
○ 2026-06-30 07:11:04
○ 2026-07-27 03:47:10

●A2606:4700:3033::ac43:88902026-06-30 → 2026-07-27 · 3 obs

○ 2026-06-13 23:25:50
● 2026-06-30 07:11:04
● 2026-07-27 03:47:10

●A2606:4700:3035::6815:591e2026-06-30 → 2026-07-27 · 3 obs

○ 2026-06-13 23:25:50
● 2026-06-30 07:11:04
● 2026-07-27 03:47:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contest-x.com	macy.ns.cloudflare.com, jaziel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.55

NS records: macy.ns.cloudflare.com, jaziel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contest-x.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.89.30, 172.67.136.144`
AAAA	2	`2606:4700:3033::ac43:8890, 2606:4700:3035::6815:591e`
NS	2	`jaziel.ns.cloudflare.com, macy.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	1	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jaziel.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

contest-x.com is the parent zone for www.contest-x.com.

IP Addresses

contest-x.com has four IP addresses: 104.21.89.30, 172.67.136.144, 2606:4700:3033::ac43:8890 and 2606:4700:3035::6815:591e.

Among the host names that share IP numbers with contest-x.com are hctrasrz.help, mail.mcscorp.org, cardesigncn.com and two others.

Name Servers

contest-x.com uses two name servers for its delegation: jaziel.ns.cloudflare.com and macy.ns.cloudflare.com.

contest-x.com has the same name server delegation as a number of other domains, such as avaxcollect.com, kalonstudios.de, actions-x.com and two more.

contest-x.com partially shares its NS delegation with several other domains, including 6412831855fb3076.com, switchboard.xyz, 15worksheets.com and two others.

These name servers are regularly seen alongside raegan.ns.cloudflare.com and sage.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

Hostname jaziel.ns.cloudflare.com directs to 108.162.195.55, 162.159.44.55 and 172.64.35.55 along with 3 other IP addresses.

Hostname macy.ns.cloudflare.com directs to 108.162.194.78, 162.159.38.78 and 172.64.34.78 along with 3 other IP addresses.

Mail Servers

The MX records for contest-x.com point to two mail servers: mx1.improvmx.com and mx2.improvmx.com.

contest-x.com has the same mail server arrangement as a number of other domains, for example boxloadpallet.com, 1tinyurl.com, vegan.today and two more.

contest-x.com shares at least some of its mail servers with other domains — for example containerservicesinc.com, mobilegaming.com, lewismorgan.com and two more.

Host names resolving to 6 IP numbers:

Hostname mx1.improvmx.com directs to 13.37.195.136, 15.236.236.160 and 35.181.18.45 along with 3 other IP addresses.

Hostname mx2.improvmx.com directs to 13.36.107.63, 13.36.222.39 and 15.236.61.92 along with 3 other IP addresses.

contest-x.com - robtex.com

contest-x.com

com

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`contest-x.com`

`com`