`21day-challenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:80^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:96f7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.128^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.247^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`beth.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c067^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`beth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2067^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`beth.ns.cloudflare.com`
		A	108.162.192.103^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	172.64.32.103^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	173.245.58.103^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
NS	`chad.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c152^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2152^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chad.ns.cloudflare.com`
		A	108.162.193.82^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	172.64.33.82^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	173.245.59.82^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
MX	`mail.21day-challenge.com` ⭐
		A	2606:4700:3031::6815:80^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2606:4700:3035::ac43:96f7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	104.21.0.128^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.67.150.247^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.0.128, 172.67.150.247
		IPv6	2606:4700:3031::6815:80, 2606:4700:3035::ac43:96f7
SOA	`beth.ns.cloudflare.com`dns@cloudflare.com serial=2397198208

`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

Subdomains

mail.21day-challenge.com

Same first word

21day-challenge.com

DNS History

11 records (7 active, 4 former)

●NSbeth.ns.cloudflare.com2026-03-14 → 2026-03-14 · 3 obs

○ 2018-06-18 05:26:54
● 2026-03-14 06:34:04
● 2026-03-14 06:34:06

●NSchad.ns.cloudflare.com2026-03-14 → 2026-03-14 · 3 obs

○ 2018-06-18 05:26:54
● 2026-03-14 06:34:04
● 2026-03-14 06:34:06

○NSns1.ssi.at2015-07-13 → 2018-06-18 · 4 obs

● 2015-07-13 02:25:34
● 2018-06-18 05:26:54
○ 2026-03-14 06:34:04
○ 2026-03-14 06:34:06

○NSns2.ssi.at2015-07-13 → 2018-06-18 · 4 obs

● 2015-07-13 02:25:34
● 2018-06-18 05:26:54
○ 2026-03-14 06:34:04
○ 2026-03-14 06:34:06

●MXmail.21day-challenge.com2015-07-13 → 2026-03-14 · 2 obs

● 2015-07-13 02:25:34
● 2026-03-14 06:34:06

●A104.21.0.1282026-03-14 → 2026-03-14 · 3 obs

○ 2018-06-18 05:26:54
● 2026-03-14 06:34:04
● 2026-03-14 06:34:06

●A172.67.150.2472026-03-14 → 2026-03-14 · 3 obs

○ 2018-06-18 05:26:54
● 2026-03-14 06:34:04
● 2026-03-14 06:34:06

●A2606:4700:3031::6815:802026-03-14 → 2026-03-14 · 3 obs

○ 2018-06-18 05:26:54
● 2026-03-14 06:34:04
● 2026-03-14 06:34:06

●A2606:4700:3035::ac43:96f72026-03-14 → 2026-03-14 · 3 obs

○ 2018-06-18 05:26:54
● 2026-03-14 06:34:04
● 2026-03-14 06:34:06

○A85.214.103.902018-06-18 → 2018-06-18 · 4 obs

○ 2017-01-13 00:35:10
● 2018-06-18 05:26:54
○ 2026-03-14 06:34:04
○ 2026-03-14 06:34:06

○A85.214.39.542015-07-13 → 2017-01-13 · 4 obs

● 2015-07-13 02:25:34
● 2017-01-13 00:35:10
○ 2018-06-18 05:26:54
○ 2026-03-14 06:34:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21day-challenge.com	beth.ns.cloudflare.com, chad.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.103

NS records: beth.ns.cloudflare.com, chad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21day-challenge.com (unsigned zone)

⏱️ Timing

Total: 100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.128, 172.67.150.247`
AAAA	2	`2606:4700:3035::ac43:96f7, 2606:4700:3031::6815:80`
NS	2	`beth.ns.cloudflare.com, chad.ns.cloudflare.com`
MX	1	`mail.21day-challenge.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`beth.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

21day-challenge.com is the parent of mail.21day-challenge.com.

IP Addresses

Four IP numbers are pointed to by 21day-challenge.com: 2606:4700:3031::6815:80, 2606:4700:3035::ac43:96f7, 104.21.0.128 and 172.67.150.247.

other host names including inside-highered.com, fdwxgj.com, levelupcasino-au.com, lnfoficial.com.br and panchocavero.com share IP numbers with 21day-challenge.com.

Name Servers

21day-challenge.com is delegated to two name servers beth.ns.cloudflare.com and chad.ns.cloudflare.com.

21day-challenge.com shares the same name server setup as other domains, for instance createcosmeticformulas.com, 10squaredracing.com, rockproducts.com, juniorcrushers.com.au and oegt.at.

21day-challenge.com at least partially shares name servers with other domains, for instance etheridgefam.com, bb27622.com, certikit.com, moosenose.com and dekloe.net.

These name servers are commonly used alongside lina.ns.cloudflare.com and cecelia.ns.cloudflare.com.

Host names with six IP numbers:

Host name beth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a67, 2803:f800:50::6ca2:c067, 2a06:98c1:50::ac40:2067, 108.162.192.103, 172.64.32.103 and 173.245.58.103.

Host name chad.ns.cloudflare.com points to: 2606:4700:58::adf5:3b52, 2803:f800:50::6ca2:c152, 2a06:98c1:50::ac40:2152, 108.162.193.82, 172.64.33.82 and 173.245.59.82.

Mail Servers

21day-challenge.com is handled by a single mail server, mail.21day-challenge.com.

The host name mail.21day-challenge.com resolves to four IP numbers: 2606:4700:3031::6815:80, 2606:4700:3035::ac43:96f7, 104.21.0.128 and 172.67.150.247.

21day-challenge.com - robtex.com