securitychallenge.com - dns.ninja

`securitychallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:9e7d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2a45^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.69^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.125^{🇺🇸 Cloudflare172.67.144.0/20 , 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	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁷⁴⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.42.69, 172.67.158.125
		IPv6 hints	2606:4700:3032::ac43:9e7d, 2606:4700:3037::6815:2a45
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2408574657

`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=1786108454

Previously MX for

securitychallenge.com

Same first word

securitychallenge.com

DNS History

17 records (9 active, 8 former)

●NSdexter.ns.cloudflare.com2026-02-19 → 2026-08-07 · 3 obs

○ 2017-04-06 17:59:30
● 2026-02-19 06:41:02
● 2026-08-07 13:17:36

●NSgrannbo.ns.cloudflare.com2026-02-19 → 2026-08-07 · 3 obs

○ 2017-04-06 17:59:30
● 2026-02-19 06:41:02
● 2026-08-07 13:17:36

○NSns3.vnic.com2015-07-25 → 2016-07-25 · 4 obs

● 2015-07-25 04:31:40
● 2016-07-25 03:55:10
○ 2017-04-06 17:59:30
○ 2026-08-07 13:17:36

○NSns4.vnic.com2015-07-25 → 2016-07-25 · 4 obs

● 2015-07-25 04:31:40
● 2016-07-25 03:55:10
○ 2017-04-06 17:59:30
○ 2026-08-07 13:17:36

○NSns5.vnic.com2017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-25 03:55:10
● 2017-04-06 17:59:30
○ 2026-02-19 06:41:02
○ 2026-08-07 13:17:36

○NSns6.vnic.com2017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-25 03:55:10
● 2017-04-06 17:59:30
○ 2026-02-19 06:41:02
○ 2026-08-07 13:17:36

●MXroute1.mx.cloudflare.net2026-07-15 → 2026-08-07 · 3 obs

○ 2026-02-19 06:41:02
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

●MXroute2.mx.cloudflare.net2026-07-15 → 2026-08-07 · 3 obs

○ 2026-02-19 06:41:02
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

●MXroute3.mx.cloudflare.net2026-07-15 → 2026-08-07 · 3 obs

○ 2026-02-19 06:41:02
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

○MXsecuritychallenge.com2015-07-25 → 2017-04-06 · 4 obs

● 2015-07-25 04:31:40
● 2017-04-06 17:59:30
○ 2026-02-19 06:41:02
○ 2026-08-07 13:17:36

●A104.21.42.692026-07-15 → 2026-08-07 · 3 obs

○ 2026-03-25 20:16:00
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

○A162.209.12.1732015-07-25 → 2016-07-25 · 4 obs

● 2015-07-25 04:31:40
● 2016-07-25 03:55:10
○ 2017-04-06 17:59:30
○ 2026-08-07 13:17:36

●A172.67.158.1252026-07-15 → 2026-08-07 · 3 obs

○ 2026-03-25 20:16:00
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

●A2606:4700:3032::ac43:9e7d2026-07-15 → 2026-08-07 · 3 obs

○ 2026-03-25 20:16:00
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

●A2606:4700:3037::6815:2a452026-07-15 → 2026-08-07 · 3 obs

○ 2026-03-25 20:16:00
● 2026-07-15 13:29:48
● 2026-08-07 13:17:36

○A69.64.90.842017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-25 03:55:10
● 2017-04-06 17:59:30
○ 2026-02-19 06:41:02
○ 2026-08-07 13:17:36

○A76.76.21.212026-02-19 → 2026-03-25 · 5 obs

○ 2017-04-06 17:59:30
● 2026-02-19 06:41:02
● 2026-03-25 20:16:00
○ 2026-07-15 13:29:48
○ 2026-08-07 13:17:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
securitychallenge.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 securitychallenge.com (unsigned zone)

⏱️ Timing

Total: 258ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.158.125, 104.21.42.69`
AAAA	2	`2606:4700:3037::6815:2a45, 2606:4700:3032::ac43:9e7d`
NS	2	`dexter.ns.cloudflare.com, grannbo.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 27), route2.mx.cloudflare.net (pri: 54)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
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

IP Addresses

securitychallenge.com directs to four IP numbers, which are 104.21.42.69, 172.67.158.125, 2606:4700:3032::ac43:9e7d and 2606:4700:3037::6815:2a45.

Among the host names that share IP numbers with securitychallenge.com are southernlandscapegroupllc.com, unite-tech.com.cn, prsuporte.com and two others.

Name Servers

Two name servers handle the delegation for securitychallenge.com: dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

securitychallenge.com has the same name server delegation as a number of other domains, such as satcenter.com, mentalcorp.com, contentpreneurs.com and two more.

There is at least partial name server overlap between securitychallenge.com and other domains — webbookdiary.com, agenteiavps.com.br, abandodive.com and two more among them.

Host names resolving to 6 IP numbers:

dexter.ns.cloudflare.com resolves to 108.162.195.190, 162.159.44.190 and 172.64.35.190 among others, with 3 other IP addresses in total.

grannbo.ns.cloudflare.com resolves to 108.162.194.150, 162.159.38.150 and 172.64.34.150 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for securitychallenge.com is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

securitychallenge.com shares at least some of its mail servers with other domains — for example spinch-casino.com, curiousgroveyxv.shop, anzeigenmanager.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.