problemchallenge.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`problemchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5ab8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:cbd2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.184^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.210^{🇺🇸 Cloudflare172.67.192.0/20 , 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}
		A	162.159.38.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.150^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`route2.mx.cloudflare.net` ⭐
		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`⁽³⁷⁾
		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`
MX	`route3.mx.cloudflare.net`⁽⁷⁸⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.184, 172.67.203.210
		IPv6 hints	2606:4700:3031::6815:5ab8, 2606:4700:3033::ac43:cbd2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2416918970

`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=1791483754

Previously MX for

problemchallenge.com

Same first word

problemchallenge.com

Previous names

Next names

DNS History

23 records (9 active, 14 former)

●NSdexter.ns.cloudflare.com2026-09-05 → 2026-10-08 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-10-08 18:41:10

●NSgrannbo.ns.cloudflare.com2026-09-05 → 2026-10-08 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-10-08 18:41:10

○NSns1.ifund.com2015-10-24 → 2016-09-12 · 5 obs

○ 2015-05-15 18:38:48
● 2015-10-24 19:25:00
● 2016-09-12 01:28:16
○ 2017-04-03 11:35:04
○ 2026-10-08 18:41:10

○NSns1.srv1-whm.ifund.com2015-05-15 → 2015-05-15 · 3 obs

● 2015-05-15 18:38:48
○ 2015-10-24 19:25:00
○ 2026-10-08 18:41:10

○NSns2.ifund.com2015-10-24 → 2016-09-12 · 5 obs

○ 2015-05-15 18:38:48
● 2015-10-24 19:25:00
● 2016-09-12 01:28:16
○ 2017-04-03 11:35:04
○ 2026-10-08 18:41:10

○NSns2.srv1-whm.ifund.com2015-05-15 → 2015-05-15 · 3 obs

● 2015-05-15 18:38:48
○ 2015-10-24 19:25:00
○ 2026-10-08 18:41:10

○NSns3.vnoc.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-12 01:28:16
● 2017-04-03 11:35:04
○ 2026-09-05 01:16:14
○ 2026-10-08 18:41:10

○NSns4.vnoc.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-12 01:28:16
● 2017-04-03 11:35:04
○ 2026-09-05 01:16:14
○ 2026-10-08 18:41:10

○MXproblemchallenge.com2015-05-15 → 2017-04-03 · 4 obs

● 2015-05-15 18:38:48
● 2017-04-03 11:35:04
○ 2026-09-05 01:16:14
○ 2026-10-08 18:41:10

●MXroute1.mx.cloudflare.net2026-09-05 → 2026-10-08 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-10-08 18:41:10

●MXroute2.mx.cloudflare.net2026-09-05 → 2026-10-08 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-10-08 18:41:10

●MXroute3.mx.cloudflare.net2026-09-05 → 2026-10-08 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-10-08 18:41:10

○A104.130.192.1372015-10-24 → 2016-09-12 · 5 obs

○ 2015-05-15 18:38:48
● 2015-10-24 19:25:00
● 2016-09-12 01:28:16
○ 2017-04-03 11:35:04
○ 2026-10-08 18:41:10

●A104.21.90.1842026-09-29 → 2026-10-08 · 5 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
○ 2026-10-06 05:14:22
● 2026-10-06 11:26:16
● 2026-10-08 18:41:10

●A172.67.203.2102026-09-29 → 2026-10-08 · 5 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
○ 2026-10-06 05:14:22
● 2026-10-06 11:26:16
● 2026-10-08 18:41:10

○A188.114.96.02026-09-05 → 2026-10-06 · 6 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
● 2026-10-06 05:14:22
○ 2026-10-06 11:26:16
○ 2026-10-08 18:41:10

○A188.114.97.02026-09-05 → 2026-10-06 · 6 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
● 2026-10-06 05:14:22
○ 2026-10-06 11:26:16
○ 2026-10-08 18:41:10

○A23.253.37.822015-05-15 → 2015-05-15 · 3 obs

● 2015-05-15 18:38:48
○ 2015-10-24 19:25:00
○ 2026-10-08 18:41:10

●A2606:4700:3031::6815:5ab82026-09-29 → 2026-10-08 · 5 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
○ 2026-10-06 05:14:22
● 2026-10-06 11:26:16
● 2026-10-08 18:41:10

●A2606:4700:3033::ac43:cbd22026-09-29 → 2026-10-08 · 5 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
○ 2026-10-06 05:14:22
● 2026-10-06 11:26:16
● 2026-10-08 18:41:10

○A2a06:98c1:3120::2026-09-05 → 2026-10-06 · 6 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
● 2026-10-06 05:14:22
○ 2026-10-06 11:26:16
○ 2026-10-08 18:41:10

○A2a06:98c1:3121::2026-09-05 → 2026-10-06 · 6 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
● 2026-10-06 05:14:22
○ 2026-10-06 11:26:16
○ 2026-10-08 18:41:10

○A69.64.80.682017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-12 01:28:16
● 2017-04-03 11:35:04
○ 2026-09-05 01:16:14
○ 2026-10-08 18:41:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
problemchallenge.com	grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:162.159.44.190

NS records: grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for problemchallenge.com (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.184, 172.67.203.210`
AAAA	2	`2606:4700:3033::ac43:cbd2, 2606:4700:3031::6815:5ab8`
NS	2	`dexter.ns.cloudflare.com, grannbo.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 23), route1.mx.cloudflare.net (pri: 37)...`
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

problemchallenge.com directs to four IP numbers, which are 104.21.90.184, 172.67.203.210, 2606:4700:3031::6815:5ab8 and 2606:4700:3033::ac43:cbd2.

www.tilconcepts.com.sg, shopcorepro.com, sluicesync.dev plus two other host names have IP numbers in common with problemchallenge.com.

Name Servers

The NS records for problemchallenge.com delegate to dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

The name server configuration of problemchallenge.com is shared with other domains, for instance excuses.com, zhong-atkins.com, reitspecialist.com and two others.

At least some of problemchallenge.com's name servers are shared with other domains, for example emailgalaxy.workers.dev, mod-mob.pages.dev, londonpac.rest and two more.

It is common for these name servers to be used in conjunction with the name servers norm.ns.cloudflare.com, aleena.ns.cloudflare.com and ernest.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dexter.ns.cloudflare.com maps to 108.162.195.190, 162.159.44.190, 172.64.35.190 and 3 additional IP addresses.

grannbo.ns.cloudflare.com maps to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 additional IP addresses.

Mail Servers

The MX records for problemchallenge.com list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by problemchallenge.com are shared with other domains: 30bet-casino.org, champeynews.com, kistvaentherapy.co.uk and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.