🛡️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}
			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	`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=129, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2413367234

`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=1790759579

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 → 2026-09-30 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-09-30 09:19:44

●NSgrannbo.ns.cloudflare.com2026-09-05 → 2026-09-30 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

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

● 2015-05-15 18:38:48
○ 2015-10-24 19:25:00
○ 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

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

● 2015-05-15 18:38:48
○ 2015-10-24 19:25:00
○ 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

●MXroute1.mx.cloudflare.net2026-09-05 → 2026-09-30 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-09-30 09:19:44

●MXroute2.mx.cloudflare.net2026-09-05 → 2026-09-30 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-09-30 09:19:44

●MXroute3.mx.cloudflare.net2026-09-05 → 2026-09-30 · 3 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
● 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

●A104.21.90.1842026-09-29 → 2026-09-30 · 3 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
● 2026-09-30 09:19:44

●A172.67.203.2102026-09-29 → 2026-09-30 · 3 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
● 2026-09-30 09:19:44

○A188.114.96.02026-09-05 → 2026-09-05 · 4 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
○ 2026-09-30 09:19:44

○A188.114.97.02026-09-05 → 2026-09-05 · 4 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
○ 2026-09-30 09:19:44

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

● 2015-05-15 18:38:48
○ 2015-10-24 19:25:00
○ 2026-09-30 09:19:44

●A2606:4700:3031::6815:5ab82026-09-29 → 2026-09-30 · 3 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
● 2026-09-30 09:19:44

●A2606:4700:3033::ac43:cbd22026-09-29 → 2026-09-30 · 3 obs

○ 2026-09-05 01:16:14
● 2026-09-29 12:01:56
● 2026-09-30 09:19:44

○A2a06:98c1:3120::2026-09-05 → 2026-09-05 · 4 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
○ 2026-09-30 09:19:44

○A2a06:98c1:3121::2026-09-05 → 2026-09-05 · 4 obs

○ 2017-04-03 11:35:04
● 2026-09-05 01:16:14
○ 2026-09-29 12:01:56
○ 2026-09-30 09:19:44

○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
○ 2026-09-30 09:19:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
problemchallenge.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 problemchallenge.com (unsigned zone)

⏱️ Timing

Total: 228ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.184, 172.67.203.210`
AAAA	2	`2606:4700:3031::6815:5ab8, 2606:4700:3033::ac43:cbd2`
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.

Two other host names, along with www.tilconcepts.com.sg, 516c.top and shopcorepro.com, also share IP numbers with problemchallenge.com.

Name Servers

DNS delegation for problemchallenge.com points to two name servers: dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

problemchallenge.com shares its NS records with other domains, for example 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.

These name servers tend to be deployed in combination with the name servers norm.ns.cloudflare.com and aleena.ns.cloudflare.com.

DNS names with 6 IP addresses:

dexter.ns.cloudflare.com has IP addresses 108.162.195.190, 162.159.44.190 and 172.64.35.190, plus 3 other.

grannbo.ns.cloudflare.com has IP addresses 108.162.194.150, 162.159.38.150 and 172.64.34.150, plus 3 other.

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.

There is at least a partial MX overlap between problemchallenge.com and other domains, including 30bet-casino.org, champeynews.com, kistvaentherapy.co.uk and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.

problemchallenge.com - robtex.com