🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`algorithmchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4ee4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:89e2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.228^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.226^{🇺🇸 Cloudflare172.67.128.0/20 , 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	`route1.mx.cloudflare.net` ⭐
		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	`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	`route3.mx.cloudflare.net`⁽⁷⁹⁾
		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	`google-site-verification=4jsWHGO6cCrsPE4g6UabK5Zs2cGv9jremw-nE6XkVPg`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.228, 172.67.137.226
		IPv6 hints	2606:4700:3033::6815:4ee4, 2606:4700:3035::ac43:89e2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2413858486

`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=1789356038

Previously MX for

algorithmchallenge.com

Same first word

algorithmchallenge.com

algorithmchallenge.org

Previous names

Next names

DNS History

16 records (9 active, 7 former)

●NSdexter.ns.cloudflare.com2026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●NSgrannbo.ns.cloudflare.com2026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

○NSns3.ifund.com2018-01-25 → 2018-01-25 · 4 obs

○ 2017-01-05 03:05:20
● 2018-01-25 08:07:10
○ 2026-09-08 15:40:56
○ 2026-09-14 03:41:30

○NSns3.vnoc.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:05:20
○ 2018-01-25 08:07:10
○ 2026-09-14 03:41:30

○NSns4.ifund.com2018-01-25 → 2018-01-25 · 4 obs

○ 2017-01-05 03:05:20
● 2018-01-25 08:07:10
○ 2026-09-08 15:40:56
○ 2026-09-14 03:41:30

○NSns4.vnoc.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:05:20
○ 2018-01-25 08:07:10
○ 2026-09-14 03:41:30

○MXalgorithmchallenge.com2017-01-05 → 2018-01-25 · 4 obs

● 2017-01-05 03:05:20
● 2018-01-25 08:07:10
○ 2026-09-08 15:40:56
○ 2026-09-14 03:41:30

●MXroute1.mx.cloudflare.net2026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●MXroute2.mx.cloudflare.net2026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●MXroute3.mx.cloudflare.net2026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●A104.21.78.2282026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●A172.67.137.2262026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●A2606:4700:3033::6815:4ee42026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

●A2606:4700:3035::ac43:89e22026-09-08 → 2026-09-14 · 3 obs

○ 2018-01-25 08:07:10
● 2026-09-08 15:40:56
● 2026-09-14 03:41:30

○A54.71.255.2102018-01-25 → 2018-01-25 · 4 obs

○ 2017-01-05 03:05:20
● 2018-01-25 08:07:10
○ 2026-09-08 15:40:56
○ 2026-09-14 03:41:30

○A69.64.80.682017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:05:20
○ 2018-01-25 08:07:10
○ 2026-09-14 03:41:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
algorithmchallenge.com	grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.190

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmchallenge.com (unsigned zone)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.228, 172.67.137.226`
AAAA	2	`2606:4700:3033::6815:4ee4, 2606:4700:3035::ac43:89e2`
NS	2	`dexter.ns.cloudflare.com, grannbo.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 54)...`
TXT	2	`google-site-verification=4jsWHGO6cCrsPE4, 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

algorithmchallenge.com resolves to four IP addresses: 104.21.78.228, 172.67.137.226, 2606:4700:3033::6815:4ee4 and 2606:4700:3035::ac43:89e2.

Additional host names — levcasinowinpay.ru, utchabadhouse.org, oriumy.com and two others — share IP numbers with algorithmchallenge.com.

Name Servers

algorithmchallenge.com has two authoritative name servers — dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

algorithmchallenge.com shares its name server setup with other domains, including megame.com, dadcare.com, newspreneur.com and two others.

algorithmchallenge.com partially shares its NS delegation with several other domains, including murinoo.shop, pqd.pages.dev, landingpage-9iz.pages.dev and two others.

These name servers are regularly seen alongside norm.ns.cloudflare.com and aleena.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

dexter.ns.cloudflare.com points to 108.162.195.190, 162.159.44.190, 172.64.35.190 and 3 other IP addresses.

grannbo.ns.cloudflare.com points to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 other IP addresses.

Mail Servers

algorithmchallenge.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

algorithmchallenge.com shares mail servers — at least in part — with other domains, including billbandhan.com, margamgreenenergy.co.uk, terreno.fm and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.

algorithmchallenge.com - robtex.com