algorithmengineering.us - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`algorithmengineering.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:38a5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bb2c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.165^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.44^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cash.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c151^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2151^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cash.ns.cloudflare.com`
		A	108.162.193.81^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	172.64.33.81^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	173.245.59.81^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
NS	`gene.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gene.ns.cloudflare.com`
		A	108.162.192.158^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	172.64.32.158^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	173.245.58.158^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=FMNMMsEfKxwOxfql`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.56.165, 172.67.187.44
		IPv6 hints	2606:4700:3031::6815:38a5, 2606:4700:3035::ac43:bb2c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOA	`cash.ns.cloudflare.com`dns@cloudflare.com serial=2414460782

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1789338142

Same first word

algorithmengineering.us

algorithmengineering.com

Similar names

engineeringalgorithm.com

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NScash.ns.cloudflare.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 20:56:08
● 2026-09-13 23:22:44

●NSgene.ns.cloudflare.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 20:56:08
● 2026-09-13 23:22:44

●MXmx01.mail.icloud.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 20:56:08
● 2026-09-13 23:22:44

●MXmx02.mail.icloud.com2026-09-07 → 2026-09-13 · 2 obs

● 2026-09-07 20:56:08
● 2026-09-13 23:22:44

●A104.21.56.1652026-09-11 → 2026-09-13 · 3 obs

○ 2026-09-07 20:56:08
● 2026-09-11 07:59:16
● 2026-09-13 23:22:44

●A172.67.187.442026-09-11 → 2026-09-13 · 3 obs

○ 2026-09-07 20:56:08
● 2026-09-11 07:59:16
● 2026-09-13 23:22:44

○A188.114.96.02026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 20:56:08
○ 2026-09-11 07:59:16
○ 2026-09-13 23:22:44

○A188.114.97.02026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 20:56:08
○ 2026-09-11 07:59:16
○ 2026-09-13 23:22:44

●A2606:4700:3031::6815:38a52026-09-11 → 2026-09-13 · 3 obs

○ 2026-09-07 20:56:08
● 2026-09-11 07:59:16
● 2026-09-13 23:22:44

●A2606:4700:3035::ac43:bb2c2026-09-11 → 2026-09-13 · 3 obs

○ 2026-09-07 20:56:08
● 2026-09-11 07:59:16
● 2026-09-13 23:22:44

○A2a06:98c1:3120::2026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 20:56:08
○ 2026-09-11 07:59:16
○ 2026-09-13 23:22:44

○A2a06:98c1:3121::2026-09-07 → 2026-09-07 · 3 obs

● 2026-09-07 20:56:08
○ 2026-09-11 07:59:16
○ 2026-09-13 23:22:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	16 records
algorithmengineering.us	cash.ns.cloudflare.com, gene.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.81

NS records: cash.ns.cloudflare.com, gene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmengineering.us (unsigned zone)

⏱️ Timing

Total: 1206ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.165, 172.67.187.44`
AAAA	2	`2606:4700:3031::6815:38a5, 2606:4700:3035::ac43:bb2c`
NS	2	`cash.ns.cloudflare.com, gene.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=FMNMMsEfKxwOxfql, v=spf1 include:icloud.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cash.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (m.cctld.us, m.cctld.us, k.cctld.us...)

Analysis

IP Addresses

algorithmengineering.us has four IP addresses: 104.21.56.165, 172.67.187.44, 2606:4700:3031::6815:38a5 and 2606:4700:3035::ac43:bb2c.

Additional host names — bey061.sbs, 66vv.bet, malichickenroad.com and two others — share IP numbers with algorithmengineering.us.

Name Servers

algorithmengineering.us has two authoritative name servers — cash.ns.cloudflare.com and gene.ns.cloudflare.com.

algorithmengineering.us shares its name server setup with other domains, including mysite53.pages.dev, chofr.io, 26868586.workers.dev and two others.

algorithmengineering.us partially shares its NS delegation with several other domains, including eltern-forum.de, bagi.sa.com, metelitsa-1921.cfd and two others.

These name servers regularly co-occur with the name servers anna.ns.cloudflare.com, jessica.ns.cloudflare.com and renan.ns.cloudflare.com.

Host names with 6 IP numbers:

cash.ns.cloudflare.com points to 108.162.193.81, 172.64.33.81, 173.245.59.81 and 3 other IP addresses.

gene.ns.cloudflare.com points to 108.162.192.158, 172.64.32.158, 173.245.58.158 and 3 other IP addresses.

Mail Servers

algorithmengineering.us has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

algorithmengineering.us shares the same mail server setup as other domains, including thang.app, feelingthetrip.com, nakes.net and two others.

At least a portion of algorithmengineering.us's mail servers are also used by other domains, for example wpzhiku.com.

Host names with 6 IP numbers:

mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

mx02.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.42.251.62 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.56.9.31 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.152.5 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.154.33 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.155.25 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.156.30 IP addresses.