🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`algorithm-engineering.net`

DNSSEC	⚠️ Not signed
A	77.72.2.38^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`fergus-lon2.krystal.uk`
NS	`amit.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amit.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amit.ns.cloudflare.com`
		A	108.162.193.63^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	172.64.33.63^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
		A	173.245.59.63^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amit.ns.cloudflare.com`
NS	`naomi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`naomi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`naomi.ns.cloudflare.com`
		A	108.162.192.208^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
		A	172.64.32.208^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
		A	173.245.58.208^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`naomi.ns.cloudflare.com`
MX	`mx1.krystal.uk` ⭐
		A	185.53.56.44^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
		A	185.53.56.46^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
MX	`mx2.krystal.uk`⁽²⁰⁾
		A	185.53.56.45^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
		A	185.53.56.47^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
TXT	`v=spf1 include:relay.k.io ip4:77.72.1.19 ip4:77.72.2.38 a mx include:_spf.ben...`
SOA	`amit.ns.cloudflare.com`dns@cloudflare.com serial=2413064146

`net`

	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=1788456605

Same first word

algorithm-engineering.net

algorithm-engineering.solutions

algorithm-engineering.de

algorithm-engineering.com

Previous names

Next names

DNS History

5 records (5 active, 0 former)

●NSamit.ns.cloudflare.com2026-08-25 → 2026-09-03 · 2 obs

● 2026-08-25 09:36:44
● 2026-09-03 17:59:58

●NSnaomi.ns.cloudflare.com2026-08-25 → 2026-09-03 · 2 obs

● 2026-08-25 09:36:44
● 2026-09-03 17:59:58

●MXmx1.krystal.uk2026-08-25 → 2026-09-03 · 2 obs

● 2026-08-25 09:36:44
● 2026-09-03 17:59:58

●MXmx2.krystal.uk2026-08-25 → 2026-09-03 · 2 obs

● 2026-08-25 09:36:44
● 2026-09-03 17:59:58

●A77.72.2.382026-08-25 → 2026-09-03 · 2 obs

● 2026-08-25 09:36:44
● 2026-09-03 17:59:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
algorithm-engineering.net	amit.ns.cloudflare.com, naomi.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.208

NS records: amit.ns.cloudflare.com, naomi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithm-engineering.net (unsigned zone)

⏱️ Timing

Total: 682ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.38`
NS	2	`amit.ns.cloudflare.com, naomi.ns.cloudflare.com`
MX	2	`mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)`
TXT	1	`v=spf1 include:relay.k.io ip4:77.72.1.19`
SOA	1	`amit.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

algorithm-engineering.net points to a single IP number: 77.72.2.38.

Additional host names — spadgeuk.com, sonicwallonline.co.uk, gardenroomac.co.uk and two others — share IP numbers with algorithm-engineering.net.

Name Servers

Two name servers handle the delegation for algorithm-engineering.net: amit.ns.cloudflare.com and naomi.ns.cloudflare.com.

algorithm-engineering.net shares its name server setup with other domains, including youtalkonline.com, oe6b6cvcor82.workers.dev, thingyservers.workers.dev and two others.

There is at least partial name server overlap between algorithm-engineering.net and other domains — revlabpro.com, kamalchoudhary33332222.workers.dev, weastholdings.com and two more among them.

These name servers are routinely deployed together with the name servers aria.ns.cloudflare.com.

Host names with 6 IP numbers:

amit.ns.cloudflare.com resolves to 108.162.193.63, 172.64.33.63 and 173.245.59.63 among others, with 3 other IP addresses in total.

naomi.ns.cloudflare.com resolves to 108.162.192.208, 172.64.32.208 and 173.245.58.208 among others, with 3 other IP addresses in total.

Mail Servers

algorithm-engineering.net has two mail servers: mx1.krystal.uk and mx2.krystal.uk.

algorithm-engineering.net shares the same mail server setup as other domains, including nevermindus.com, touchmarketing.co.uk, csepos.co.uk and two others.

mx1.krystal.uk and mx2.krystal.uk both carry two IP addresses. The A records for mx1.krystal.uk are 185.53.56.44 and 185.53.56.46; the A records for mx2.krystal.uk are 185.53.56.45 and 185.53.56.47.

algorithm-engineering.net - robtex.com