algorithmcourse.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`algorithmcourse.com`

DNSSEC	⚠️ Not signed
A	216.239.136.99^{🇺🇸 Omnis216.239.136.0/21 Network, LLC}
NS	`ns1.jethostns.com` ⭐
		A	2a0e:acc0:1::cafe:cafe:ca20^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns1.jethostns.com`
		A	45.138.106.20^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns1.jethostns.com`
NS	`ns2.jethostns.com`
		A	2a0e:acc0:2::b:1:b20^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns2.jethostns.com`
		A	185.8.238.20^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns2.jethostns.com`
NS	`ns3.jethostns.com`
		A	2a0e:acc0:1::cafe:cafe:ca21^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns3.jethostns.com`
		A	45.138.106.21^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns3.jethostns.com`
NS	`ns4.jethostns.com`
		A	2a0e:acc0:2::b:1:b21^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns4.jethostns.com`
		A	185.8.238.21^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns4.jethostns.com`
SOA	`ns1.jethostns.com`wedos@wedos.com 2026-07-30 #2

`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=1788643938

Same first word

algorithmcourse.com

Similar names

thesurgicalroom.ca

thesurgicalroom.com

hoteuro(0x63616d6769726c)s.com

Previous names

Next names

DNS History

11 records (5 active, 6 former)

●NSns1.jethostns.com2026-09-01 → 2026-09-05 · 3 obs

○ 2017-05-21 03:10:12
● 2026-09-01 21:01:46
● 2026-09-05 21:53:42

○NSns1.omnis.com2015-06-10 → 2017-05-21 · 4 obs

● 2015-06-10 15:04:38
● 2017-05-21 03:10:12
○ 2026-09-01 21:01:46
○ 2026-09-05 21:53:42

●NSns2.jethostns.com2026-09-01 → 2026-09-05 · 3 obs

○ 2017-05-21 03:10:12
● 2026-09-01 21:01:46
● 2026-09-05 21:53:42

○NSns2.omnis.com2015-06-10 → 2017-05-21 · 4 obs

● 2015-06-10 15:04:38
● 2017-05-21 03:10:12
○ 2026-09-01 21:01:46
○ 2026-09-05 21:53:42

●NSns3.jethostns.com2026-09-01 → 2026-09-05 · 3 obs

○ 2017-05-21 03:10:12
● 2026-09-01 21:01:46
● 2026-09-05 21:53:42

○NSns3.omnis.com2015-06-10 → 2017-05-21 · 4 obs

● 2015-06-10 15:04:38
● 2017-05-21 03:10:12
○ 2026-09-01 21:01:46
○ 2026-09-05 21:53:42

●NSns4.jethostns.com2026-09-01 → 2026-09-05 · 3 obs

○ 2017-05-21 03:10:12
● 2026-09-01 21:01:46
● 2026-09-05 21:53:42

○NSprimary.guardeddns.net2015-06-10 → 2017-05-21 · 4 obs

● 2015-06-10 15:04:38
● 2017-05-21 03:10:12
○ 2026-09-01 21:01:46
○ 2026-09-05 21:53:42

○A216.239.128.702015-06-10 → 2015-06-10 · 3 obs

● 2015-06-10 15:04:38
○ 2015-10-23 15:42:12
○ 2026-09-05 21:53:42

○A216.239.130.2202015-10-23 → 2017-05-21 · 5 obs

○ 2015-06-10 15:04:38
● 2015-10-23 15:42:12
● 2017-05-21 03:10:12
○ 2026-09-01 21:01:46
○ 2026-09-05 21:53:42

●A216.239.136.992026-09-01 → 2026-09-05 · 3 obs

○ 2017-05-21 03:10:12
● 2026-09-01 21:01:46
● 2026-09-05 21:53:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
algorithmcourse.com	ns1.jethostns.com, ns2.jethostns.com, ns3.jethostns.com, ns4.jethostns.com	8 records

✅ Authoritative Response

Server:185.8.238.21

NS records: ns1.jethostns.com, ns2.jethostns.com, ns3.jethostns.com, ns4.jethostns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmcourse.com (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.239.136.99`
NS	4	`ns1.jethostns.com, ns2.jethostns.com...`
SOA	1	`ns1.jethostns.com wedos.wedos.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.jethostns.com, ns1.jethostns.com, ns2.jethostns.com...)

Analysis

IP Addresses

algorithmcourse.com directs to one IP number, which is 216.239.136.99.

Among the host names that share IP numbers with algorithmcourse.com are globeup.com, sussexacademysports.com, knowwheretheroadsgo.com and two others.

Name Servers

The domain algorithmcourse.com is delegated to these four name servers: ns1.jethostns.com, ns2.jethostns.com, ns3.jethostns.com and ns4.jethostns.com.

The name servers of algorithmcourse.com overlap at least partially with those of other domains — among them opedroafonso.com, caonlineservices.com, pragdevnotes.com and two more.

These name servers commonly appear alongside the name servers ns1.omnis.com and ns1.guardedhost.com.

Each of the four hosts ns1.jethostns.com, ns2.jethostns.com, ns3.jethostns.com and ns4.jethostns.com has two IP addresses. ns1.jethostns.com points to 45.138.106.20 and 2a0e:acc0:1::cafe:cafe:ca20. ns2.jethostns.com points to 185.8.238.20 and 2a0e:acc0:2::b:1:b20. ns3.jethostns.com points to 45.138.106.21 and 2a0e:acc0:1::cafe:cafe:ca21. ns4.jethostns.com points to 185.8.238.21 and 2a0e:acc0:2::b:1:b21.