🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`algorithmtutor.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com`
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`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=1788456275

Subdomains

www.algorithmtutor.com

Same first word

algorithmtutor.com

Previous names

Next names

DNS History

8 records (4 active, 4 former)

○NSns1.digitalocean.com2017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 05:11:22
○ 2026-08-30 09:32:10
○ 2026-09-03 17:42:36

○NSns2.digitalocean.com2017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 05:11:22
○ 2026-08-30 09:32:10
○ 2026-09-03 17:42:36

●NSns3.afternic.com2026-08-30 → 2026-09-03 · 3 obs

○ 2017-11-22 05:11:22
● 2026-08-30 09:32:10
● 2026-09-03 17:42:36

○NSns3.digitalocean.com2017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 05:11:22
○ 2026-08-30 09:32:10
○ 2026-09-03 17:42:36

●NSns4.afternic.com2026-08-30 → 2026-09-03 · 3 obs

○ 2017-11-22 05:11:22
● 2026-08-30 09:32:10
● 2026-09-03 17:42:36

●A13.248.169.482026-08-30 → 2026-09-03 · 3 obs

○ 2017-11-22 05:11:22
● 2026-08-30 09:32:10
● 2026-09-03 17:42:36

○A45.55.189.1762017-11-22 → 2017-11-22 · 3 obs

● 2017-11-22 05:11:22
○ 2026-08-30 09:32:10
○ 2026-09-03 17:42:36

●A76.223.54.1462026-08-30 → 2026-09-03 · 3 obs

○ 2017-11-22 05:11:22
● 2026-08-30 09:32:10
● 2026-09-03 17:42:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...	-
algorithmtutor.com	ns3.afternic.com, ns4.afternic.com	2 records

✅ Authoritative Response

Server:97.74.98.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmtutor.com (unsigned zone)

⏱️ Timing

Total: 199ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

Hierarchy

The domain www.algorithmtutor.com falls under the parent algorithmtutor.com.

IP Addresses

algorithmtutor.com has two IP addresses: 13.248.169.48 and 76.223.54.146

Two other host names, along with accidentattorneyoakland.com, legacyscall.de and senior-benefits.com, also share IP numbers with algorithmtutor.com.

Name Servers

DNS delegation for algorithmtutor.com points to two name servers: ns3.afternic.com and ns4.afternic.com.

algorithmtutor.com shares its NS records with other domains, for example mail.xdi.info, mail.ironscape.com, onlinecasinoscams.com and two others.

At least some of algorithmtutor.com's name servers are shared with other domains, for example awxt.com, cashforhousesaustin.com, online3dprint.com and two more.

Each of ns3.afternic.com and ns4.afternic.com has one IP address: ns3.afternic.com uses 97.74.98.65 and ns4.afternic.com uses 173.201.66.65.

algorithmtutor.com - robtex.com