🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`fullstackmastery.com`

DNSSEC	⚠️ Not signed
A	139.144.53.91^{🇺🇸 AKAMAI-LINODE-AP139.144.48.0/20 Akamai Technologies}
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`client1.cloudmailin.net` ⭐
		A	35.173.170.78^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-173-170-78.compute-1.amazonaws.com`
		A	44.205.200.149^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-205-200-149.compute-1.amazonaws.com`
		A	52.71.43.23^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-71-43-23.compute-1.amazonaws.com`
		A	54.205.229.152^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-205-229-152.compute-1.amazonaws.com`
MX	`client2.cloudmailin.net` ⭐
		A	52.214.149.158^{🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix}
			PTR	`ec2-52-214-149-158.eu-west-1.compute.amazonaws.com`
		A	54.75.138.197^{🇮🇪 Amazon54.74.0.0/15 EC2 DUB prefix}
			PTR	`ec2-54-75-138-197.eu-west-1.compute.amazonaws.com`
		A	54.247.80.6^{🇮🇪 Amazon54.247.0.0/17 EC2 DUB prefix}
			PTR	`ec2-54-247-80-6.eu-west-1.compute.amazonaws.com`
MX	`client3.cloudmailin.net` ⭐
		A	54.153.240.224^{🇦🇺 Amazon54.153.128.0/17 EC2 SYD prefix}
			PTR	`ec2-54-153-240-224.ap-southeast-2.compute.amazonaws.com`
		A	54.206.148.164^{🇦🇺 Amazon54.206.128.0/17 EC2 SYD prefix}
			PTR	`ec2-54-206-148-164.ap-southeast-2.compute.amazonaws.com`
		A	54.252.25.210^{🇦🇺 Amazon54.252.0.0/17 AMAZON Australia Prefix}
			PTR	`ec2-54-252-25-210.ap-southeast-2.compute.amazonaws.com`
TXT	`google-site-verification=fYFxKlkMQ_nTirjwV8tqlm7YL5taxaQz8wCAwMR5lNw`
SOA	`ns1.linode.com`jim@objectzen.com serial=2021000016

`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=1788681348

Same first word

fullstackmastery.com

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NSns1.linode.com2026-08-31 → 2026-09-06 · 2 obs

● 2026-08-31 20:19:08
● 2026-09-06 08:01:04

●NSns2.linode.com2026-08-31 → 2026-09-06 · 2 obs

● 2026-08-31 20:19:08
● 2026-09-06 08:01:04

●NSns3.linode.com2026-08-31 → 2026-09-06 · 2 obs

● 2026-08-31 20:19:08
● 2026-09-06 08:01:04

●NSns4.linode.com2026-08-31 → 2026-09-06 · 2 obs

● 2026-08-31 20:19:08
● 2026-09-06 08:01:04

●NSns5.linode.com2026-08-31 → 2026-09-06 · 2 obs

● 2026-08-31 20:19:08
● 2026-09-06 08:01:04

●MXclient1.cloudmailin.net2026-08-31 → 2026-09-06 · 4 obs

● 2026-08-31 20:19:08
○ 2026-09-02 15:22:18
● 2026-09-04 17:09:00
● 2026-09-06 08:01:04

●MXclient2.cloudmailin.net2026-08-31 → 2026-09-06 · 4 obs

● 2026-08-31 20:19:08
○ 2026-09-02 15:22:18
● 2026-09-04 17:09:00
● 2026-09-06 08:01:04

●MXclient3.cloudmailin.net2026-08-31 → 2026-09-06 · 4 obs

● 2026-08-31 20:19:08
○ 2026-09-02 15:22:18
● 2026-09-04 17:09:00
● 2026-09-06 08:01:04

●A139.144.53.912026-08-31 → 2026-09-06 · 2 obs

● 2026-08-31 20:19:08
● 2026-09-06 08:01:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
fullstackmastery.com	ns1.linode.com, ns2.linode.com	4 records

✅ Authoritative Response

Server:92.123.94.3

NS records: ns1.linode.com, ns2.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fullstackmastery.com (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.144.53.91`
NS	5	`ns3.linode.com, ns1.linode.com...`
MX	3	`client3.cloudmailin.net (pri: 10), client1.cloudmailin.net (pri: 10)...`
TXT	1	`google-site-verification=fYFxKlkMQ_nTirj`
SOA	1	`ns1.linode.com jim.objectzen.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

IP Addresses

fullstackmastery.com has exactly one IP address — 139.144.53.91.

139-144-53-91.ip.linodeusercontent.com is an example of another host name that shares IP numbers with fullstackmastery.com.

Name Servers

Five name servers handle delegation for fullstackmastery.com: ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.

fullstackmastery.com has at least partial name server overlap with other domains, such as schoolawardstogo.com, windowsvistascreensavers.com, attractionsonyourdoorstep.co.uk and two others.

It is common to see these name servers used together with name servers ns4.linode.com and ns5.linode.com.

Host names pointing to two IP addresses:

ns1.linode.com resolves to 92.123.94.2 and 2600:14c0:6::2.

ns2.linode.com resolves to 92.123.94.3 and 2600:14c0:6::3.

ns3.linode.com resolves to 92.123.95.3 and 2600:14c0:7::3.

ns4.linode.com resolves to 92.123.95.4 and 2600:14c0:7::4.

ns5.linode.com resolves to 92.123.95.2 and 2600:14c0:7::2.

Mail Servers

fullstackmastery.com has three mail servers: client1.cloudmailin.net, client2.cloudmailin.net and client3.cloudmailin.net.

At least some of the mail servers used by fullstackmastery.com are shared with other domains: reyaan.com, hoe-sorvet.store, advantagecarandcredit.neoverify.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers smtp.google.com.

Host names with four IP addresses:

client1.cloudmailin.net has four IP addresses: 35.173.170.78, 44.205.200.149, 52.71.43.23 and 54.205.229.152.

Host names carrying three IP numbers:

client2.cloudmailin.net resolves to 52.214.149.158, 54.75.138.197 and 54.247.80.6.

client3.cloudmailin.net resolves to 54.153.240.224, 54.206.148.164 and 54.252.25.210.

fullstackmastery.com - robtex.com