classessment.com - dns.ninja

`classessment.com`

DNSSEC	⚠️ Not signed
A	2600:3c00::f03c:91ff:fe7d:1a46^{🇺🇸 AKAMAI-LINODE-AP2600:3c00::/32 Akamai Technologies}
A	96.126.121.70^{🇺🇸 AKAMAI-LINODE-AP96.126.112.0/20 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`
		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`
		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`
		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	`classessment.com` ⭐
		A	2600:3c00::f03c:91ff:fe7d:1a46^{🇺🇸 AKAMAI-LINODE-AP2600:3c00::/32 Akamai Technologies}
		A	96.126.121.70^{🇺🇸 AKAMAI-LINODE-AP96.126.112.0/20 Akamai Technologies}
			PTR	`li370-70.members.linode.com`
MX	`mail.classessment.com`⁽²⁰⁾
		A	2600:3c00::f03c:91ff:fe7d:1a46^{🇺🇸 AKAMAI-LINODE-AP2600:3c00::/32 Akamai Technologies}
		A	96.126.121.70^{🇺🇸 AKAMAI-LINODE-AP96.126.112.0/20 Akamai Technologies}
			PTR	`li370-70.members.linode.com`
TXT	`v=spf1 a ~all`
SOA	`ns1.linode.com`ldj@mechnerfoundation.org 2018-04-16 #4

`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=1782899796

MX for

classessment.com

Subdomains

mail.classessment.com

admin.classessment.com

Same first word

classessment.com

DNS History

15 records (9 active, 6 former)

○NSdns1.name-services.com2016-12-17 → 2017-10-03 · 4 obs

● 2016-12-17 10:26:36
● 2017-10-03 16:15:18
○ 2026-03-27 09:52:08
○ 2026-07-01 10:25:46

○NSdns2.name-services.com2016-12-17 → 2017-10-03 · 4 obs

● 2016-12-17 10:26:36
● 2017-10-03 16:15:18
○ 2026-03-27 09:52:08
○ 2026-07-01 10:25:46

○NSdns3.name-services.com2016-12-17 → 2017-10-03 · 4 obs

● 2016-12-17 10:26:36
● 2017-10-03 16:15:18
○ 2026-03-27 09:52:08
○ 2026-07-01 10:25:46

○NSdns4.name-services.com2016-12-17 → 2017-10-03 · 4 obs

● 2016-12-17 10:26:36
● 2017-10-03 16:15:18
○ 2026-03-27 09:52:08
○ 2026-07-01 10:25:46

○NSdns5.name-services.com2016-12-17 → 2017-10-03 · 4 obs

● 2016-12-17 10:26:36
● 2017-10-03 16:15:18
○ 2026-03-27 09:52:08
○ 2026-07-01 10:25:46

●NSns1.linode.com2026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

●NSns2.linode.com2026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

●NSns3.linode.com2026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

●NSns4.linode.com2026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

●NSns5.linode.com2026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

●MXclassessment.com2016-12-17 → 2026-07-01 · 2 obs

● 2016-12-17 10:26:36
● 2026-07-01 10:25:46

●MXmail.classessment.com2016-12-17 → 2026-07-01 · 2 obs

● 2016-12-17 10:26:36
● 2026-07-01 10:25:46

●A2600:3c00::f03c:91ff:fe7d:1a462026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

○A45.33.72.632016-12-17 → 2017-10-03 · 4 obs

● 2016-12-17 10:26:36
● 2017-10-03 16:15:18
○ 2026-03-27 09:52:08
○ 2026-07-01 10:25:46

●A96.126.121.702026-03-27 → 2026-07-01 · 3 obs

○ 2017-10-03 16:15:18
● 2026-03-27 09:52:08
● 2026-07-01 10:25:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
classessment.com	ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com...	10 records

✅ Authoritative Response

Server:92.123.94.2

NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classessment.com (unsigned zone)

⏱️ Timing

Total: 211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`96.126.121.70`
AAAA	1	`2600:3c00::f03c:91ff:fe7d:1a46`
NS	5	`ns2.linode.com, ns1.linode.com...`
MX	2	`classessment.com (pri: 10), mail.classessment.com (pri: 20)`
TXT	1	`v=spf1 a ~all`
SOA	1	`ns1.linode.com ldj.mechnerfoundation.org`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

Hierarchy

classessment.com is the parent domain of mail.classessment.com and admin.classessment.com.

Mail Server Role

classessment.com acts as its own mail server.

mail.classessment.com and classessment.com tend to appear jointly as mail servers.

IP Addresses

classessment.com resolves to the IP addresses 96.126.121.70 and 2600:3c00::f03c:91ff:fe7d:1a46

mail.classessment.com, li370-70.members.linode.com and admin.classessment.com are examples of other host names that share IP numbers with classessment.com.

Name Servers

Delegation for classessment.com is to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.

classessment.com partially shares its NS delegation with several other domains, including lincmad.com, o2group.net, lonniemartin.com and two others.

These name servers are regularly seen alongside ns4.linode.com and ns5.linode.com as name servers.

Host names with two IP numbers:

ns1.linode.com maps to two IP addresses — 92.123.94.2 and 2600:14c0:6::2.

ns2.linode.com maps to two IP addresses — 92.123.94.3 and 2600:14c0:6::3.

ns3.linode.com maps to two IP addresses — 92.123.95.3 and 2600:14c0:7::3.

ns4.linode.com maps to two IP addresses — 92.123.95.4 and 2600:14c0:7::4.

ns5.linode.com maps to two IP addresses — 92.123.95.2 and 2600:14c0:7::2.

Mail Servers

Two mail servers handle classessment.com: classessment.com and mail.classessment.com.

The host names classessment.com and mail.classessment.com both direct to 96.126.121.70 and 2600:3c00::f03c:91ff:fe7d:1a46.

These two host names — classessment.com and mail.classessment.com — each point to 2600:3c00::f03c:91ff:fe7d:1a46 IP addresses.

These two host names — classessment.com and mail.classessment.com — each point to 96.126.121.70 IP addresses.