computerscience.training - dns.ninja

`computerscience.training`

DNSSEC	⚠️ Not signed
A	192.64.119.132^{🇺🇸 NAMCHEAP-PH192.64.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1678046392

`training`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.training` ⭐
	NS	`v0n1.nic.training`
	NS	`v0n2.nic.training`
	NS	`v0n3.nic.training`
	NS	`v2n0.nic.training`
	NS	`v2n1.nic.training`
	SOA	`v0n0.nic.training`hostmaster@donuts.email serial=1782543819

Same first word

DNS History

12 records (8 active, 4 former)

●NSdns1.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

●NSdns2.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

○NSns1.bluehost.com2016-12-10 → 2017-12-09 · 4 obs

● 2016-12-10 20:46:26
● 2017-12-09 00:26:38
○ 2026-02-15 23:52:10
○ 2026-06-27 07:36:22

○NSns2.bluehost.com2016-12-10 → 2017-12-09 · 4 obs

● 2016-12-10 20:46:26
● 2017-12-09 00:26:38
○ 2026-02-15 23:52:10
○ 2026-06-27 07:36:22

●MXeforward1.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

●MXeforward2.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

●MXeforward3.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

●MXeforward4.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

●MXeforward5.registrar-servers.com2026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

○MXmail.computerscience.training2016-12-10 → 2017-12-09 · 4 obs

● 2016-12-10 20:46:26
● 2017-12-09 00:26:38
○ 2026-02-15 23:52:10
○ 2026-06-27 07:36:22

○A162.144.22.862016-12-10 → 2017-12-09 · 4 obs

● 2016-12-10 20:46:26
● 2017-12-09 00:26:38
○ 2026-02-15 23:52:10
○ 2026-06-27 07:36:22

●A192.64.119.1322026-02-15 → 2026-06-27 · 3 obs

○ 2017-12-09 00:26:38
● 2026-02-15 23:52:10
● 2026-06-27 07:36:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
training	v0n3.nic.training, v2n1.nic.training, v0n1.nic.training, v0n0.nic.training...	12 records
computerscience.training	dns2.registrar-servers.com, dns1.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns2.registrar-servers.com, dns1.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerscience.training (unsigned zone)

⏱️ Timing

Total: 1312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.64.119.132`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.training, v2n0.nic.training, v0n3.nic.training...)

Analysis

IP Addresses

computerscience.training resolves to one IP address: 192.64.119.132.

cs50.education, rubioz.com, jensenadams.com and two other host names share IP numbers with computerscience.training.

Name Servers

The NS records for computerscience.training delegate to dns1.registrar-servers.com and dns2.registrar-servers.com.

computerscience.training uses the same name servers as several other domains — among them portnub.com, plus4.org, outpost.agency and two more.

The name servers for computerscience.training are partially shared with other domains like xef6.com, sadhal.net and woodstockengineering.com

The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are often found in combination with these name servers.

dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200. Likewise, dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200 — two IP addresses apiece.

Mail Servers

Five mail servers handle computerscience.training: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

computerscience.training has at least partial mail server overlap with other domains such as life-insurance.us, willoughbyshowerinstallation.com, 72ying.cc and two more.

The mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are commonly seen alongside these mail servers.

Hosts with just one IP address:

eforward1.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward2.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward3.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward4.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward5.registrar-servers.com resolves to the IP address 162.255.118.51.

The host names eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com each resolve to 162.255.118.51.

eforward2.registrar-servers.com and eforward4.registrar-servers.com each have 162.255.118.52 IP addresses.