`bestofthebesttraining.com`

DNSSEC	⚠️ Not signed
A	3.222.192.211^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-222-192-211.compute-1.amazonaws.com`
NS	`ns4.csof.net` ⭐
		A	52.20.19.77^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-19-77.compute-1.amazonaws.com`
NS	`ns1.csof.net`
		A	18.205.186.231^{🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-205-186-231.compute-1.amazonaws.com`
NS	`ns2.csof.net`
		A	23.21.178.27^{🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix}
			PTR	`ec2-23-21-178-27.compute-1.amazonaws.com`
NS	`ns3.csof.net`
		A	3.214.185.54^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-214-185-54.compute-1.amazonaws.com`
MX	`mx1.bestofthebesttraining.com` ⭐
		A	46.4.12.146^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`static.146.12.4.46.clients.your-server.de`
MX	`mx2.bestofthebesttraining.com` ⭐
		A	46.4.10.173^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`static.173.10.4.46.clients.your-server.de`
TXT	`v=spf1 include:_incspfcheck.mailspike.net ?all`
SOA	`ns4.csof.net`hostmaster@bestofthebesttraining.com serial=1777074019

`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=1777073536

🦠 Blackbook: Known malware/C&C domain

Subdomains

mx2.bestofthebesttraining.com

www.bestofthebesttraining.com

mx1.bestofthebesttraining.com

Same first word

bestofthebesttraining.com

DNS History

13 records (7 active, 6 former)

○NSdns1.name-services.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 23:30:34
○ 2017-10-15 23:10:50
○ 2026-04-24 23:41:54

○NSdns2.name-services.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 23:30:34
○ 2017-10-15 23:10:50
○ 2026-04-24 23:41:54

○NSdns3.name-services.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 23:30:34
○ 2017-10-15 23:10:50
○ 2026-04-24 23:41:54

○NSdns4.name-services.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 23:30:34
○ 2017-10-15 23:10:50
○ 2026-04-24 23:41:54

○NSdns5.name-services.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 23:30:34
○ 2017-10-15 23:10:50
○ 2026-04-24 23:41:54

●NSns1.csof.net2026-04-03 → 2026-04-24 · 3 obs

○ 2017-10-15 23:10:50
● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

●NSns2.csof.net2026-04-03 → 2026-04-24 · 3 obs

○ 2017-10-15 23:10:50
● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

●NSns3.csof.net2026-04-03 → 2026-04-24 · 3 obs

○ 2017-10-15 23:10:50
● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

●NSns4.csof.net2026-04-03 → 2026-04-24 · 3 obs

○ 2017-10-15 23:10:50
● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

●MXmx1.bestofthebesttraining.com2026-04-03 → 2026-04-24 · 2 obs

● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

●MXmx2.bestofthebesttraining.com2026-04-03 → 2026-04-24 · 2 obs

● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

●A3.222.192.2112026-04-03 → 2026-04-24 · 3 obs

○ 2017-10-15 23:10:50
● 2026-04-03 19:47:44
● 2026-04-24 23:41:54

○A98.124.204.162016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 23:30:34
○ 2017-10-15 23:10:50
○ 2026-04-24 23:41:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
bestofthebesttraining.com	ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net	-

✅ Authoritative Response

Server:23.21.178.27

NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bestofthebesttraining.com (unsigned zone)

⏱️ Timing

Total: 569ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.222.192.211`
NS	4	`ns2.csof.net, ns1.csof.net...`
MX	2	`mx1.bestofthebesttraining.com (pri: 10), mx2.bestofthebesttraining.com (pri: 10)`
TXT	1	`v=spf1 include:_incspfcheck.mailspike.ne`
SOA	1	`ns4.csof.net hostmaster.bestofthebesttra`

Analysis

Hierarchy

bestofthebesttraining.com has mx2.bestofthebesttraining.com, www.bestofthebesttraining.com and mx1.bestofthebesttraining.com as children.

IP Addresses

bestofthebesttraining.com points to a single IP address: 3.222.192.211.

Other host names such as 4cfc6a2654c806b33e46ace851a74d4d.today, 2e5ee310bddd642b056f9777168c188c.cyou, fa0045e8c7f4aff4fa1bebf501aef65b.xyz, performance.appclick.co and www.dee0bda0d96324120766dd51d7913a45.com share IPs with bestofthebesttraining.com.

Name Servers

bestofthebesttraining.com is delegated to four name servers: ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.

bestofthebesttraining.com at least partially shares name servers with other domains, for example fairu-blog.xyz, 088adcaefd6b7a77233f4029204acaac.com, 3b2db75bab60fe4d04cbf648880e00ee.xyz, 4e40388ba026c10e807b155ddf45908a.life and aubsweqeaujnxgygeqin.com.

these name servers commonly pair with ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.

Host names with one IP number:

ns1.csof.net points to: 18.205.186.231

ns2.csof.net points to: 23.21.178.27

ns3.csof.net points to: 3.214.185.54

ns4.csof.net points to: 52.20.19.77

Mail Servers

Two mail servers handle bestofthebesttraining.com: mx1.bestofthebesttraining.com and mx2.bestofthebesttraining.com.

The mail server setup for bestofthebesttraining.com is the same as that of other domains, for instance www.bestofthebesttraining.com.

Host names with one IP number:

mx1.bestofthebesttraining.com points to 46.4.12.146; mx2.bestofthebesttraining.com points to 46.4.10.173.

bestofthebesttraining.com - robtex.com