🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`githubtraining.com`

DNSSEC	⚠️ Not signed
NS	`ns1.namebrightdns.com` ⭐ ⚠️ Not in parent delegation
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`ns1.dropcatch.com` ⚠️ Not in zone NS records
		A	2600:1f18:683a:ae1a:1147:b6f3:3bf8:dd7a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	32.192.72.236
			PTR	`ec2-32-192-72-236.compute-1.amazonaws.com`
		A	54.172.129.31^{🇺🇸 Amazon54.172.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-172-129-31.compute-1.amazonaws.com`
NS	`ns2.dropcatch.com` ⚠️ Not in zone NS records
		A	2600:1f18:683a:ae1a:f75f:5b27:9b10:a6f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:1a72:823a:dc0a:dd52^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8dc2:84c7:b284:2063^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.87.154.182^{🇺🇸 Amazon54.87.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-87-154-182.compute-1.amazonaws.com`
		A	98.94.101.111^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-94-101-111.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com` ⚠️ Not in parent delegation
		A	2600:1f18:683a:ae1a:d98d:77d0:4351:e98f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8b8e:2173:9d62:5394^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:96f8:d2c8:7f34:9449^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	35.175.192.103^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-175-192-103.compute-1.amazonaws.com`
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-23 #1

`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=1787542726

Same first word

githubtraining.com

Previous names

Next names

DNS History

14 records (4 active, 10 former)

○NSns1.digitalocean.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:39:40
○ 2017-07-07 20:53:06
○ 2026-08-24 03:42:20

●NSns1.dropcatch.com2026-07-14 → 2026-08-24 · 3 obs

○ 2017-07-07 20:53:06
● 2026-07-14 21:22:00
● 2026-08-24 03:42:20

●NSns1.namebrightdns.com2026-07-14 → 2026-08-24 · 3 obs

○ 2017-07-07 20:53:06
● 2026-07-14 21:22:00
● 2026-08-24 03:42:20

○NSns1.sm14.siteground.biz2017-07-07 → 2017-07-07 · 4 obs

○ 2016-12-14 07:39:40
● 2017-07-07 20:53:06
○ 2026-07-14 21:22:00
○ 2026-08-24 03:42:20

○NSns2.digitalocean.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:39:40
○ 2017-07-07 20:53:06
○ 2026-08-24 03:42:20

●NSns2.dropcatch.com2026-07-14 → 2026-08-24 · 3 obs

○ 2017-07-07 20:53:06
● 2026-07-14 21:22:00
● 2026-08-24 03:42:20

●NSns2.namebrightdns.com2026-07-14 → 2026-08-24 · 3 obs

○ 2017-07-07 20:53:06
● 2026-07-14 21:22:00
● 2026-08-24 03:42:20

○NSns2.sm14.siteground.biz2017-07-07 → 2017-07-07 · 4 obs

○ 2016-12-14 07:39:40
● 2017-07-07 20:53:06
○ 2026-07-14 21:22:00
○ 2026-08-24 03:42:20

○NSns3.digitalocean.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:39:40
○ 2017-07-07 20:53:06
○ 2026-08-24 03:42:20

○MXmx10.mailspamprotection.com2017-07-07 → 2017-07-07 · 3 obs

● 2017-07-07 20:53:06
○ 2026-07-14 21:22:00
○ 2026-08-24 03:42:20

○MXmx20.mailspamprotection.com2017-07-07 → 2017-07-07 · 3 obs

● 2017-07-07 20:53:06
○ 2026-07-14 21:22:00
○ 2026-08-24 03:42:20

○MXmx30.mailspamprotection.com2017-07-07 → 2017-07-07 · 3 obs

● 2017-07-07 20:53:06
○ 2026-07-14 21:22:00
○ 2026-08-24 03:42:20

○A188.166.248.1902016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:39:40
○ 2017-07-07 20:53:06
○ 2026-08-24 03:42:20

○A77.104.167.872017-07-07 → 2017-07-07 · 4 obs

○ 2016-12-14 07:39:40
● 2017-07-07 20:53:06
○ 2026-07-14 21:22:00
○ 2026-08-24 03:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...	-
githubtraining.com	ns1.dropcatch.com, ns2.dropcatch.com	8 records

✅ Authoritative Response

Server:32.192.72.236

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for githubtraining.com (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.dropcatch.com, ns1.dropcatch.com, ns1.dropcatch.com...)

Analysis

Name Servers

The domain githubtraining.com is delegated to these four name servers: ns1.dropcatch.com, ns2.dropcatch.com, ns1.namebrightdns.com and ns2.namebrightdns.com.

githubtraining.com has at least partial name server overlap with other domains, such as pvctiles.com, pillowandpill.com, sprintalpha.com and two others.

It is common to find these name servers paired with the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that point to five IP numbers:

ns2.dropcatch.com directs to 54.87.154.182, 98.94.101.111, 2600:1f18:683a:ae1a:f75f:5b27:9b10:a6f1 and two other IP addresses.

ns2.namebrightdns.com directs to 35.175.192.103, 54.163.9.173, 2600:1f18:683a:ae1a:d98d:77d0:4351:e98f and two other IP addresses.

Hosts with three IP address records:

ns1.dropcatch.com resolves to 32.192.72.236, 54.172.129.31 and 2600:1f18:683a:ae1a:1147:b6f3:3bf8:dd7a.

ns1.namebrightdns.com resolves to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.