fastcourse.com - dns.ninja

`fastcourse.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3d91:676:6a3b:630e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b00c:8d5c:a9a3:9538^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.218.191.141^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-191-141.compute-1.amazonaws.com`
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.240.25^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-240-25.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cc5d:cd19:dd5:828e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ee4:3218:624e:fbef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	18.232.139.44^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-139-44.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-18 #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=1781842035

Same first word

fastcourse.com

Similar names

facestours.com

sourcefast.world

fastsource.com

fastsource.co.uk

sourcefast.com

tracesofus.com

securasoft.com

safecourts.com

DNS History

22 records (7 active, 15 former)

○NSdns1.name-services.com2007-11-03 → 2016-01-24 · 4 obs

● 2007-11-03 16:55:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○NSdns2.name-services.com2007-11-03 → 2016-01-24 · 4 obs

● 2007-11-03 16:55:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○NSdns3.name-services.com2007-11-03 → 2016-01-24 · 4 obs

● 2007-11-03 16:55:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○NSdns4.name-services.com2007-11-03 → 2016-01-24 · 4 obs

● 2007-11-03 16:55:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○NSdns5.name-services.com2007-11-03 → 2016-01-24 · 4 obs

● 2007-11-03 16:55:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

●NSns1.namebrightdns.com2017-01-01 → 2026-06-19 · 3 obs

○ 2016-04-21 03:21:28
● 2017-01-01 05:29:48
● 2026-06-19 04:08:06

○NSns2.namebrightdns.com2017-01-01 → 2018-06-20 · 4 obs

○ 2016-04-21 03:21:28
● 2017-01-01 05:29:48
● 2018-06-20 16:09:44
○ 2026-06-19 04:08:06

●NSnsg1.namebrightdns.com2026-06-19 → 2026-06-19 · 2 obs

○ 2018-06-20 16:09:44
● 2026-06-19 04:08:06

●NSnsg2.namebrightdns.com2026-06-19 → 2026-06-19 · 2 obs

○ 2018-06-20 16:09:44
● 2026-06-19 04:08:06

○MXeforward3.name-services.com2007-11-03 → 2007-11-03 · 3 obs

● 2007-11-03 16:55:54
○ 2015-06-27 04:03:54
○ 2026-06-19 04:08:06

○MXeforwardct.name-services.com2007-11-03 → 2016-01-24 · 4 obs

● 2007-11-03 16:55:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○MXeforwardct2.name-services.com2015-06-27 → 2016-01-24 · 5 obs

○ 2007-11-03 16:55:54
● 2015-06-27 04:03:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○MXeforwardct3.name-services.com2015-06-27 → 2016-01-24 · 5 obs

○ 2007-11-03 16:55:54
● 2015-06-27 04:03:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

●A13.223.25.842026-06-19 → 2026-06-19 · 2 obs

○ 2018-06-20 16:09:44
● 2026-06-19 04:08:06

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-06-19 → 2026-06-19 · 2 obs

○ 2018-06-20 16:09:44
● 2026-06-19 04:08:06

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-06-19 → 2026-06-19 · 2 obs

○ 2018-06-20 16:09:44
● 2026-06-19 04:08:06

●A54.243.117.1972026-06-19 → 2026-06-19 · 2 obs

○ 2018-06-20 16:09:44
● 2026-06-19 04:08:06

○A54.82.156.192017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-21 03:21:28
● 2017-01-01 05:29:48
○ 2018-06-20 16:09:44
○ 2026-06-19 04:08:06

○A54.86.225.1562017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-21 03:21:28
● 2017-01-01 05:29:48
○ 2018-06-20 16:09:44
○ 2026-06-19 04:08:06

○A64.74.223.492007-11-03 → 2007-11-03 · 3 obs

● 2007-11-03 16:55:54
○ 2015-06-27 04:03:54
○ 2026-06-19 04:08:06

○A69.64.156.2082015-06-27 → 2016-01-24 · 5 obs

○ 2007-11-03 16:55:54
● 2015-06-27 04:03:54
● 2016-01-24 07:35:20
○ 2016-04-21 03:21:28
○ 2026-06-19 04:08:06

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-01 → 2018-06-20 · 3 obs

● 2017-01-01 05:29:48
● 2018-06-20 16:09:44
○ 2026-06-19 04:08:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fastcourse.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.88.240.25

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fastcourse.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

fastcourse.com directs to four IP numbers, which are 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

hostmaster.selavie.com, fullnights.com, delaymusic.com and two other host names share IP numbers with fastcourse.com.

Name Servers

fastcourse.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

At least some of fastcourse.com's name servers are shared with other domains, for example uniparttime.com, ns2.postdelta.com, thepiratesmovie.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that resolve to 7 IP addresses:

nsg2.namebrightdns.com resolves to 3.80.109.14, 18.232.139.44, 98.81.3.34 and 4 other IP addresses.

Hostnames that resolve to 6 IP addresses:

ns1.namebrightdns.com resolves to 13.218.191.141, 52.203.211.134, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and 3 other IP addresses.

Hostnames pointing to five IP numbers:

nsg1.namebrightdns.com resolves to four IP addresses: 3.88.240.25, 52.55.198.41, 54.175.130.15 and two others.