telcourses.com - dns.ninja

`telcourses.com`

DNSSEC	⚠️ Not signed
A	3.134.59.214^{🇺🇸 Amazon3.132.0.0/14 EC2 CMH prefix}
		PTR	`ec2-3-134-59-214.us-east-2.compute.amazonaws.com`
A	3.134.162.23^{🇺🇸 Amazon3.132.0.0/14 EC2 CMH prefix}
A	3.136.50.16^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
NS	`ns-1924.awsdns-48.co.uk` ⭐
		A	2600:9000:5307:8400::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1924.awsdns-48.co.uk`
		A	205.251.199.132^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1924.awsdns-48.co.uk`
NS	`ns-1413.awsdns-48.org`
		A	2600:9000:5305:8500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1413.awsdns-48.org`
		A	205.251.197.133^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1413.awsdns-48.org`
NS	`ns-88.awsdns-11.com`
		A	2600:9000:5300:5800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-88.awsdns-11.com`
		A	205.251.192.88^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-88.awsdns-11.com`
NS	`ns-976.awsdns-58.net`
		A	2600:9000:5303:d000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-976.awsdns-58.net`
		A	205.251.195.208^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-976.awsdns-58.net`
SOA	`ns-1924.awsdns-48.co.uk`awsdns-hostmaster@amazon.com serial=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=1785198597

Same first word

telcourses.org

telcourses.com

Similar names

DNS History

25 records (7 active, 18 former)

●NSns-1413.awsdns-48.org2019-12-15 → 2026-07-28 · 2 obs

● 2019-12-15 01:23:54
● 2026-07-28 00:35:56

●NSns-1924.awsdns-48.co.uk2019-12-15 → 2026-07-28 · 2 obs

● 2019-12-15 01:23:54
● 2026-07-28 00:35:56

●NSns-88.awsdns-11.com2019-12-15 → 2026-07-28 · 2 obs

● 2019-12-15 01:23:54
● 2026-07-28 00:35:56

●NSns-976.awsdns-58.net2019-12-15 → 2026-07-28 · 2 obs

● 2019-12-15 01:23:54
● 2026-07-28 00:35:56

○A18.119.203.722026-05-16 → 2026-05-16 · 4 obs

○ 2026-04-13 08:49:42
● 2026-05-16 23:21:42
○ 2026-07-27 04:02:36
○ 2026-07-28 00:35:56

○A18.190.93.962019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 01:23:54
○ 2026-02-18 18:30:24
○ 2026-07-28 00:35:56

○A18.217.204.2442026-02-18 → 2026-02-18 · 5 obs

○ 2019-12-15 01:23:54
● 2026-02-18 18:30:24
● 2026-02-18 19:13:44
○ 2026-03-03 04:39:50
○ 2026-07-28 00:35:56

○A18.217.75.912019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 01:23:54
○ 2026-02-18 18:30:24
○ 2026-07-28 00:35:56

○A18.219.181.1842026-02-18 → 2026-02-18 · 5 obs

○ 2019-12-15 01:23:54
● 2026-02-18 18:30:24
● 2026-02-18 19:13:44
○ 2026-03-03 04:39:50
○ 2026-07-28 00:35:56

○A18.225.62.2522026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-03 04:39:50
● 2026-04-13 08:49:42
○ 2026-05-16 23:21:42
○ 2026-07-28 00:35:56

○A3.128.207.252026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-18 19:13:44
● 2026-03-03 04:39:50
○ 2026-04-13 08:49:42
○ 2026-07-28 00:35:56

○A3.128.223.1972026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-03 04:39:50
● 2026-04-13 08:49:42
○ 2026-05-16 23:21:42
○ 2026-07-28 00:35:56

○A3.132.69.982026-02-18 → 2026-02-18 · 5 obs

○ 2019-12-15 01:23:54
● 2026-02-18 18:30:24
● 2026-02-18 19:13:44
○ 2026-03-03 04:39:50
○ 2026-07-28 00:35:56

●A3.134.162.232026-07-27 → 2026-07-28 · 3 obs

○ 2026-05-16 23:21:42
● 2026-07-27 04:02:36
● 2026-07-28 00:35:56

●A3.134.59.2142026-07-27 → 2026-07-28 · 3 obs

○ 2026-05-16 23:21:42
● 2026-07-27 04:02:36
● 2026-07-28 00:35:56

○A3.135.37.2362019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 01:23:54
○ 2026-02-18 18:30:24
○ 2026-07-28 00:35:56

●A3.136.50.162026-07-27 → 2026-07-28 · 3 obs

○ 2026-05-16 23:21:42
● 2026-07-27 04:02:36
● 2026-07-28 00:35:56

○A3.137.69.592026-05-16 → 2026-05-16 · 4 obs

○ 2026-04-13 08:49:42
● 2026-05-16 23:21:42
○ 2026-07-27 04:02:36
○ 2026-07-28 00:35:56

○A3.141.140.2452026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-18 19:13:44
● 2026-03-03 04:39:50
○ 2026-04-13 08:49:42
○ 2026-07-28 00:35:56

○A3.150.2.1132026-05-16 → 2026-05-16 · 4 obs

○ 2026-04-13 08:49:42
● 2026-05-16 23:21:42
○ 2026-07-27 04:02:36
○ 2026-07-28 00:35:56

○A3.151.224.1692026-04-13 → 2026-04-13 · 4 obs

○ 2026-03-03 04:39:50
● 2026-04-13 08:49:42
○ 2026-05-16 23:21:42
○ 2026-07-28 00:35:56

○A3.151.227.242026-02-18 → 2026-07-28 · 2 obs

○ 2026-02-18 18:30:24
○ 2026-07-28 00:35:56

○A3.151.75.1632026-02-18 → 2026-07-28 · 2 obs

○ 2026-02-18 18:30:24
○ 2026-07-28 00:35:56

○A3.16.250.1292026-02-18 → 2026-07-28 · 2 obs

○ 2026-02-18 18:30:24
○ 2026-07-28 00:35:56

○A3.20.124.1992026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-18 19:13:44
● 2026-03-03 04:39:50
○ 2026-04-13 08:49:42
○ 2026-07-28 00:35:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
telcourses.com	ns-88.awsdns-11.com, ns-976.awsdns-58.net, ns-1924.awsdns-48.co.uk, ns-1413.awsdns-48.org	2 records

✅ Authoritative Response

Server:205.251.192.88

NS records: ns-88.awsdns-11.com, ns-976.awsdns-58.net, ns-1924.awsdns-48.co.uk, ns-1413.awsdns-48.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for telcourses.com (unsigned zone)

⏱️ Timing

Total: 500ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`3.134.59.214, 3.134.162.23...`
NS	4	`ns-1413.awsdns-48.org, ns-1924.awsdns-48.co.uk...`
SOA	1	`ns-1924.awsdns-48.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-88.awsdns-11.com, ns-88.awsdns-11.com)

Analysis

IP Addresses

telcourses.com resolves to three IP addresses: 3.134.59.214, 3.134.162.23 and 3.136.50.16.

ec2-3-134-162-23.us-east-2.compute.amazonaws.com is an example of another host name that shares IP numbers with telcourses.com.

Name Servers

The NS records for telcourses.com point to four name servers: ns-88.awsdns-11.com, ns-976.awsdns-58.net, ns-1413.awsdns-48.org and ns-1924.awsdns-48.co.uk.

telcourses.com shares at least some of its name servers with other domains, including d3c1qjxx3lz88k.cloudfront.net, manchesterdrinks.com, dvdev.cz and two others.

The host names ns-88.awsdns-11.com, ns-976.awsdns-58.net, ns-1413.awsdns-48.org and ns-1924.awsdns-48.co.uk each resolve to two IP addresses: ns-88.awsdns-11.com resolves to 205.251.192.88 and 2600:9000:5300:5800::1; ns-976.awsdns-58.net resolves to 205.251.195.208 and 2600:9000:5303:d000::1; ns-1413.awsdns-48.org resolves to 205.251.197.133 and 2600:9000:5305:8500::1; ns-1924.awsdns-48.co.uk resolves to 205.251.199.132 and 2600:9000:5307:8400::1.