`mediumcourse.com`

DNSSEC	⚠️ Not signed
A	162.159.134.42^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns-1502.awsdns-59.org` ⭐
		A	2600:9000:5305:de00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1502.awsdns-59.org`
		A	205.251.197.222^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1502.awsdns-59.org`
NS	`ns-1679.awsdns-17.co.uk`
		A	2600:9000:5306:8f00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1679.awsdns-17.co.uk`
		A	205.251.198.143^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1679.awsdns-17.co.uk`
NS	`ns-438.awsdns-54.com`
		A	2600:9000:5301:b600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-438.awsdns-54.com`
		A	205.251.193.182^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-438.awsdns-54.com`
NS	`ns-802.awsdns-36.net`
		A	2600:9000:5303:2200::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-802.awsdns-36.net`
		A	205.251.195.34^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-802.awsdns-36.net`
TXT	`ca3-45e928fa4c134128b4fe15055d4795f4`
TXT	`google-site-verification=RkwMZiqwhKa3NLbAR9RpGSg3k0yio2NYJq1uYMndNeE`
SOA	`ns-1502.awsdns-59.org`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=1771291435

Same first word

mediumcourse.com

Similar names

sourcemedium.ltd

DNS History

13 records (5 active, 8 former)

○NSdns1.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

○NSdns2.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

●NSns-1502.awsdns-59.org2026-03-21 → 2026-03-23 · 3 obs

○ 2019-12-16 04:53:18
● 2026-03-21 08:54:08
● 2026-03-23 07:18:34

●NSns-1679.awsdns-17.co.uk2026-03-21 → 2026-03-23 · 3 obs

○ 2019-12-16 04:53:18
● 2026-03-21 08:54:08
● 2026-03-23 07:18:34

●NSns-438.awsdns-54.com2026-03-21 → 2026-03-23 · 3 obs

○ 2019-12-16 04:53:18
● 2026-03-21 08:54:08
● 2026-03-23 07:18:34

●NSns-802.awsdns-36.net2026-03-21 → 2026-03-23 · 3 obs

○ 2019-12-16 04:53:18
● 2026-03-21 08:54:08
● 2026-03-23 07:18:34

○MXeforward1.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

○MXeforward2.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

○MXeforward3.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

○MXeforward4.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

○MXeforward5.registrar-servers.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

●A162.159.134.422026-03-21 → 2026-03-23 · 3 obs

○ 2019-12-16 04:53:18
● 2026-03-21 08:54:08
● 2026-03-23 07:18:34

○A192.64.119.2282019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 04:53:18
○ 2026-03-21 08:54:08
○ 2026-03-23 07:18:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
mediumcourse.com	ns-438.awsdns-54.com, ns-802.awsdns-36.net, ns-1679.awsdns-17.co.uk, ns-1502.awsdns-59.org	1 record

✅ Authoritative Response

Server:205.251.193.182

NS records: ns-438.awsdns-54.com, ns-802.awsdns-36.net, ns-1679.awsdns-17.co.uk, ns-1502.awsdns-59.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mediumcourse.com (unsigned zone)

⏱️ Timing

Total: 351ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.159.134.42`
NS	4	`ns-1502.awsdns-59.org, ns-1679.awsdns-17.co.uk...`
TXT	2	`ca3-45e928fa4c134128b4fe15055d4795f4, google-site-verification=RkwMZiqwhKa3NLb`
SOA	1	`ns-1502.awsdns-59.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-438.awsdns-54.com)

Analysis

IP Addresses

mediumcourse.com resolves to one IP number: 162.159.134.42.

other host names including accessories.tcarms.com, mcwins.com, lantrotech.com, dadsgetserious.org and haya-data.com share IP numbers with mediumcourse.com.

Name Servers

mediumcourse.com is delegated to four name servers: ns-438.awsdns-54.com, ns-802.awsdns-36.net, ns-1502.awsdns-59.org and ns-1679.awsdns-17.co.uk.

mediumcourse.com at least partially shares name servers with other domains, for instance d1mf6w2td8xs6y.cloudfront.net, d3tudoxwnizvk7.cloudfront.net, d22twrso89szuz.cloudfront.net, drivefour.us and doa19gx5i3vve.cloudfront.net.

Host names with two IP numbers:

ns-438.awsdns-54.com points to 2600:9000:5301:b600::1 and 205.251.193.182; ns-802.awsdns-36.net points to 2600:9000:5303:2200::1 and 205.251.195.34; ns-1502.awsdns-59.org points to 2600:9000:5305:de00::1 and 205.251.197.222; ns-1679.awsdns-17.co.uk points to 2600:9000:5306:8f00::1 and 205.251.198.143.

mediumcourse.com - robtex.com