`bmjmasterclass.com`

DNSSEC	⚠️ Not signed
A	52.16.193.123^{🇮🇪 Amazon52.16.0.0/15 EC2 DUB prefix}
		PTR	`ec2-52-16-193-123.eu-west-1.compute.amazonaws.com`
A	54.74.187.152^{🇮🇪 Amazon54.74.0.0/15 EC2 DUB prefix}
A	54.228.43.143^{🇮🇪 Amazon54.228.0.0/16 EC2 DUB prefix}
NS	`ns-1096.awsdns-09.org` ⭐
		A	2600:9000:5304:4800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1096.awsdns-09.org`
		A	205.251.196.72^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1096.awsdns-09.org`
NS	`ns-1832.awsdns-37.co.uk`
		A	2600:9000:5307:2800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1832.awsdns-37.co.uk`
		A	205.251.199.40^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1832.awsdns-37.co.uk`
NS	`ns-38.awsdns-04.com`
		A	2600:9000:5300:2600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-38.awsdns-04.com`
		A	205.251.192.38^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-38.awsdns-04.com`
NS	`ns-775.awsdns-32.net`
		A	2600:9000:5303:700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-775.awsdns-32.net`
		A	205.251.195.7^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-775.awsdns-32.net`
TXT	`v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:rua.bmj@emailauth....`
TXT	`v=spf1 -all`
SOA	`ns-1096.awsdns-09.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

Subdomains

www.bmjmasterclass.com

Same first word

bmjmasterclass.com

DNS History

18 records (7 active, 11 former)

●NSns-1096.awsdns-09.org2017-03-15 → 2026-03-10 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-10 10:04:24

●NSns-1832.awsdns-37.co.uk2017-03-15 → 2026-03-10 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-10 10:04:24

●NSns-38.awsdns-04.com2017-03-15 → 2026-03-10 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-10 10:04:24

●NSns-775.awsdns-32.net2017-03-15 → 2026-03-10 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-10 10:04:24

○NSns1.netnames.net2015-06-28 → 2016-07-08 · 4 obs

● 2015-06-28 17:01:26
● 2016-07-08 20:35:00
○ 2017-03-15 18:29:44
○ 2026-03-10 10:04:24

○NSns2.netnames.net2015-06-28 → 2016-07-08 · 4 obs

● 2015-06-28 17:01:26
● 2016-07-08 20:35:00
○ 2017-03-15 18:29:44
○ 2026-03-10 10:04:24

○MXrelay1.netnames.net2015-06-28 → 2016-07-08 · 4 obs

● 2015-06-28 17:01:26
● 2016-07-08 20:35:00
○ 2017-03-15 18:29:44
○ 2026-03-10 10:04:24

○MXrelay2.netnames.net2015-06-28 → 2016-07-08 · 4 obs

● 2015-06-28 17:01:26
● 2016-07-08 20:35:00
○ 2017-03-15 18:29:44
○ 2026-03-10 10:04:24

○A185.26.230.1292015-06-28 → 2016-07-08 · 4 obs

● 2015-06-28 17:01:26
● 2016-07-08 20:35:00
○ 2017-03-15 18:29:44
○ 2026-03-10 10:04:24

○A34.248.192.1742026-02-24 → 2026-02-26 · 5 obs

○ 2020-01-14 19:47:02
● 2026-02-24 15:16:46
● 2026-02-26 06:00:06
○ 2026-03-03 06:56:10
○ 2026-03-10 10:04:24

○A34.253.242.652026-02-24 → 2026-02-26 · 5 obs

○ 2020-01-14 19:47:02
● 2026-02-24 15:16:46
● 2026-02-26 06:00:06
○ 2026-03-03 06:56:10
○ 2026-03-10 10:04:24

●A52.16.193.1232026-03-03 → 2026-03-10 · 3 obs

○ 2026-02-26 06:00:06
● 2026-03-03 06:56:10
● 2026-03-10 10:04:24

○A54.154.130.1512020-01-14 → 2020-01-14 · 4 obs

○ 2017-03-15 18:29:44
● 2020-01-14 19:47:02
○ 2026-02-24 15:16:46
○ 2026-03-10 10:04:24

●A54.228.43.1432026-03-03 → 2026-03-10 · 3 obs

○ 2026-02-26 06:00:06
● 2026-03-03 06:56:10
● 2026-03-10 10:04:24

○A54.229.85.1162026-02-24 → 2026-03-03 · 5 obs

○ 2020-01-14 19:47:02
● 2026-02-24 15:16:46
● 2026-03-03 06:56:10
○ 2026-03-10 10:04:20
○ 2026-03-10 10:04:24

●A54.74.187.1522026-03-10 → 2026-03-10 · 3 obs

○ 2026-03-03 06:56:10
● 2026-03-10 10:04:20
● 2026-03-10 10:04:24

○A63.32.9.1482020-01-14 → 2020-01-14 · 4 obs

○ 2017-03-15 18:29:44
● 2020-01-14 19:47:02
○ 2026-02-24 15:16:46
○ 2026-03-10 10:04:24

○A72.21.42.1042017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
○ 2020-01-14 19:47:02
○ 2026-03-10 10:04:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
bmjmasterclass.com	ns-38.awsdns-04.com, ns-775.awsdns-32.net, ns-1096.awsdns-09.org, ns-1832.awsdns-37.co.uk	1 record

✅ Authoritative Response

Server: 205.251.195.7

NS records: ns-38.awsdns-04.com, ns-775.awsdns-32.net, ns-1096.awsdns-09.org, ns-1832.awsdns-37.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bmjmasterclass.com (unsigned zone)

⏱️ Timing

Total: 582ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`54.74.187.152, 54.228.43.143...`
NS	4	`ns-1096.awsdns-09.org, ns-1832.awsdns-37.co.uk...`
TXT	2	`v=DMARC1;p=reject;sp=reject;adkim=s;aspf, v=spf1 -all`
SOA	1	`ns-1096.awsdns-09.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-38.awsdns-04.com)

Analysis

Hierarchy

bmjmasterclass.com is parent of www.bmjmasterclass.com.

IP Addresses

Three IP numbers for bmjmasterclass.com are 52.16.193.123, 54.74.187.152 and 54.228.43.143.

Other host names, for instance wwwbmjcareers.com, jnnp.com, thebmj.com, bmjlearning.com and static-web-live-external-1833412634.eu-west-1.elb.amazonaws.com share IP numbers with bmjmasterclass.com.

Name Servers

bmjmasterclass.com is delegated to four name servers: ns-38.awsdns-04.com, ns-775.awsdns-32.net, ns-1096.awsdns-09.org and ns-1832.awsdns-37.co.uk.

bmjmasterclass.com at least partially shares its name servers with other domains, for instance mark-construction.com, clavkoo.org, bhengagement.com, chp5-test.npocloud.nl and almontebowentherapy.ca.

These name servers are commonly used with ns-893.awsdns-47.net, ns-281.awsdns-35.com and ns-1715.awsdns-22.co.uk.

Host names with two IPs: ns-38.awsdns-04.com points to 2600:9000:5300:2600::1 and 205.251.192.38; ns-775.awsdns-32.net points to 2600:9000:5303:700::1 and 205.251.195.7; ns-1096.awsdns-09.org points to 2600:9000:5304:4800::1 and 205.251.196.72; ns-1832.awsdns-37.co.uk points to 2600:9000:5307:2800::1 and 205.251.199.40.

bmjmasterclass.com - robtex.com