`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	99.81.61.104^{🇮🇪 Amazon99.80.0.0/15 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

19 records (7 active, 12 former)

●NSns-1096.awsdns-09.org2017-03-15 → 2026-03-11 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-11 08:02:16

●NSns-1832.awsdns-37.co.uk2017-03-15 → 2026-03-11 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-11 08:02:16

●NSns-38.awsdns-04.com2017-03-15 → 2026-03-11 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-11 08:02:16

●NSns-775.awsdns-32.net2017-03-15 → 2026-03-11 · 3 obs

○ 2016-07-08 20:35:00
● 2017-03-15 18:29:44
● 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

●A52.16.193.1232026-03-03 → 2026-03-11 · 3 obs

○ 2026-02-26 06:00:06
● 2026-03-03 06:56:10
● 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○A54.228.43.1432026-03-03 → 2026-03-10 · 4 obs

○ 2026-02-26 06:00:06
● 2026-03-03 06:56:10
● 2026-03-10 10:04:20
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

●A54.74.187.1522026-03-10 → 2026-03-11 · 3 obs

○ 2026-03-03 06:56:10
● 2026-03-10 10:04:20
● 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

○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
○ 2026-03-11 08:02:16

●A99.81.61.1042026-03-11 → 2026-03-11 · 2 obs

○ 2026-03-10 10:04:20
● 2026-03-11 08:02:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.16.193.123, 99.81.61.104...`
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 99.81.61.104.

Other host names, for instance wwwbmjcareers.com, clinicalevidence.com, jnnp.com, thebmj.com and besttreatments.co.uk 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 alongside ns-893.awsdns-47.net and ns-281.awsdns-35.com.

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