`dvmasterclass.com`

DNSSEC	⚠️ Not signed
A	16.148.230.217^{🇺🇸 Amazon16.148.128.0/17 EC2 Prefix}
		PTR	`ec2-16-148-230-217.us-west-2.compute.amazonaws.com`
A	54.212.96.127^{🇺🇸 Amazon54.212.0.0/16 EC2 PDX prefix}
NS	`ns-1083.awsdns-07.org` ⭐
		A	2600:9000:5304:3b00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1083.awsdns-07.org`
		A	205.251.196.59^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1083.awsdns-07.org`
NS	`ns-1741.awsdns-25.co.uk`
		A	2600:9000:5306:cd00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1741.awsdns-25.co.uk`
		A	205.251.198.205^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1741.awsdns-25.co.uk`
NS	`ns-339.awsdns-42.com`
		A	2600:9000:5301:5300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-339.awsdns-42.com`
		A	205.251.193.83^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-339.awsdns-42.com`
NS	`ns-874.awsdns-45.net`
		A	2600:9000:5303:6a00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-874.awsdns-45.net`
		A	205.251.195.106^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-874.awsdns-45.net`
SOA	`ns-1083.awsdns-07.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

dvmasterclass.com

DNS History

9 records (6 active, 3 former)

●NSns-1083.awsdns-07.org2026-02-28 → 2026-02-28 · 3 obs

○ 2019-12-17 13:41:40
● 2026-02-28 07:44:14
● 2026-02-28 21:31:22

●NSns-1741.awsdns-25.co.uk2026-02-28 → 2026-02-28 · 3 obs

○ 2019-12-17 13:41:40
● 2026-02-28 07:44:14
● 2026-02-28 21:31:22

●NSns-339.awsdns-42.com2026-02-28 → 2026-02-28 · 3 obs

○ 2019-12-17 13:41:40
● 2026-02-28 07:44:14
● 2026-02-28 21:31:22

●NSns-874.awsdns-45.net2026-02-28 → 2026-02-28 · 3 obs

○ 2019-12-17 13:41:40
● 2026-02-28 07:44:14
● 2026-02-28 21:31:22

○NSpdns11.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 13:41:40
○ 2026-02-28 07:44:14
○ 2026-02-28 21:31:22

○NSpdns12.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 13:41:40
○ 2026-02-28 07:44:14
○ 2026-02-28 21:31:22

●A16.148.230.2172026-02-28 → 2026-02-28 · 3 obs

○ 2019-12-17 13:41:40
● 2026-02-28 07:44:14
● 2026-02-28 21:31:22

○A50.63.202.542019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 13:41:40
○ 2026-02-28 07:44:14
○ 2026-02-28 21:31:22

●A54.212.96.1272026-02-28 → 2026-02-28 · 3 obs

○ 2019-12-17 13:41:40
● 2026-02-28 07:44:14
● 2026-02-28 21:31:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
dvmasterclass.com	ns-339.awsdns-42.com, ns-874.awsdns-45.net, ns-1083.awsdns-07.org, ns-1741.awsdns-25.co.uk	1 record

✅ Authoritative Response

Server: 205.251.196.59

NS records: ns-339.awsdns-42.com, ns-874.awsdns-45.net, ns-1083.awsdns-07.org, ns-1741.awsdns-25.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dvmasterclass.com (unsigned zone)

⏱️ Timing

Total: 544ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`16.148.230.217, 54.212.96.127`
NS	4	`ns-1083.awsdns-07.org, ns-1741.awsdns-25.co.uk...`
SOA	1	`ns-1083.awsdns-07.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-339.awsdns-42.com)

Analysis

IP Addresses

Two IP numbers are pointed to by dvmasterclass.com: 16.148.230.217 and 54.212.96.127.

Other host names, for instance dhyanvimalmasterclass.com, share IP numbers with dvmasterclass.com.

Name Servers

dvmasterclass.com delegates to four name servers: ns-339.awsdns-42.com, ns-874.awsdns-45.net, ns-1083.awsdns-07.org and ns-1741.awsdns-25.co.uk.

dvmasterclass.com at least partially shares name servers with other domains, for instance conversantbiologics.com, medicalwaste.ro, neoremax.com, gnu.ac.in and d11xdwh04sh8h.cloudfront.net.

These name servers are commonly used with ns-26.awsdns-03.com, ns-1090.awsdns-08.org, ns-1913.awsdns-47.co.uk, ns-1528.awsdns-63.org, ns-335.awsdns-41.com and ns-1674.awsdns-17.co.uk.

Host names with two IP numbers: ns-339.awsdns-42.com points to 2600:9000:5301:5300::1 and 205.251.193.83; ns-874.awsdns-45.net points to 2600:9000:5303:6a00::1 and 205.251.195.106; ns-1083.awsdns-07.org points to 2600:9000:5304:3b00::1 and 205.251.196.59; ns-1741.awsdns-25.co.uk points to 2600:9000:5306:cd00::1 and 205.251.198.205.

dvmasterclass.com - robtex.com