rfidmasterclass.com - dns.ninja

`rfidmasterclass.com`

DNSSEC	⚠️ Not signed
A	52.4.254.103^{🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix}
		PTR	`ec2-52-4-254-103.compute-1.amazonaws.com`
NS	`ns-620.awsdns-13.net` ⭐
		A	2600:9000:5302:6c00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-620.awsdns-13.net`
		A	205.251.194.108^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-620.awsdns-13.net`
NS	`ns-1145.awsdns-15.org`
		A	2600:9000:5304:7900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1145.awsdns-15.org`
		A	205.251.196.121^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1145.awsdns-15.org`
NS	`ns-1888.awsdns-44.co.uk`
		A	2600:9000:5307:6000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1888.awsdns-44.co.uk`
		A	205.251.199.96^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1888.awsdns-44.co.uk`
NS	`ns-200.awsdns-25.com`
		A	2600:9000:5300:c800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-200.awsdns-25.com`
		A	205.251.192.200^{🇺🇸 Amazon205.251.192.0/24 prefix}
SOA	`ns-620.awsdns-13.net`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=1782699585

Previously MX for

rfidmasterclass.com

Same first word

rfidmasterclass.com

DNS History

10 records (5 active, 5 former)

●NSns-1145.awsdns-15.org2016-12-29 → 2026-06-29 · 3 obs

○ 2016-04-26 20:17:18
● 2016-12-29 16:53:10
● 2026-06-29 02:35:56

●NSns-1888.awsdns-44.co.uk2016-12-29 → 2026-06-29 · 3 obs

○ 2016-04-26 20:17:18
● 2016-12-29 16:53:10
● 2026-06-29 02:35:56

●NSns-200.awsdns-25.com2016-12-29 → 2026-06-29 · 3 obs

○ 2016-04-26 20:17:18
● 2016-12-29 16:53:10
● 2026-06-29 02:35:56

●NSns-620.awsdns-13.net2016-12-29 → 2026-06-29 · 3 obs

○ 2016-04-26 20:17:18
● 2016-12-29 16:53:10
● 2026-06-29 02:35:56

○NSns.sourcedns.com2015-07-04 → 2016-04-26 · 4 obs

● 2015-07-04 06:37:42
● 2016-04-26 20:17:18
○ 2016-12-29 16:53:10
○ 2026-06-29 02:35:56

○NSns1.sourcedns.com2015-07-04 → 2016-04-26 · 4 obs

● 2015-07-04 06:37:42
● 2016-04-26 20:17:18
○ 2016-12-29 16:53:10
○ 2026-06-29 02:35:56

○MXrfidmasterclass.com2015-07-04 → 2016-04-26 · 4 obs

● 2015-07-04 06:37:42
● 2016-04-26 20:17:18
○ 2016-12-29 16:53:10
○ 2026-06-29 02:35:56

●A52.4.254.1032026-03-23 → 2026-06-29 · 3 obs

○ 2017-12-05 15:02:08
● 2026-03-23 12:27:36
● 2026-06-29 02:35:56

○A54.152.64.1102016-12-29 → 2017-12-05 · 5 obs

○ 2016-04-26 20:17:18
● 2016-12-29 16:53:10
● 2017-12-05 15:02:08
○ 2026-03-23 12:27:36
○ 2026-06-29 02:35:56

○A69.167.186.2392015-07-04 → 2016-04-26 · 4 obs

● 2015-07-04 06:37:42
● 2016-04-26 20:17:18
○ 2016-12-29 16:53:10
○ 2026-06-29 02:35:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rfidmasterclass.com	ns-200.awsdns-25.com, ns-620.awsdns-13.net, ns-1145.awsdns-15.org, ns-1888.awsdns-44.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.96

NS records: ns-200.awsdns-25.com, ns-620.awsdns-13.net, ns-1145.awsdns-15.org, ns-1888.awsdns-44.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfidmasterclass.com (unsigned zone)

⏱️ Timing

Total: 390ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.4.254.103`
NS	4	`ns-1145.awsdns-15.org, ns-1888.awsdns-44.co.uk...`
SOA	1	`ns-620.awsdns-13.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-200.awsdns-25.com, ns-200.awsdns-25.com)

Analysis

IP Addresses

rfidmasterclass.com resolves to one IP address: 52.4.254.103.

wearabletechnologyinsights.com, idtechex.co.uk, energyharvestingjournal.com and two other host names share IP numbers with rfidmasterclass.com.

Name Servers

The authoritative name servers for rfidmasterclass.com are ns-200.awsdns-25.com, ns-620.awsdns-13.net, ns-1145.awsdns-15.org and ns-1888.awsdns-44.co.uk.

The name servers of rfidmasterclass.com overlap at least partially with those of other domains — among them busybusiness.net, catchawave.jp, andyal(0x636f636b).org and two more.

Each of the four hosts ns-200.awsdns-25.com, ns-620.awsdns-13.net, ns-1145.awsdns-15.org and ns-1888.awsdns-44.co.uk has two IP addresses. ns-200.awsdns-25.com points to 205.251.192.200 and 2600:9000:5300:c800::1. ns-620.awsdns-13.net points to 205.251.194.108 and 2600:9000:5302:6c00::1. ns-1145.awsdns-15.org points to 205.251.196.121 and 2600:9000:5304:7900::1. ns-1888.awsdns-44.co.uk points to 205.251.199.96 and 2600:9000:5307:6000::1.