`mail.progressivemastery.com`

	DNSSEC	⚠️ Not signed
	A	208.73.209.18^{🇻🇬 AS401348208.73.209.0/24}

`progressivemastery.com`

	DNSSEC	⚠️ Not signed
	A	208.73.209.18^{🇻🇬 AS401348208.73.209.0/24}
	NS	`ns.buydomains.com` ⭐ ⚠️ Not in zone NS records
	NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
	SOA	`ns.buydomains.com`bd-operations@namemedia.com 2023-02-05 #16

Previously MX for

progressivemastery.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A103.21.180.452015-06-06 → 2016-03-22 · 4 obs

● 2015-06-06 20:15:00
● 2016-03-22 00:59:04
○ 2026-02-15 18:09:40
○ 2026-03-24 18:42:14

●A208.73.209.182026-02-15 → 2026-03-24 · 3 obs

○ 2016-03-22 00:59:04
● 2026-02-15 18:09:40
● 2026-03-24 18:42:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
progressivemastery.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for progressivemastery.com (unsigned zone)

⏱️ Timing

Total: 1341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.73.209.18`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

mail.progressivemastery.com resolves to one IP number: 208.73.209.18.

Other host names, for instance vectorengineering.com, powercolors.com, mail.catarinense.net, sleepperformance.com and preventionpro.com share IP numbers with mail.progressivemastery.com.

mail.progressivemastery.com - robtex.com