mail.developermastery.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.developermastery.com`

DNSSEC

⚠️ Not signed

`developermastery.com`

	DNSSEC	⚠️ Not signed
	A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
	NS	`ns-cloud-b1.googledomains.com` ⭐
	NS	`ns-cloud-b2.googledomains.com`
	NS	`ns-cloud-b3.googledomains.com`
	NS	`ns-cloud-b4.googledomains.com`
	MX	`mx2.zoho.com` ⭐
	MX	`mx.zoho.com`⁽²⁰⁾
	MX	`mx3.zoho.com`⁽⁵⁰⁾
	TXT	`v=spf1 include:zoho.com ~all`
	SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=5

Previously MX for

developermastery.com

Same first word

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Previous names

Next names

DNS History

1 record (0 active, 1 former)

○A50.116.93.1562019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 22:35:38
○ 2026-08-22 14:58:44
○ 2026-08-23 06:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
developermastery.com	ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.34.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 489ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)