`mx-20.pc5.atmailcloud.com`

DNSSEC	⚠️ Not signed
A	13.237.46.187^{🇦🇺 Amazon13.236.0.0/14}
		PTR	`ec2-13-237-46-187.ap-southeast-2.compute.amazonaws.com`

`pc5.atmailcloud.com`

	DNSSEC	🔒 Signed (DS record present)
	A	16.176.99.81^{🇺🇸 Amazon16.176.0.0/16 EC2 Prefix for SYD}
	A	32.236.3.1^{🇺🇸 Amazon32.236.0.0/16 EC2 Prefix}
	A	54.252.105.73^{🇦🇺 Amazon54.252.0.0/17 AMAZON Australia Prefix}
	NS	`ns-644.awsdns-16.net` ⭐
	NS	`ns-1047.awsdns-02.org`
	NS	`ns-1680.awsdns-18.co.uk`
	NS	`ns-36.awsdns-04.com`
	MX	`mx-10.pc5.atmailcloud.com` ⭐
	MX	`mx-20.pc5.atmailcloud.com`⁽²⁰⁾
	TXT	`v=spf1 a:spf.pc5.atmailcloud.com ip4:103.150.252.0/24 -all`
	SOA	`ns-644.awsdns-16.net`awsdns-hostmaster@amazon.com serial=1

MX for

the-bryants.org

pc5.atmailcloud.com

the-bryants.net

Same first word

mx-20.com

Similar names

mx-02.de

DNS History

2 records (1 active, 1 former)

●A13.237.46.1872026-02-22 → 2026-04-11 · 3 obs

○ 2026-02-17 02:31:10
● 2026-02-22 06:49:22
● 2026-04-11 21:08:06

○A13.239.52.1872026-02-17 → 2026-02-17 · 3 obs

● 2026-02-17 02:31:10
○ 2026-02-22 06:49:22
○ 2026-04-11 21:08:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
atmailcloud.com	ns-49.awsdns-06.com, ns-977.awsdns-58.net, ns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk	1 record
pc5.atmailcloud.com	ns-1047.awsdns-02.org, ns-1680.awsdns-18.co.uk, ns-36.awsdns-04.com, ns-644.awsdns-16.net	-

✅ Authoritative Response

Server:205.251.194.132

NS records: ns-1047.awsdns-02.org, ns-1680.awsdns-18.co.uk, ns-36.awsdns-04.com, ns-644.awsdns-16.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.237.46.187`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-49.awsdns-06.com)

Analysis

Mail Server Role

mx-20.pc5.atmailcloud.com serves as the mail server for the-bryants.org, pc5.atmailcloud.com and the-bryants.net.

mx-10.pc5.atmailcloud.com is a mail server commonly used with mx-20.pc5.atmailcloud.com.

IP Addresses

mx-20.pc5.atmailcloud.com resolves to one IP number: 13.237.46.187.

Other host names such as mx-20.au-east.atmailcloud.com and ec2-13-237-46-187.ap-southeast-2.compute.amazonaws.com share IP numbers with mx-20.pc5.atmailcloud.com.

mx-20.pc5.atmailcloud.com - robtex.com