mx1-sysmic.atmailcloud.com - robtex.com

mx1-sysmic.atmailcloud.com

CNAMEmx-10.us-east.atmailcloud.com
DNSSEC⚠️ Not signed
A54.158.18.253πŸ‡ΊπŸ‡Έ Amazon54.156.0.0/14 EC2 IAD prefix
PTRec2-54-158-18-253.compute-1.amazonaws.com

atmailcloud.com

DNSSEC⚠️ Not signed
NSns-1879.awsdns-42.co.uk ⭐
NSns-1186.awsdns-20.org
NSns-49.awsdns-06.com
NSns-977.awsdns-58.net
MXatmailcloud-com.mail.protection.outlook.com ⭐
TXT02xtbmdbsdl233bnnkvj97mt0f6fkly8
TXTMS=ms92968268
TXT_bnhpd6un1n96zt37965kb76e6013vm8
TXT_qiswyh8qlbc7k3h3p77yfbp1ojlekp8
TXTgoogle-site-verification=ow5YerYjmntWvRJtg8EiCT_WABLSD8u7oyBnXMyqeSY
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns-1879.awsdns-42.co.ukawsdns-hostmaster@amazon.com serial=1
πŸ“ˆ Tranco rank: #18,189

Previously MX for

DNS History

7 records (1 active, 6 former)

20162017201820192020202120222023202420252026A198.11.230.164198.11.230.165198.11.230.166198.11.230.167204.145.97.11204.145.97.12CNAMEmx-10.us-east.atmailcloud.com
β—‹A198.11.230.1642015-05-24 β†’ 2016-03-11 Β· 4 obs
● 2015-05-24 11:04:36
● 2016-03-11 10:00:14
β—‹ 2016-06-17 19:53:10
β—‹ 2026-05-14 07:32:18
β—‹A198.11.230.1652015-05-24 β†’ 2016-03-11 Β· 4 obs
● 2015-05-24 11:04:36
● 2016-03-11 10:00:14
β—‹ 2016-06-17 19:53:10
β—‹ 2026-05-14 07:32:18
β—‹A198.11.230.1662015-05-24 β†’ 2016-03-11 Β· 4 obs
● 2015-05-24 11:04:36
● 2016-03-11 10:00:14
β—‹ 2016-06-17 19:53:10
β—‹ 2026-05-14 07:32:18
β—‹A198.11.230.1672015-05-24 β†’ 2016-03-11 Β· 4 obs
● 2015-05-24 11:04:36
● 2016-03-11 10:00:14
β—‹ 2016-06-17 19:53:10
β—‹ 2026-05-14 07:32:18
β—‹A204.145.97.112016-06-17 β†’ 2016-12-24 Β· 4 obs
β—‹ 2016-03-11 10:00:14
● 2016-06-17 19:53:10
● 2016-12-24 01:50:06
β—‹ 2026-05-14 07:32:18
β—‹A204.145.97.122016-06-17 β†’ 2016-12-24 Β· 4 obs
β—‹ 2016-03-11 10:00:14
● 2016-06-17 19:53:10
● 2016-12-24 01:50:06
β—‹ 2026-05-14 07:32:18
●CNAMEmx-10.us-east.atmailcloud.com2026-05-14 β†’ 2026-05-14 Β· 1 obs
● 2026-05-14 07:32:18

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...-
atmailcloud.comns-49.awsdns-06.com, ns-977.awsdns-58.net, ns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk2 records
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-
atmailcloud.comns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net-

βœ… Authoritative Response

Server:205.251.196.162

NS records: ns-1186.awsdns-20.org, ns-1879.awsdns-42.co.uk, ns-49.awsdns-06.com, ns-977.awsdns-58.net

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2650ms | Queries: -

πŸ“„ Records

TypeCountSample Data
CNAME1mx-10.us-east.atmailcloud.com

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-49.awsdns-06.com, ns-49.awsdns-06.com)

Analysis

IP Addresses

mx1-sysmic.atmailcloud.com resolves to a single IP: 54.158.18.253.

Other host names including mx-10.pc3.atmailcloud.com, ec2-54-158-18-253.compute-1.amazonaws.com and mx-10.us-east.atmailcloud.com share IP numbers with mx1-sysmic.atmailcloud.com.