`mx13.duacommunication.com`

DNSSEC	⚠️ Not signed
A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
		PTR	`mx2.zoho.com`
		PTR	`mx3.zoho.com`
		PTR	`mx.zoho.com`
		PTR	`mx2.zohomail.com`
		PTR	`mx3.zohomail.com`
		PTR	`mx.zohomail.com`

`duacommunication.com`

	DNSSEC	⚠️ Not signed
	A	209.74.68.24^{🇺🇸 NAMCHEAP-PH209.74.68.0/24}
	NS	`monika.ns.cloudflare.com` ⭐
	NS	`rudy.ns.cloudflare.com`
	MX	`mx10.duacommunication.com` ⭐
	MX	`mx2.duacommunication.com`⁽¹⁰⁾
	MX	`mx3.duacommunication.com`⁽¹⁵⁾
	MX	`mx4.duacommunication.com`⁽²⁰⁾
	MX	`mx5.duacommunication.com`⁽²⁵⁾
	MX	`mx6.duacommunication.com`⁽³⁰⁾
	MX	`mx7.duacommunication.com`⁽³⁵⁾
	MX	`mx8.duacommunication.com`⁽⁴⁰⁾
	MX	`mx9.duacommunication.com`⁽⁴⁵⁾
	MX	`mx11.duacommunication.com`⁽⁵⁰⁾
	MX	`mx12.duacommunication.com`⁽⁵⁵⁾
	MX	`mx13.duacommunication.com`⁽⁶⁰⁾
	MX	`mx1.duacommunication.com`⁽⁶⁵⁾
	TXT	`MS=ms18115044`
	TXT	`_233up3o4wlk2xjpwi20eiyp82orlpj0`
	TXT	`google-site-verification=B5gLVu1gvkjhw5Uwnem8CnDUGn_8G1Hbicvf1WT-DNU`
	TXT	`google-site-verification=mxYotrSkB4lnINlQjFTzCRe4aIuEseqEY4ehCxsFjmw`
	TXT	`openai-domain-verification=dv-LExqjwskDHCPCyVglDjBZHKj`
	TXT	`pinterest-site-verification=53edaad75d4dee969cc9f6a0bd61a498`
	TXT	`v=spf1 include:_spf.duacommunication.com ~all`
	TXT	`zoho-verification=zb03908540.zmverify.zoho.com`
	SOA	`monika.ns.cloudflare.com`dns@cloudflare.com serial=2401545417

⚠️ On DNS blocklist: tif

MX for

duacommunication.com

Same first word

mx13.com

mx13.eu

Similar names

13xm.cn

mx31.net

31xm.com

xm31.com

m13x.com

m3x1.cn

1m3x.icu

13xm.com

DNS History

1 record (1 active, 0 former)

●A136.143.183.442026-03-19 → 2026-04-14 · 2 obs

● 2026-03-19 08:06:18
● 2026-04-14 07:40:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duacommunication.com	rudy.ns.cloudflare.com, monika.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.229

NS records: rudy.ns.cloudflare.com, monika.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 132ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.143.183.44`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rudy.ns.cloudflare.com, rudy.ns.cloudflare.com, rudy.ns.cloudflare.com...)

Analysis

Mail Server Role

mx13.duacommunication.com serves as the mail server for duacommunication.com.

Commonly, mx1.duacommunication.com, mx2.duacommunication.com and mx3.duacommunication.com serve as mail server together with mx13.duacommunication.com.

IP Addresses

mx13.duacommunication.com points to IP number 136.143.183.44.

For instance, other host names mx7.zoho.com, mx2.zoho.com.grupogoit.cloud, mail.sanpaulo.co.th, mail.nevadalink.com and mx.zoho.com share IP numbers with mx13.duacommunication.com.

mx13.duacommunication.com - robtex.com