`mail.congthanh-forwarding.com`

CNAME	`pro40.emailserver.vn`
DNSSEC	⚠️ Not signed
A	103.110.129.140^{🇻🇳 AXYS-VN103.110.128.0/23}
		PTR	`pro40.emailserver.vn`

`congthanh-forwarding.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.vdconline.vn` ⭐
	NS	`ns2.vdconline.vn`
	MX	`pro40.emailserver.vn` ⭐
	TXT	`v=spf1 mx include:emailserver.vn include:spf.protection.outlook.com -all`
	SOA	`ns1.vdconline.vn`vdconline@tld 2023-08-31 #11

Previously MX for

congthanh-forwarding.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A203.162.96.782015-05-22 → 2016-07-14 · 4 obs

● 2015-05-22 02:01:28
● 2016-07-14 06:26:34
○ 2026-05-09 16:42:56
○ 2026-05-09 16:43:00

●CNAMEpro40.emailserver.vn2026-05-09 → 2026-05-09 · 2 obs

● 2026-05-09 16:42:56
● 2026-05-09 16:43:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
congthanh-forwarding.com	ns1.vdconline.vn, ns2.vdconline.vn	-

✅ Authoritative Response

Server:14.225.41.137

NS records: ns1.vdconline.vn, ns2.vdconline.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congthanh-forwarding.com (unsigned zone)

⏱️ Timing

Total: 4819ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`pro40.emailserver.vn`

Analysis

IP Addresses

mail.congthanh-forwarding.com points to an IP address: 103.110.129.140.

Other host names, for instance pro30.emailserver.vn and pro40.emailserver.vn, share IP numbers with mail.congthanh-forwarding.com.

mail.congthanh-forwarding.com - robtex.com