`mail.optizenk.com`

DNSSEC	⚠️ Not signed
A	103.200.23.236^{🇻🇳 VNPT-AS-VN103.200.23.0/24 VNPT-NET}
		PTR	`host236.vietnix.vn`

`optizenk.com`

	DNSSEC	⚠️ Not signed
	A	103.200.23.236^{🇻🇳 VNPT-AS-VN103.200.23.0/24 VNPT-NET}
	NS	`ns-a2.tenten.vn` ⭐
	NS	`ns-a1.tenten.vn`
	NS	`ns-a3.tenten.vn`
	MX	`mail.optizenk.com` ⭐
	TXT	`v=spf1mxaip4:103.200.23.236~all`
	SOA	`ns-a2.tenten.vn`noreply@tenten.vn serial=1748284745

MX for

optizenk.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A103.200.23.2362026-03-30 → 2026-04-15 · 2 obs

● 2026-03-30 17:36:36
● 2026-04-15 10:51:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
optizenk.com	ns-a1.tenten.vn, ns-a2.tenten.vn, ns-a3.tenten.vn	-

✅ Authoritative Response

Server:137.59.104.66

NS records: ns-a1.tenten.vn, ns-a2.tenten.vn, ns-a3.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optizenk.com (unsigned zone)

⏱️ Timing

Total: 1710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.200.23.236`

Analysis

Mail Server Role

mail.optizenk.com serves as the mail server for optizenk.com.

IP Addresses

mail.optizenk.com points to IP number 103.200.23.236.

For instance, other host names songloboat.com, shanshe.vn, kientrucapollo.vn, keymua.com and xeghepdichvudanangquangngai.com share IP numbers with mail.optizenk.com.

mail.optizenk.com - robtex.com