`mail.simcodinh.vn`

	DNSSEC	⚠️ Not signed
	A	103.57.221.86^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}

`simcodinh.vn`

	DNSSEC	⚠️ Not signed
	A	103.57.221.86^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}
	NS	`ns4.tenten.vn` ⭐
	NS	`ns5.tenten.vn`
	NS	`ns6.tenten.vn`
	MX	`mail.simcodinh.vn` ⭐
	TXT	`google-site-verification=-226ckur9D2PcBUGjV3EIVmHiM-QwGLj-ctWVNhxLqw`
	TXT	`v=spf1 mx a ip4:103.57.221.86 ~all`
	SOA	`ns4.tenten.vn`hostmaster@simcodinh.vn 2024-12-15 #16

MX for

simcodinh.vn

Same first word

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DNS History

4 records (1 active, 3 former)

○A103.18.6.222016-07-25 → 2016-08-04 · 5 obs

○ 2016-04-09 14:12:48
● 2016-07-25 08:40:34
● 2016-08-04 00:39:42
○ 2016-12-28 11:47:42
○ 2026-04-15 01:03:14

○A103.18.7.1562016-01-15 → 2016-04-09 · 4 obs

● 2016-01-15 19:51:04
● 2016-04-09 14:12:48
○ 2016-07-25 08:40:34
○ 2026-04-15 01:03:14

●A103.57.221.862026-02-17 → 2026-04-15 · 3 obs

○ 2016-12-28 11:47:42
● 2026-02-17 20:22:18
● 2026-04-15 01:03:14

○A42.112.30.1182016-12-28 → 2016-12-28 · 4 obs

○ 2016-08-04 00:39:42
● 2016-12-28 11:47:42
○ 2026-02-17 20:22:18
○ 2026-04-15 01:03:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
simcodinh.vn	ns4.tenten.vn, ns6.tenten.vn, ns5.tenten.vn	-

✅ Authoritative Response

Server:103.18.7.205

NS records: ns4.tenten.vn, ns6.tenten.vn, ns5.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simcodinh.vn (unsigned zone)

⏱️ Timing

Total: 1840ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.57.221.86`

Analysis

Mail Server Role

mail.simcodinh.vn is the mail server for simcodinh.vn.

IP Addresses

mail.simcodinh.vn points to a single IP number: 103.57.221.86.

other host names for instance no1.vn, fordthanhxuan.org, fordthanhxuan.net.vn, ebay.tongkhosimsodep.vn and hatgao.vn share IP numbers with mail.simcodinh.vn.

mail.simcodinh.vn - robtex.com