postcode.vn - robtex.com

postcode.vn

DNSSEC⚠️ Not signed
NSdns1.vnpost.vn ⚠️ Not in zone NS records
A103.196.16.2🇻🇳 CMC-5103.196.16.0/24 VNPOST-VN
NSdns2.vnpost.vn ⚠️ Not in zone NS records
A103.196.16.3🇻🇳 CMC-5103.196.16.0/24 VNPOST-VN
NSdns3.vnpost.vn ⚠️ Not in zone NS records
A103.196.16.4🇻🇳 CMC-5103.196.16.0/24 VNPOST-VN

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030751029

Same first word

postcode.nu
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postcode.one
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postcode.site
postcode.us
postcode.co.nz
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postcode.lt
postcode.eu
postcode.com
postcode.nl
postcode.online
postcode.ru
postcode.directory
postcode.cn
postcode.net
postcode.ro

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DNS History

5 records (3 active, 2 former)

2020202120222023202420252026NSdns1.vnpost.vndns2.vnpost.vndns3.vnpost.vndns-private-01A103.196.16.6
○NSdns-private-012019-02-12 → 2019-02-12 · 3 obs
● 2019-02-12 11:10:52
○ 2026-04-25 11:02:20
○ 2026-05-09 06:31:18
●NSdns1.vnpost.vn2019-02-12 → 2026-05-09 · 2 obs
● 2019-02-12 11:10:52
● 2026-05-09 06:31:18
●NSdns2.vnpost.vn2019-02-12 → 2026-05-09 · 2 obs
● 2019-02-12 11:10:52
● 2026-05-09 06:31:18
●NSdns3.vnpost.vn2019-02-12 → 2026-05-09 · 2 obs
● 2019-02-12 11:10:52
● 2026-05-09 06:31:18
○A103.196.16.62019-02-12 → 2019-02-12 · 3 obs
● 2019-02-12 11:10:52
○ 2026-04-25 11:02:20
○ 2026-05-09 06:31:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnb.dns-servers.vn, e.dns-servers.vn, h.dns-servers.vn, d.dns-servers.vn...-
postcode.vndns3.vnpost.vn, dns2.vnpost.vn, dns1.vnpost.vn3 records

✅ Authoritative Response

Server:103.196.16.4

NS records: dns3.vnpost.vn, dns2.vnpost.vn, dns1.vnpost.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postcode.vn (unsigned zone)

⏱️ Timing

Total: 1314ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns1.vnpost.vn, dns2.vnpost.vn, dns3.vnpost.vn)

Analysis

Name Servers

postcode.vn is delegated to three name servers: dns1.vnpost.vn, dns2.vnpost.vn and dns3.vnpost.vn.

At least part of the name servers for postcode.vn are shared with other domains, for instance postpay.vn, ipostmap.vn, postjoy.vn, diachiso.gov.vn and vnpost.vn.

These name servers are often used together with vnpost-dns-wind, dns-private and vnpost-vn.

Host names with a single IP:

dns1.vnpost.vn points to: 103.196.16.2

dns2.vnpost.vn points to: 103.196.16.3

dns3.vnpost.vn points to: 103.196.16.4