mail.qdc.vn - robtex.com

mail.qdc.vn

DNSSEC⚠️ Not signed
A103.77.162.21🇻🇳 SUPERDATA103.77.162.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRrevolution.maychu.cloud

qdc.vn

DNSSEC⚠️ Not signed
A112.213.89.38🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
NSns1.pavietnam.vn ⭐
NSns2.pavietnam.vn
NSnsbak.pavietnam.net
MXmail.qdc.vn ⭐
TXTv=spf1 ip4:103.77.162.21 +a +mx ~all
TXTgoogle-site-verification=wYtQYeUKL_U1kPPYwJvNSyDmk63qnapbUphXXWdgu08
TXTgoogle-site-verification=ptSFfBSTVnhhgUXs9ALWPtJhc4YnuHoCP6xra6rpbNs
TXTgoogle-site-verification=4Iri8UhU5rqV6DYRevTM04XAndC3U3gTbHC6stzSvIE
SOAns1.pavietnam.vnhostmaster@qdc.vn 2026-04-21 #46

MX for

qdc.vn

Same first word

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DNS History

2 records (1 active, 1 former)

202120222023202420252026A103.77.162.21112.213.89.145
●A103.77.162.212026-05-08 → 2026-05-09 · 3 obs
○ 2020-02-09 21:18:06
● 2026-05-08 14:12:12
● 2026-05-09 20:38:18
○A112.213.89.1452020-02-09 → 2020-02-09 · 3 obs
● 2020-02-09 21:18:06
○ 2026-05-08 14:12:12
○ 2026-05-09 20:38:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnh.dns-servers.vn, a.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn...-
qdc.vnns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn4 records

✅ Authoritative Response

Server:112.213.89.22

NS records: ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qdc.vn (unsigned zone)

⏱️ Timing

Total: 1951ms | Queries: -

📄 Records

TypeCountSample Data
A1103.77.162.21

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)

Analysis

Mail Server Role

mail.qdc.vn serves as the mail server for qdc.vn.

IP Addresses

mail.qdc.vn points to a single IP: 103.77.162.21.

Other host names, for instance maybomnuoc.org.vn, ecobio.com.vn, daithanhonline.com.vn, cpcalendars.aston.edu.vn and thepvinaone.com share IP numbers with mail.qdc.vn.