dongdoco.com - robtex.com

dongdoco.com

DNSSEC⚠️ Not signed
A203.205.31.221🇻🇳 CMC-1203.205.31.0/24 CMCTELECOM-VN
PTRstatic.cmcti.vn
NSns1.pavietnam.vn ⭐
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns1.dotvndns.vn
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns2.dotvndns.vn
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSnsbak.dotvndns.com
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 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
PTRns8922.dotvndns.vn
MXmail.dongdoco.com ⭐
A118.69.204.202🇻🇳 FPT-AS-AP118.69.192.0/20 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRwebhost16.fptdata.vn
PTRmail.nguonsongviet.vn
PTRmail.cdimex.com.vn
PTRmail.qttelecom.com.vn
PTRmail.tncom.com.vn
TXTv=spf1 mx a:mail.dongdoco.com ip4:118.69.204.202 include:_spf.fptdata.net -all
TXTgoogle-site-verification=guliNu8i8W0WcpBF2iYVCI2NX9z3Slvlbk_zrWzO1Ck
SOAns1.pavietnam.vnhostmaster@dongdoco.com 2025-12-06 #8

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774391212

Subdomains

mail.dongdoco.com

Same first word

dongdoco.com
dongdoco.vn

DNS History

12 records (6 active, 6 former)

200920112013201520172019202120232025NSns1.dotvndns.vnns1.pavietnam.vnns2.dotvndns.vnnsbak.dotvndns.comdns1.hcm.fpt.vndns13.fpt.vndns14.fpt.vndns2.hcm.fpt.vnMXmail.dongdoco.comA203.205.31.221103.48.195.50118.69.170.203
○NSdns1.hcm.fpt.vn2008-03-10 → 2018-08-24 · 4 obs
● 2008-03-10 22:46:40
● 2018-08-24 16:29:46
○ 2026-02-21 19:03:14
○ 2026-03-24 22:29:18
○NSdns13.fpt.vn2015-08-15 → 2018-08-24 · 5 obs
○ 2008-03-10 22:46:40
● 2015-08-15 05:35:28
● 2018-08-24 16:29:46
○ 2026-02-21 19:03:14
○ 2026-03-24 22:29:18
○NSdns14.fpt.vn2015-08-15 → 2018-08-24 · 5 obs
○ 2008-03-10 22:46:40
● 2015-08-15 05:35:28
● 2018-08-24 16:29:46
○ 2026-02-21 19:03:14
○ 2026-03-24 22:29:18
○NSdns2.hcm.fpt.vn2008-03-10 → 2018-08-24 · 4 obs
● 2008-03-10 22:46:40
● 2018-08-24 16:29:46
○ 2026-02-21 19:03:14
○ 2026-03-24 22:29:18
●NSns1.dotvndns.vn2026-02-21 → 2026-03-24 · 3 obs
○ 2018-08-24 16:29:46
● 2026-02-21 19:03:14
● 2026-03-24 22:29:18
●NSns1.pavietnam.vn2026-02-21 → 2026-03-24 · 3 obs
○ 2018-08-24 16:29:46
● 2026-02-21 19:03:14
● 2026-03-24 22:29:18
●NSns2.dotvndns.vn2026-02-21 → 2026-03-24 · 3 obs
○ 2018-08-24 16:29:46
● 2026-02-21 19:03:14
● 2026-03-24 22:29:18
●NSnsbak.dotvndns.com2026-02-21 → 2026-03-24 · 3 obs
○ 2018-08-24 16:29:46
● 2026-02-21 19:03:14
● 2026-03-24 22:29:18
●MXmail.dongdoco.com2015-08-15 → 2026-03-24 · 3 obs
○ 2008-03-10 22:46:40
● 2015-08-15 05:35:28
● 2026-03-24 22:29:18
○A103.48.195.502018-08-24 → 2018-08-24 · 4 obs
○ 2016-12-13 06:58:34
● 2018-08-24 16:29:46
○ 2026-02-21 19:03:14
○ 2026-03-24 22:29:18
○A118.69.170.2032015-08-15 → 2016-12-13 · 5 obs
○ 2008-03-10 22:46:40
● 2015-08-15 05:35:28
● 2016-12-13 06:58:34
○ 2018-08-24 16:29:46
○ 2026-03-24 22:29:18
●A203.205.31.2212026-02-21 → 2026-03-24 · 3 obs
○ 2018-08-24 16:29:46
● 2026-02-21 19:03:14
● 2026-03-24 22:29:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
dongdoco.comnsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn2 records

✅ Authoritative Response

Server:222.255.121.247

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dongdoco.com (unsigned zone)

⏱️ Timing

Total: 1636ms | Queries: -

📄 Records

TypeCountSample Data
A1203.205.31.221
NS3nsbak.dotvndns.com, ns1.dotvndns.vn...
MX1mail.dongdoco.com (pri: 10)
TXT2google-site-verification=guliNu8i8W0WcpB, v=spf1 mx a:mail.dongdoco.com ip4:118.69
SOA1ns1.pavietnam.vn hostmaster.dongdoco.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

Hierarchy

dongdoco.com is a parent of mail.dongdoco.com.

IP Addresses

dongdoco.com points to a single IP number: 203.205.31.221.

Other host names, for instance pdmv.com, phuongchau.com, phucthanhaudio.vn, vietnhatplastic.com and banmaischool.edu.vn share IP numbers with dongdoco.com.

Name Servers

dongdoco.com is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns1.pavietnam.vn.

dongdoco.com at least partially shares name servers with other domains, for instance seowebchuyennghiep.com, controls.vn, aoccms-ap.com, offices.vn and tuannghibinhduong.com.

These name servers are commonly used alongside ns2.pavietnam.vn, nsbak.pavietnam.net, ns3.dotvndns.vn and nsbak.dotvndns.vn.

Names with two IPs:

nsbak.dotvndns.com resolves to 2406:9c80::9000:302 and 112.213.89.22.

ns1.dotvndns.vn resolves to 2406:9c80::66 and 112.213.89.3.

ns2.dotvndns.vn resolves to 2406:9c80::9000:111 and 222.255.121.247.

ns1.pavietnam.vn resolves to 2406:9c80::66 and 112.213.89.3.

Names resolving to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn.

Names resolving to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn.

Pattern: ns1.dotvndns.vn and ns1.pavietnam.vn share the two IPs 2406:9c80::66 and 112.213.89.3.

Mail Servers

dongdoco.com is handled by a single mail server, mail.dongdoco.com.

mail.dongdoco.com points to a single IP: 118.69.204.202.