work.fastdo.vn - robtex.com

work.fastdo.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:af8f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5375🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.117Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.143🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.83.117, 172.67.175.143
IPv6 hints2606:4700:3032::ac43:af8f, 2606:4700:3037::6815:5375
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com

fastdo.vn

DNSSEC⚠️ Not signed
A116.118.51.76🇻🇳 AZDIGI-AS-VN116.118.48.0/22 SPT-VN AZDIGI - Customer of SPT
NSmagali.ns.cloudflare.com ⭐
NSmatt.ns.cloudflare.com
MXalt3.aspmx.l.google.com ⭐
MXalt4.aspmx.l.google.com(5)
MXmx2.zoho.com(10)
MXmx3.zoho.com(10)
MXaspmx.l.google.com(20)
MXmx.zoho.com(20)
MXalt1.aspmx.l.google.com(50)
MXalt2.aspmx.l.google.com(50)
TXTgoogle-site-verification=2mqODe1_Hem8DKJI0BYXxs5JEDAiPk1fWoacBD4wFX0
TXTgoogle-site-verification=9FyGvrtSLrvDenbb6c_iKQeqx3Jf7dFaRvwJ5gU8Mfc
TXTgoogle-site-verification=BIxnTXMIZYmzOzvhJMXnq5NqsBHNMF6naqFblLFxyu8
TXTgoogle-site-verification=G6nMXyFgr4HJcAgTQTeKLt9R6S2TOZZXm_b_EUKWvio
TXTgoogle-site-verification=QTZeuApXewWz-XFLAotHEoTgj5dPp70pNtHM66Fz3-I
TXTgoogle-site-verification=sNJmv5Q3QVC5A7e51kzgZbJq2C5oi4m4BI_saxYvZGI
TXTv=spf1 mx a ip4:125.212.243.229 include:_spf.google.com include:amazonses.com...
TXTzoho-verification=zb04972662.zmverify.zoho.com
SOAmagali.ns.cloudflare.comdns@cloudflare.com serial=2402290037

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DNS History

4 records (4 active, 0 former)

A104.21.83.117172.67.175.1432606:4700:3032::ac43:af8f2606:4700:3037::6815:5375
●A104.21.83.1172026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 15:05:04
● 2026-05-10 02:57:10
●A172.67.175.1432026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 15:05:04
● 2026-05-10 02:57:10
●A2606:4700:3032::ac43:af8f2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 15:05:04
● 2026-05-10 02:57:10
●A2606:4700:3037::6815:53752026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 15:05:04
● 2026-05-10 02:57:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
fastdo.vnmagali.ns.cloudflare.com, matt.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.131

NS records: magali.ns.cloudflare.com, matt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fastdo.vn (unsigned zone)

⏱️ Timing

Total: 836ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.83.117, 172.67.175.143
AAAA22606:4700:3032::ac43:af8f, 2606:4700:3037::6815:5375
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

work.fastdo.vn resolves to four IPs: 2606:4700:3032::ac43:af8f, 2606:4700:3037::6815:5375, 104.21.83.117 and 172.67.175.143.

Other host names such as gaotaichao.com, aiservice.fastdo.vn, securmeet.com, anterwashna.com and kodify.net share IP numbers with work.fastdo.vn.