thuanthach.com - robtex.com

thuanthach.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8c79🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:46ec🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.236Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.121🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkara.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
A2803:f800:50::6ca2:c07b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkara.ns.cloudflare.com
A2a06:98c1:50::ac40:207b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkara.ns.cloudflare.com
A108.162.192.123🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
A172.64.32.123🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
A173.245.58.123🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
NSken.ns.cloudflare.com
A2606:4700:58::adf5:3b7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A2803:f800:50::6ca2:c17f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRken.ns.cloudflare.com
A2a06:98c1:50::ac40:217f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRken.ns.cloudflare.com
A108.162.193.127🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A172.64.33.127🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A173.245.59.127🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.236, 172.67.140.121
IPv6 hints2606:4700:3031::ac43:8c79, 2606:4700:3034::6815:46ec
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAkara.ns.cloudflare.comdns@cloudflare.com serial=2402453522

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=1778664491

Subdomains

mail.thuanthach.com

Same first word

thuanthach.com

DNS History

12 records (6 active, 6 former)

20192020202120222023202420252026NSkara.ns.cloudflare.comken.ns.cloudflare.comns1.dotvndns.vnns1.pavietnam.vnns2.pavietnam.vnnsbak.pavietnam.netMXmail.thuanthach.comA104.21.70.236172.67.140.1212606:4700:3031::ac43:8c792606:4700:3034::6815:46ec128.199.97.155
●NSkara.ns.cloudflare.com2026-02-15 → 2026-05-13 · 3 obs
○ 2018-11-06 20:36:06
● 2026-02-15 21:22:10
● 2026-05-13 09:47:36
●NSken.ns.cloudflare.com2026-02-15 → 2026-05-13 · 3 obs
○ 2018-11-06 20:36:06
● 2026-02-15 21:22:10
● 2026-05-13 09:47:36
○NSns1.dotvndns.vn2018-11-06 → 2018-11-06 · 3 obs
● 2018-11-06 20:36:06
○ 2026-02-15 21:22:10
○ 2026-05-13 09:47:36
○NSns1.pavietnam.vn2018-11-06 → 2018-11-06 · 3 obs
● 2018-11-06 20:36:06
○ 2026-02-15 21:22:10
○ 2026-05-13 09:47:36
○NSns2.pavietnam.vn2018-11-06 → 2018-11-06 · 3 obs
● 2018-11-06 20:36:06
○ 2026-02-15 21:22:10
○ 2026-05-13 09:47:36
○NSnsbak.pavietnam.net2018-11-06 → 2018-11-06 · 3 obs
● 2018-11-06 20:36:06
○ 2026-02-15 21:22:10
○ 2026-05-13 09:47:36
○MXmail.thuanthach.com2018-11-06 → 2026-02-17 · 4 obs
● 2018-11-06 20:36:06
● 2026-02-17 00:29:12
○ 2026-02-19 13:29:20
○ 2026-05-13 09:47:36
●A104.21.70.2362026-02-15 → 2026-05-13 · 3 obs
○ 2018-11-06 20:36:06
● 2026-02-15 21:22:10
● 2026-05-13 09:47:36
○A128.199.97.1552018-11-06 → 2018-11-06 · 3 obs
● 2018-11-06 20:36:06
○ 2026-02-15 21:22:10
○ 2026-05-13 09:47:36
●A172.67.140.1212026-02-15 → 2026-05-13 · 3 obs
○ 2018-11-06 20:36:06
● 2026-02-15 21:22:10
● 2026-05-13 09:47:36
●A2606:4700:3031::ac43:8c792026-02-15 → 2026-05-13 · 3 obs
○ 2018-11-06 20:36:06
● 2026-02-15 21:22:10
● 2026-05-13 09:47:36
●A2606:4700:3034::6815:46ec2026-02-15 → 2026-05-13 · 3 obs
○ 2018-11-06 20:36:06
● 2026-02-15 21:22:10
● 2026-05-13 09:47:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
thuanthach.comkara.ns.cloudflare.com, ken.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.127

NS records: kara.ns.cloudflare.com, ken.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thuanthach.com (unsigned zone)

⏱️ Timing

Total: 474ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.121, 104.21.70.236
AAAA22606:4700:3031::ac43:8c79, 2606:4700:3034::6815:46ec
NS2kara.ns.cloudflare.com, ken.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kara.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kara.ns.cloudflare.com, kara.ns.cloudflare.com, kara.ns.cloudflare.com...)

Analysis

Hierarchy

mail.thuanthach.com has thuanthach.com as its parent.

IP Addresses

thuanthach.com maps to four IP numbers: 2606:4700:3031::ac43:8c79, 2606:4700:3034::6815:46ec, 104.21.70.236 and 172.67.140.121.

Other host names, for instance auxontech.com, cityhomecleaning-paymentwell8.com, mail.thuanthach.com, mail.xn-----6kccbjqb1cbbfjsd7cmto4b7ick8ef.xn--p1ai and citistone.net share IP numbers with thuanthach.com.

Name Servers

Two name servers kara.ns.cloudflare.com and ken.ns.cloudflare.com are delegated to thuanthach.com.

thuanthach.com uses the same name server configuration as other domains, such as uflnewshub.com, investnativeonline.org, zerodha.co.in, onezerofour.com and zerodha.tech.

thuanthach.com at least partially shares name servers with other domains such as ultra-scs.com, truyenonline24h.com, asia7bet.biz, entgroup.ch and moreau.org.

These name servers are commonly used alongside lisa.ns.cloudflare.com, ns1.colocrossing.com and ns2.colocrossing.com.

Host names with six IP numbers: Host name kara.ns.cloudflare.com points to 2606:4700:50::adf5:3a7b, 2803:f800:50::6ca2:c07b, 2a06:98c1:50::ac40:207b, 108.162.192.123, 172.64.32.123 and 173.245.58.123; host name ken.ns.cloudflare.com points to 2606:4700:58::adf5:3b7f, 2803:f800:50::6ca2:c17f, 2a06:98c1:50::ac40:217f, 108.162.193.127, 172.64.33.127 and 173.245.59.127.