www.techup.vn - robtex.com

www.techup.vn

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2612🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:da04🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.18Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.4🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.38.18, 172.67.218.4
IPv62606:4700:3034::6815:2612, 2606:4700:3036::ac43:da04

techup.vn

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2612🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:da04🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.18Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.4🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com ⭐
NSjessica.ns.cloudflare.com
MXmx1.larksuite.com ⭐
MXmx2.larksuite.com(5)
MXmx3.larksuite.com(10)
TXTgoogle-site-verification=LYgH60nUd1-0vpe0bBuhYh34nEzu1Py4OXGjHRwRjjs
TXTgoogle-site-verification=iXQXbEc7f9ZzsdjrqtLGSPvqr4w01qQylHopYV5Ch70
TXTgoogle-site-verification=wR2-xtneTXgJZrTI-RCM7WQBSsDNC61zRSx5CNjGYNw
TXThosted-email-verify=8jnemkfa
TXTv=spf1 +include:spf.onlarksuite.com -all
TXTverification-code-site-App_lark=6c6EToBKXpVSEjtyAeeY
TXTverification-code-site-App_lark=Epg1WO0PHeJ3lGzHBKGI
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.38.18, 172.67.218.4
IPv62606:4700:3034::6815:2612, 2606:4700:3036::ac43:da04
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2396650745

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DNS History

8 records (4 active, 4 former)

201820192020202120222023202420252026A104.21.38.18172.67.218.42606:4700:3034::6815:26122606:4700:3036::ac43:da04104.18.46.25104.18.47.252400:cb00:2048:1::6812:2e192400:cb00:2048:1::6812:2f19
○A104.18.46.252017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 16:02:22
○ 2026-03-04 10:36:28
○ 2026-03-26 22:03:58
○A104.18.47.252017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 16:02:22
○ 2026-03-04 10:36:28
○ 2026-03-26 22:03:58
●A104.21.38.182026-03-04 → 2026-03-26 · 3 obs
○ 2017-05-07 16:02:22
● 2026-03-04 10:36:28
● 2026-03-26 22:03:58
●A172.67.218.42026-03-04 → 2026-03-26 · 3 obs
○ 2017-05-07 16:02:22
● 2026-03-04 10:36:28
● 2026-03-26 22:03:58
○A2400:cb00:2048:1::6812:2e192017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 16:02:22
○ 2026-03-04 10:36:28
○ 2026-03-26 22:03:58
○A2400:cb00:2048:1::6812:2f192017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 16:02:22
○ 2026-03-04 10:36:28
○ 2026-03-26 22:03:58
●A2606:4700:3034::6815:26122026-03-04 → 2026-03-26 · 3 obs
○ 2017-05-07 16:02:22
● 2026-03-04 10:36:28
● 2026-03-26 22:03:58
●A2606:4700:3036::ac43:da042026-03-04 → 2026-03-26 · 3 obs
○ 2017-05-07 16:02:22
● 2026-03-04 10:36:28
● 2026-03-26 22:03:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
techup.vnjessica.ns.cloudflare.com, duke.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.110

NS records: jessica.ns.cloudflare.com, duke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techup.vn (unsigned zone)

⏱️ Timing

Total: 839ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.38.18, 172.67.218.4
AAAA22606:4700:3036::ac43:da04, 2606:4700:3034::6815:2612
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.techup.vn points to four IP numbers: 2606:4700:3034::6815:2612, 2606:4700:3036::ac43:da04, 104.21.38.18 and 172.67.218.4.

For instance, other host names senopati.co, receiving-payment.world, hiddenlolcdn.com, atcstory.com and ktlwulkjhxmhb.space share IP numbers with www.techup.vn.