`techup.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2612^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:da04^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.18^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.4^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`jessica.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jessica.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jessica.ns.cloudflare.com`
		A	108.162.192.171^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	172.64.32.171^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
		A	173.245.58.171^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jessica.ns.cloudflare.com`
MX	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`google-site-verification=LYgH60nUd1-0vpe0bBuhYh34nEzu1Py4OXGjHRwRjjs`
TXT	`google-site-verification=iXQXbEc7f9ZzsdjrqtLGSPvqr4w01qQylHopYV5Ch70`
TXT	`google-site-verification=wR2-xtneTXgJZrTI-RCM7WQBSsDNC61zRSx5CNjGYNw`
TXT	`hosted-email-verify=8jnemkfa`
TXT	`v=spf1 +include:spf.onlarksuite.com -all`
TXT	`verification-code-site-App_lark=6c6EToBKXpVSEjtyAeeY`
TXT	`verification-code-site-App_lark=Epg1WO0PHeJ3lGzHBKGI`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.38.18, 172.67.218.4
		IPv6	2606:4700:3034::6815:2612, 2606:4700:3036::ac43:da04
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2396650745

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030587037

Subdomains

www.techup.vn

Same first word

techup.com.au

techup.at

techup.com

techup.pl

techup.io

techup.de

techup.eu

techup.space

techup.ch

techup.us

techup.co

techup.nz

techup.org

techup.lt

techup.mk

techup.no

techup.it

techup.net

techup.pro

techup.ir

techup.se

techup.vn

techup.ru

Similar names

chupet.com

upetch.com

thecup.ru

thepuc.com

uptech.de

uptech.ru

uptech.cz

uptech.net

etchup.com

thecup.s3.amazonaws.com

uptech.eu

uptech.fr

uptech.ac.th

uptech.dk

uptech.es

uptech.com.au

peutch.ch

thepcu.org

putech.pro

thecup.com.au

thecpu.com

thecup.co

theupc.com

putech.org

chetup.com

thepcu.net

epchut.com

uptech.cl

thecup.ca

putech.cn

hepcut.be

uptech.ai

petuch.com

uptech.com

uptech.solutions

uptech.co.uk

uptech.me

uptech.nl

petuch.de

puchet.fr

putech.com.au

theucp.org

uptech.team

putech.com

putech.ru

uptech.ch

uptech.it

uptech.ca

uptech.com.tw

uptech.at

uptech.cc

uptech.ee

thecup.org

uptech.be

uptech.se

putech.info

petchu.com

puchet.com

putech.net

thecup.us

uptech.co

DNS History

16 records (9 active, 7 former)

●NSduke.ns.cloudflare.com2017-03-16 → 2026-03-26 · 2 obs

● 2017-03-16 14:24:52
● 2026-03-26 16:30:40

●NSjessica.ns.cloudflare.com2017-03-16 → 2026-03-26 · 2 obs

● 2017-03-16 14:24:52
● 2026-03-26 16:30:40

○MXmx.zoho.com2017-03-16 → 2018-03-21 · 4 obs

● 2017-03-16 14:24:52
● 2018-03-21 10:34:44
○ 2026-03-04 10:36:28
○ 2026-03-26 16:30:40

●MXmx1.larksuite.com2026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

●MXmx2.larksuite.com2026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

○MXmx2.zoho.com2017-03-16 → 2018-03-21 · 4 obs

● 2017-03-16 14:24:52
● 2018-03-21 10:34:44
○ 2026-03-04 10:36:28
○ 2026-03-26 16:30:40

●MXmx3.larksuite.com2026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

○MXmx3.zoho.com2017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 14:24:52
○ 2018-03-21 10:34:44
○ 2026-03-26 16:30:40

○A104.18.46.252017-03-16 → 2018-03-21 · 4 obs

● 2017-03-16 14:24:52
● 2018-03-21 10:34:44
○ 2026-03-04 10:36:28
○ 2026-03-26 16:30:40

○A104.18.47.252017-03-16 → 2018-03-21 · 4 obs

● 2017-03-16 14:24:52
● 2018-03-21 10:34:44
○ 2026-03-04 10:36:28
○ 2026-03-26 16:30:40

●A104.21.38.182026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

●A172.67.218.42026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

○A2400:cb00:2048:1::6812:2e192017-03-16 → 2018-03-21 · 4 obs

● 2017-03-16 14:24:52
● 2018-03-21 10:34:44
○ 2026-03-04 10:36:28
○ 2026-03-26 16:30:40

○A2400:cb00:2048:1::6812:2f192017-03-16 → 2018-03-21 · 4 obs

● 2017-03-16 14:24:52
● 2018-03-21 10:34:44
○ 2026-03-04 10:36:28
○ 2026-03-26 16:30:40

●A2606:4700:3034::6815:26122026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

●A2606:4700:3036::ac43:da042026-03-04 → 2026-03-26 · 3 obs

○ 2018-03-21 10:34:44
● 2026-03-04 10:36:28
● 2026-03-26 16:30:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, d.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn...	-
techup.vn	duke.ns.cloudflare.com, jessica.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.171

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techup.vn (unsigned zone)

⏱️ Timing

Total: 2173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.18, 172.67.218.4`
AAAA	2	`2606:4700:3036::ac43:da04, 2606:4700:3034::6815:2612`
NS	2	`duke.ns.cloudflare.com, jessica.ns.cloudflare.com`
MX	3	`mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...`
TXT	7	`google-site-verification=LYgH60nUd1-0vpe, google-site-verification=iXQXbEc7f9Zzsdj...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

techup.vn is parent of www.techup.vn.

IP Addresses

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.

Other host names, for instance registrationlogic.com, pl-3739.cfd, usust.top, agrotv.md and gw.legal share IP numbers with techup.vn.

Name Servers

techup.vn's delegation is to two name servers duke.ns.cloudflare.com and jessica.ns.cloudflare.com.

techup.vn shares the same name server configuration as other domains, such as menemi.com, coachthungo.com, heyi.am, shlubbo.com and wscasia.com.my.

techup.vn at least partially shares its name servers with other domains, for instance southyorkshire-pcc.gov.uk, mangia.com, tiguanforum.net, mensageria.net and pxh0.com.

these name servers are commonly used together with cash.ns.cloudflare.com, jaziel.ns.cloudflare.com, iris.ns.cloudflare.com and rita.ns.cloudflare.com.

Host names with six IP numbers:

duke.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6e, 2803:f800:50::6ca2:c16e, 2a06:98c1:50::ac40:216e, 108.162.193.110, 172.64.33.110 and 173.245.59.110.

jessica.ns.cloudflare.com points to: 2606:4700:50::adf5:3aab, 2803:f800:50::6ca2:c0ab, 2a06:98c1:50::ac40:20ab, 108.162.192.171, 172.64.32.171 and 173.245.58.171.

Mail Servers

techup.vn is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

techup.vn shares some mail servers with other domains, including ondas.com.mo, mudo.jp, fola.vn, fz9.net and remoteanywhere.net.

Host names with three IP numbers: mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names with one IP number: mx1.larksuite.com points to 18.139.153.173; mx2.larksuite.com points to 18.139.153.173.

Host names that point to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.

techup.vn - robtex.com

techup.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`techup.vn`

`vn`