upcode.vn - dns.ninja

`upcode.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:228f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a1af^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.143^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.175^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mark.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c182^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2182^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mark.ns.cloudflare.com`
		A	108.162.193.130^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	172.64.33.130^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	173.245.59.130^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c086^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2086^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.134^{Cloudflare108.162.192.0/24}
		A	172.64.32.134^{Cloudflare172.64.32.0/24}
		A	173.245.58.134^{Cloudflare173.245.58.0/24}
MX	`mail.upcode.vn` ⭐
		A	216.146.26.12
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.143, 172.67.161.175
		IPv6 hints	2606:4700:3033::6815:228f, 2606:4700:3034::ac43:a1af
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`mark.ns.cloudflare.com`dns@cloudflare.com serial=2406052004

`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=2030890081

Subdomains

mail.upcode.vn

core.upcode.vn

Same first word

upcode.mx

upcode.link

upcode.de

upcode.cn

upcode.org

upcode.ru

upcode.academy

upcode.net

upcode.online

upcode.com

upcode.cloud

upcode.cl

upcode.it

upcode.vn

upcode.fi

upcode.eu

Similar names

pucode.com

codeup.one

peduco.com

codeup.kr

codeup.co.uk

copedu.com

updeco.com

codeup.com.tw

decoup.com

depocu.com.tr

ceupod.com

codeup.be

codeup.vip

opcedu.org

updeco.eu

decopu.eu

codeup.net

cupedo.com

depocu.org

codeup.cn

decopu.de

codeup.de

cuepod.com

codeup.in

codeup.online

edocup.com

ucodep.com

codeup.org

codeup.com

updeco.ir

updeco.ro

codeup.jp

cuepod.net

coedup.com.br

codeup.eu

pudeco.click

pcoedu.com

codepu.sh

opcedu.com

codeup.nyc

codeup.ru

codeup.co

codeup.at

codepu.com

educop.com.br

pecoud.ch

codeup.io

codeup.rocks

coupde.nl

decoup.de

ucodep.org

codeup.tech

depocu.us

codepu.cl

poduce.com

codeup.com.br

DNS History

15 records (7 active, 8 former)

●NSmark.ns.cloudflare.com2026-02-19 → 2026-06-15 · 3 obs

○ 2017-05-23 04:42:08
● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

●NSmary.ns.cloudflare.com2026-02-19 → 2026-06-15 · 3 obs

○ 2017-05-23 04:42:08
● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

○NSns-bak.matbao.com2015-07-23 → 2016-02-04 · 4 obs

● 2015-07-23 10:07:26
● 2016-02-04 05:43:26
○ 2016-07-16 10:31:44
○ 2026-06-15 16:16:34

○NSns1.matbao.vn2015-07-23 → 2016-02-04 · 4 obs

● 2015-07-23 10:07:26
● 2016-02-04 05:43:26
○ 2016-07-16 10:31:44
○ 2026-06-15 16:16:34

○NSns1.zonedns.vn2016-07-16 → 2017-05-23 · 5 obs

○ 2016-02-04 05:43:26
● 2016-07-16 10:31:44
● 2017-05-23 04:42:08
○ 2026-02-19 00:09:44
○ 2026-06-15 16:16:34

○NSns2.matbao.vn2015-07-23 → 2016-02-04 · 4 obs

● 2015-07-23 10:07:26
● 2016-02-04 05:43:26
○ 2016-07-16 10:31:44
○ 2026-06-15 16:16:34

○NSns2.zonedns.vn2016-07-16 → 2017-05-23 · 5 obs

○ 2016-02-04 05:43:26
● 2016-07-16 10:31:44
● 2017-05-23 04:42:08
○ 2026-02-19 00:09:44
○ 2026-06-15 16:16:34

○NSns3.zonedns.vn2016-07-16 → 2017-05-23 · 5 obs

○ 2016-02-04 05:43:26
● 2016-07-16 10:31:44
● 2017-05-23 04:42:08
○ 2026-02-19 00:09:44
○ 2026-06-15 16:16:34

○NSns4.zonedns.vn2016-07-16 → 2017-05-23 · 5 obs

○ 2016-02-04 05:43:26
● 2016-07-16 10:31:44
● 2017-05-23 04:42:08
○ 2026-02-19 00:09:44
○ 2026-06-15 16:16:34

●MXmail.upcode.vn2026-02-19 → 2026-06-15 · 2 obs

● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

●A104.21.34.1432026-02-19 → 2026-06-15 · 3 obs

○ 2016-07-16 10:31:44
● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

●A172.67.161.1752026-02-19 → 2026-06-15 · 3 obs

○ 2016-07-16 10:31:44
● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

○A222.255.29.282015-07-23 → 2016-02-04 · 4 obs

● 2015-07-23 10:07:26
● 2016-02-04 05:43:26
○ 2016-07-16 10:31:44
○ 2026-06-15 16:16:34

●A2606:4700:3033::6815:228f2026-02-19 → 2026-06-15 · 3 obs

○ 2016-07-16 10:31:44
● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

●A2606:4700:3034::ac43:a1af2026-02-19 → 2026-06-15 · 3 obs

○ 2016-07-16 10:31:44
● 2026-02-19 00:09:44
● 2026-06-15 16:16:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
upcode.vn	mark.ns.cloudflare.com, mary.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.134

NS records: mark.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upcode.vn (unsigned zone)

⏱️ Timing

Total: 3255ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.161.175, 104.21.34.143`
AAAA	2	`2606:4700:3033::6815:228f, 2606:4700:3034::ac43:a1af`
NS	2	`mark.ns.cloudflare.com, mary.ns.cloudflare.com`
MX	1	`mail.upcode.vn (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mark.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The parent domain of mail.upcode.vn and core.upcode.vn is upcode.vn.

IP Addresses

upcode.vn has four IP addresses: 104.21.34.143, 172.67.161.175, 2606:4700:3033::6815:228f and 2606:4700:3034::ac43:a1af.

Name Servers

upcode.vn is delegated to two name servers: mark.ns.cloudflare.com and mary.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

mark.ns.cloudflare.com resolves to 108.162.193.130, 172.64.33.130, 173.245.59.130 and 3 other IP addresses.

mary.ns.cloudflare.com resolves to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 other IP addresses.

Mail Servers

upcode.vn routes its mail through a single mail server, mail.upcode.vn.

The host name mail.upcode.vn points to one IP number: 216.146.26.12.