`codx.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c82f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:4cc7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.199^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.47^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aarav.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aarav.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aarav.ns.cloudflare.com`
		A	108.162.195.60^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	162.159.44.60^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	172.64.35.60^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
NS	`rosemary.ns.cloudflare.com`
		A	2606:4700:50::a29f:264d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosemary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosemary.ns.cloudflare.com`
		A	108.162.194.77^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	162.159.38.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	172.64.34.77^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
MX	`mail90138.maychuemail.com` ⭐
		A	112.213.90.138^{🇻🇳 SUPERDATA112.213.90.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mail90138.maychuemail.com`
MX	`mx90138.maychuemail.net`⁽¹⁰⁾
		A	112.213.90.138^{🇻🇳 SUPERDATA112.213.90.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mail90138.maychuemail.com`
TXT	`google-site-verification=gTOxHILfDA6ymJHydHsrqSwWwBB45jnhzVdYGj79ZNw`
TXT	`v=spf1 include:spf.maychuemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.76.199, 172.67.200.47
		IPv6	2606:4700:3030::ac43:c82f, 2606:4700:3033::6815:4cc7
SOA	`aarav.ns.cloudflare.com`dns@cloudflare.com serial=2398148053

`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=2030540112

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DNS History

14 records (8 active, 6 former)

●NSaarav.ns.cloudflare.com2026-03-03 → 2026-03-23 · 2 obs

● 2026-03-03 04:39:00
● 2026-03-23 14:00:12

●NSrosemary.ns.cloudflare.com2026-03-03 → 2026-03-23 · 2 obs

● 2026-03-03 04:39:00
● 2026-03-23 14:00:12

●MXmail90138.maychuemail.com2026-03-03 → 2026-03-23 · 2 obs

● 2026-03-03 04:39:00
● 2026-03-23 14:00:12

●MXmx90138.maychuemail.net2026-03-03 → 2026-03-23 · 2 obs

● 2026-03-03 04:39:00
● 2026-03-23 14:00:12

●A104.21.76.1992026-03-03 → 2026-03-23 · 7 obs

● 2026-03-03 04:39:00
○ 2026-03-03 10:06:20
● 2026-03-13 08:56:52
● 2026-03-16 11:17:24
○ 2026-03-18 07:06:56
● 2026-03-23 14:00:10
● 2026-03-23 14:00:12

○A172.64.80.12026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-16 11:17:24
● 2026-03-18 07:06:56
○ 2026-03-23 14:00:10
○ 2026-03-23 14:00:12

●A172.67.200.472026-03-03 → 2026-03-23 · 7 obs

● 2026-03-03 04:39:00
○ 2026-03-03 10:06:20
● 2026-03-13 08:56:52
● 2026-03-16 11:17:24
○ 2026-03-18 07:06:56
● 2026-03-23 14:00:10
● 2026-03-23 14:00:12

○A188.114.96.02026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-03 04:39:00
● 2026-03-03 10:06:20
○ 2026-03-13 08:56:52
○ 2026-03-23 14:00:12

○A188.114.97.02026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-03 04:39:00
● 2026-03-03 10:06:20
○ 2026-03-13 08:56:52
○ 2026-03-23 14:00:12

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-16 11:17:24
● 2026-03-18 07:06:56
○ 2026-03-23 14:00:10
○ 2026-03-23 14:00:12

●A2606:4700:3030::ac43:c82f2026-03-03 → 2026-03-23 · 7 obs

● 2026-03-03 04:39:00
○ 2026-03-03 10:06:20
● 2026-03-13 08:56:52
● 2026-03-16 11:17:24
○ 2026-03-18 07:06:56
● 2026-03-23 14:00:10
● 2026-03-23 14:00:12

●A2606:4700:3033::6815:4cc72026-03-03 → 2026-03-23 · 7 obs

● 2026-03-03 04:39:00
○ 2026-03-03 10:06:20
● 2026-03-13 08:56:52
● 2026-03-16 11:17:24
○ 2026-03-18 07:06:56
● 2026-03-23 14:00:10
● 2026-03-23 14:00:12

○A2a06:98c1:3120::2026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-03 04:39:00
● 2026-03-03 10:06:20
○ 2026-03-13 08:56:52
○ 2026-03-23 14:00:12

○A2a06:98c1:3121::2026-03-03 → 2026-03-03 · 4 obs

○ 2026-03-03 04:39:00
● 2026-03-03 10:06:20
○ 2026-03-13 08:56:52
○ 2026-03-23 14:00:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	g.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn, h.dns-servers.vn...	16 records
codx.vn	aarav.ns.cloudflare.com, rosemary.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.77

NS records: aarav.ns.cloudflare.com, rosemary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codx.vn (unsigned zone)

⏱️ Timing

Total: 1104ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.47, 104.21.76.199`
AAAA	2	`2606:4700:3030::ac43:c82f, 2606:4700:3033::6815:4cc7`
NS	2	`aarav.ns.cloudflare.com, rosemary.ns.cloudflare.com`
MX	2	`mx90138.maychuemail.net (pri: 10), mail90138.maychuemail.com (pri: 5)`
TXT	2	`google-site-verification=gTOxHILfDA6ymJH, v=spf1 include:spf.maychuemail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aarav.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)

Analysis

IP Addresses

codx.vn resolves to four IPs: 2606:4700:3030::ac43:c82f, 2606:4700:3033::6815:4cc7, 104.21.76.199 and 172.67.200.47.

Other host names, for instance come.view-pictures.archinect.com, syairwla.blog, demon138top8.org, the-diy-life.com.cdn.cloudflare.net and adsattackbot.com share IP numbers with codx.vn.

Name Servers

codx.vn has two name servers: aarav.ns.cloudflare.com and rosemary.ns.cloudflare.com.

codx.vn shares the same name server setup as other domains, for example hireaway.co.nz, foxtdown.com, yonghengdewanmei.workers.dev, elite-gss.com and zoommeet.top.

codx.vn shares some name servers with other domains, for example eberharter.net, ice-koicuan.live, maxevi.com, plutonos.uno and qpjlchat.com.

These name servers are often used together with sean.ns.cloudflare.com, major.ns.cloudflare.com and marissa.ns.cloudflare.com.

Host names with six IP numbers: aarav.ns.cloudflare.com points to: 2606:4700:58::a29f:2c3c, 2803:f800:50::6ca2:c33c, 2a06:98c1:50::ac40:233c, 108.162.195.60, 162.159.44.60 and 172.64.35.60; rosemary.ns.cloudflare.com points to: 2606:4700:50::a29f:264d, 2803:f800:50::6ca2:c24d, 2a06:98c1:50::ac40:224d, 108.162.194.77, 162.159.38.77 and 172.64.34.77.

Mail Servers

codx.vn is served by two mail servers: mail90138.maychuemail.com and mx90138.maychuemail.net.

codx.vn shares the mail server setup with other domains, for example quangthanh.com.vn, inkhautrang.vn, vneco.vn, giaiphapdautu.com and noka.vn.

codx.vn shares some mail servers with other domains, at least partially; for instance inochivietnam.vn, matkinhlb.com.vn, themaker.vn, massagehcm.com and nanova.vn.

Host names with one IP number:

mail90138.maychuemail.com points to: 112.213.90.138

mx90138.maychuemail.net points to: 112.213.90.138

Names pointing to 112.213.90.138: mail90138.maychuemail.com and mx90138.maychuemail.net

codx.vn - robtex.com

codx.vn

vn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`codx.vn`

`vn`