`codupha.com.vn`

DNSSEC	⚠️ Not signed
A	103.77.162.20^{🇻🇳 SUPERDATA103.77.162.0/24 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	`firefoot.maychu.cloud`
NS	`ns1.pavietnam.vn` ⭐ 🔒
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns1.dotvndns.vn`
NS	`ns2.pavietnam.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.pavietnam.net`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns8922.dotvndns.vn`
MX	`filter10.antispamcloud.com` ⭐
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`filter20.antispamcloud.com`⁽²⁰⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
MX	`filter30.antispamcloud.com`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
MX	`filter40.antispamcloud.com`⁽⁴⁰⁾
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
TXT	`google-site-verification=I7Nj2BZfi950d4dOAt_V91FkgJo5r7Ktlleq_6fw4Bo`
TXT	`v=spf1 include:spf.maychuemail.com ~all`
SOA	`ns1.pavietnam.vn`hostmaster@codupha.com.vn 2025-07-14 #29

`com.vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation 🔒
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022585114

Same first word

codupha.com.vn

Similar names

pachoud.co.nz

duphaco.com

dupocha.com

choupad.com

chupado.com

daphuco.com

pachoud.org

chaudop.de

phucdao.com

audocph.com

pacudoh.com

pachoud.com

DNS History

14 records (8 active, 6 former)

○NSns1.dotvndns.vn2015-07-18 → 2016-04-27 · 4 obs

● 2015-07-18 12:54:56
● 2016-04-27 02:29:32
○ 2016-06-09 13:08:10
○ 2026-03-02 03:23:02

●NSns1.pavietnam.vn2016-06-09 → 2026-03-02 · 3 obs

○ 2016-04-27 02:29:32
● 2016-06-09 13:08:10
● 2026-03-02 03:23:02

○NSns2.dotvndns.vn2015-07-18 → 2016-04-27 · 4 obs

● 2015-07-18 12:54:56
● 2016-04-27 02:29:32
○ 2016-06-09 13:08:10
○ 2026-03-02 03:23:02

●NSns2.pavietnam.vn2016-06-09 → 2026-03-02 · 3 obs

○ 2016-04-27 02:29:32
● 2016-06-09 13:08:10
● 2026-03-02 03:23:02

●NSnsbak.pavietnam.net2017-08-27 → 2026-03-02 · 3 obs

○ 2016-06-09 13:08:10
● 2017-08-27 07:35:26
● 2026-03-02 03:23:02

●MXfilter10.antispamcloud.com2026-03-02 → 2026-03-02 · 2 obs

○ 2017-08-27 07:35:26
● 2026-03-02 03:23:02

●MXfilter20.antispamcloud.com2026-03-02 → 2026-03-02 · 2 obs

○ 2017-08-27 07:35:26
● 2026-03-02 03:23:02

●MXfilter30.antispamcloud.com2026-03-02 → 2026-03-02 · 2 obs

○ 2017-08-27 07:35:26
● 2026-03-02 03:23:02

●MXfilter40.antispamcloud.com2026-03-02 → 2026-03-02 · 2 obs

○ 2017-08-27 07:35:26
● 2026-03-02 03:23:02

○MXmgw.broadband.vn2016-08-19 → 2017-08-27 · 4 obs

○ 2016-07-09 12:57:26
● 2016-08-19 07:54:34
● 2017-08-27 07:35:26
○ 2026-03-02 03:23:02

○MXmhgw.broadband.vn2016-08-19 → 2017-08-27 · 4 obs

○ 2016-07-09 12:57:26
● 2016-08-19 07:54:34
● 2017-08-27 07:35:26
○ 2026-03-02 03:23:02

○MXmhgw.vasc.com.vn2015-07-18 → 2016-07-09 · 4 obs

● 2015-07-18 12:54:56
● 2016-07-09 12:57:26
○ 2016-08-19 07:54:34
○ 2026-03-02 03:23:02

●A103.77.162.202026-03-02 → 2026-03-02 · 2 obs

○ 2017-08-27 07:35:26
● 2026-03-02 03:23:02

○A210.245.121.602015-07-18 → 2017-08-27 · 3 obs

● 2015-07-18 12:54:56
● 2017-08-27 07:35:26
○ 2026-03-02 03:23:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
codupha.com.vn	ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net	-

✅ Authoritative Response

Server: 112.213.89.22

NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codupha.com.vn (unsigned zone)

⏱️ Timing

Total: 2376ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.77.162.20`
NS	3	`ns2.pavietnam.vn, nsbak.pavietnam.net...`
MX	4	`filter20.antispamcloud.com (pri: 20), filter10.antispamcloud.com (pri: 10)...`
TXT	2	`v=spf1 include:spf.maychuemail.com ~all, google-site-verification=I7Nj2BZfi950d4d`
SOA	1	`ns1.pavietnam.vn hostmaster.codupha.com.`

Analysis

IP Addresses

codupha.com.vn resolves to one IP number: 103.77.162.20.

other host names including banphuot.vn, amdvietnam.com.vn, quyhoach.hanoi.vn, hpa-design.com and www.osms.vn share IP numbers with codupha.com.vn.

Name Servers

codupha.com.vn is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

codupha.com.vn at least partially shares name servers with other domains, for instance thanhnhanhospital.vn, tamlan.vn, bum.com.vn, rex.com.vn and staxi.vn.

these name servers are often used together with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and nsbak.pavietnam.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22.

ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3.

ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247.

Mail Servers

Four mail servers handle codupha.com.vn: filter10.antispamcloud.com, filter20.antispamcloud.com, filter30.antispamcloud.com and filter40.antispamcloud.com.

codupha.com.vn shares some mail servers with other domains, at least partially, for instance riverlea.co.uk, fahrschule-kliese.de, profeel.ro, contech.ch and deutrag.eu.