`chanhduc-csc.com`

DNSSEC	⚠️ Not signed
A	112.213.94.167^{🇻🇳 SUPERDATA112.213.94.0/24 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	`mx94167.superdata.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`
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`
MX	`mail235183.maychuemail.com` ⭐
		A	222.255.235.183^{🇻🇳 VDC222.255.235.0/24 VNPT}
			PTR	`mail235183.maychuemail.com`
			PTR	`455656.static.maychudns.com`
MX	`mx90183.maychuemail.net`⁽¹⁰⁾
		A	112.213.90.183^{🇻🇳 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	`mx90183.maychuemail.net`
TXT	`v=spf1 +a +mx +ip4:112.213.90.183 +ip4:222.255.235.183 ~all`
SOA	`nsbak.pavietnam.net`hostmaster@chanhduc-csc.com 2024-12-24 #14

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778522431

Subdomains

mail.chanhduc-csc.com

Same first word

chanhduc-csc.com

DNS History

8 records (6 active, 2 former)

●NSns1.pavietnam.vn2015-06-19 → 2026-05-11 · 2 obs

● 2015-06-19 17:42:28
● 2026-05-11 18:24:30

●NSns2.pavietnam.vn2015-06-19 → 2026-05-11 · 2 obs

● 2015-06-19 17:42:28
● 2026-05-11 18:24:30

●NSnsbak.pavietnam.net2018-06-25 → 2026-05-11 · 3 obs

○ 2015-06-19 17:42:28
● 2018-06-25 05:12:36
● 2026-05-11 18:24:30

○MXmail.chanhduc-csc.com2015-06-19 → 2016-12-22 · 4 obs

● 2015-06-19 17:42:28
● 2016-12-22 21:18:48
○ 2018-06-25 05:12:36
○ 2026-05-11 18:24:30

●MXmail235183.maychuemail.com2018-06-25 → 2026-05-11 · 3 obs

○ 2016-12-22 21:18:48
● 2018-06-25 05:12:36
● 2026-05-11 18:24:30

●MXmx90183.maychuemail.net2018-06-25 → 2026-05-11 · 3 obs

○ 2016-12-22 21:18:48
● 2018-06-25 05:12:36
● 2026-05-11 18:24:30

○A112.213.90.1832015-06-19 → 2018-06-25 · 4 obs

● 2015-06-19 17:42:28
● 2018-06-25 05:12:36
○ 2026-03-13 04:45:08
○ 2026-05-11 18:24:30

●A112.213.94.1672026-03-13 → 2026-05-11 · 3 obs

○ 2018-06-25 05:12:36
● 2026-03-13 04:45:08
● 2026-05-11 18:24:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chanhduc-csc.com	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	-

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chanhduc-csc.com (unsigned zone)

⏱️ Timing

Total: 1609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.94.167`
NS	3	`ns1.pavietnam.vn, ns2.pavietnam.vn...`
MX	2	`mail235183.maychuemail.com (pri: 5), mx90183.maychuemail.net (pri: 10)`
TXT	1	`v=spf1 +a +mx +ip4:112.213.90.183 +ip4:2`
SOA	1	`nsbak.pavietnam.net hostmaster.chanhduc-`

Analysis

Hierarchy

chanhduc-csc.com is the parent of mail.chanhduc-csc.com.

IP Addresses

chanhduc-csc.com points to a single IP number: 112.213.94.167.

other host names for instance mail.dailynuoc.com, uybanbaucu-phuongtanhiep-hochiminhcity.gov.vn, toyotaansuong.net, mail.muikhoan.com.vn and www.giasunhanvan.vn share IP numbers with chanhduc-csc.com.

Name Servers

chanhduc-csc.com is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

chanhduc-csc.com at least partially shares name servers with other domains, for instance derosy.com, wonderenglishcenter.edu.vn, hoiantourist.com, chuyenlamnong.com and sonatapaint.com.vn.

These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and nsbak.pavietnam.vn.

Host names with two IP numbers:

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

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

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

Mail Servers

chanhduc-csc.com is handled by two mail servers: mail235183.maychuemail.com and mx90183.maychuemail.net.

chanhduc-csc.com shares the same mail server setup as other domains, for instance aseanconsulting.vn, saomaivang.com, minhquyseafoods.com, vstuongphat.com and namvietco.com.vn.

Host names with one IP number:

The host mail235183.maychuemail.com points to 222.255.235.183 and the host mx90183.maychuemail.net points to 112.213.90.183.

chanhduc-csc.com - robtex.com

chanhduc-csc.com

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