`ketcongnghe.com`

DNSSEC	⚠️ Not signed
A	103.216.112.172^{🇻🇳 HOSTVN-VN103.216.112.0/24 ASVTECH-VN}
NS	`a.ns.hostvn.net` ⭐
		A	185.136.96.112^{🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd}
			PTR	`a.ns.hostvn.net`
		A	185.136.97.112^{CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd}
			PTR	`a.ns.hostvn.net`
NS	`b.ns.hostvn.net`
		A	185.136.98.112^{🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd}
			PTR	`b.ns.hostvn.net`
		A	185.136.99.112^{CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd}
			PTR	`b.ns.hostvn.net`
MX	`mail.ketcongnghe.com` ⭐
		A	115.146.123.204^{🇻🇳 CMC-2115.146.123.0/24 CMCTELECOM-VN}
			PTR	`mx4.smartemail.vn`
TXT	`google-site-verification=QUG4qhtaO2uAfPGUeuzzaQULpoVJPaoM6ntqKxLn65Y`
TXT	`v=spf1 mx a:mail.ketcongnghe.com a:smtp.ketcongnghe.com ip4:115.146.123.204/3...`
TXT	`zalo-platform-site-verification=MDpX28BuRX9XZxe-uRu-2ZI8hZ3O_dbkDJSp`
SOA	`a.ns.hostvn.net`hostmaster@hostvn.net 2026-04-30 #0

`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=1778470891

Subdomains

mail.ketcongnghe.com

Same first word

ketcongnghe.com

DNS History

5 records (4 active, 1 former)

●NSa.ns.hostvn.net2019-12-16 → 2026-05-11 · 2 obs

● 2019-12-16 11:28:14
● 2026-05-11 04:05:28

●NSb.ns.hostvn.net2019-12-16 → 2026-05-11 · 2 obs

● 2019-12-16 11:28:14
● 2026-05-11 04:05:28

●MXmail.ketcongnghe.com2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 12:46:24
● 2026-05-11 04:05:28

●A103.216.112.1722026-05-01 → 2026-05-11 · 3 obs

○ 2019-12-16 11:28:14
● 2026-05-01 12:46:24
● 2026-05-11 04:05:28

○A123.30.186.202019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 11:28:14
○ 2026-05-01 12:46:24
○ 2026-05-11 04:05:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ketcongnghe.com	a.ns.hostvn.net, b.ns.hostvn.net	-

✅ Authoritative Response

Server:185.136.97.112

NS records: a.ns.hostvn.net, b.ns.hostvn.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ketcongnghe.com (unsigned zone)

⏱️ Timing

Total: 493ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.216.112.172`
NS	2	`a.ns.hostvn.net, b.ns.hostvn.net`
MX	1	`mail.ketcongnghe.com (pri: 10)`
TXT	3	`v=spf1 mx a:mail.ketcongnghe.com a:smtp., google-site-verification=QUG4qhtaO2uAfPG...`
SOA	1	`a.ns.hostvn.net hostmaster.hostvn.net`

Analysis

Hierarchy

The parent of mail.ketcongnghe.com is ketcongnghe.com.

IP Addresses

ketcongnghe.com points to an IP address: 103.216.112.172.

other host names include xeomgiaohang.moma.vn, mail.hongquyet.vn, mail.115.com.vn, tuyennhanvienlamthem.tiva.vn and taxibacgiangvip.com; they share IP numbers with ketcongnghe.com.

Name Servers

Two name servers a.ns.hostvn.net and b.ns.hostvn.net handle the delegation for ketcongnghe.com.

ketcongnghe.com shares the same name server setup as other domains, for instance gozomove.com, www.hiennhungtoeic.com, royalhm.vn, baminh.com and dulichquangngai.vn.

ketcongnghe.com shares name servers with other domains at least partially, for example amadoor.com.vn.

Host names with two IP numbers:

a.ns.hostvn.net points to 185.136.96.112 and 185.136.97.112.

b.ns.hostvn.net points to 185.136.98.112 and 185.136.99.112.

Mail Servers

ketcongnghe.com is handled by a single mail server, mail.ketcongnghe.com.

The host name mail.ketcongnghe.com points to IP 115.146.123.204.

ketcongnghe.com - robtex.com

ketcongnghe.com

com