🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`rubyrex.com`

DNSSEC	⚠️ Not signed
A	103.77.162.18^{🇻🇳 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	`dateh.maychu.cloud`
NS	`ns1.dotvndns.vn` ⭐ ⚠️ Not in parent delegation
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -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	`ns1.pavietnam.vn` ⚠️ Not in zone NS records
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -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.dotvndns.vn` ⚠️ Not in parent delegation
		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	`ns2.pavietnam.vn` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
		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	`mail.rubyrex.com` ⭐
		A	103.77.162.18^{🇻🇳 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	`dateh.maychu.cloud`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dotvndns.vn`hostmaster@rubyrex.com 2025-08-10 #2

`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=1788261815

Subdomains

mail.rubyrex.com

Same first word

rubyrex.com

Similar names

rexruby.ai

yubrerx.com

uxberry.pl

rexbury.com

buyerrx.com

Previous names

Next names

DNS History

13 records (7 active, 6 former)

●NSns1.dotvndns.vn2026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

●NSns1.pavietnam.vn2026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

○NSns15.domaincontrol.com2017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 02:43:08
○ 2026-08-25 10:09:06
○ 2026-09-01 11:50:14

○NSns16.domaincontrol.com2017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 02:43:08
○ 2026-08-25 10:09:06
○ 2026-09-01 11:50:14

●NSns2.dotvndns.vn2026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

●NSns2.pavietnam.vn2026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

●NSnsbak.pavietnam.net2026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

●MXmail.rubyrex.com2026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

○MXrubyrex-com.mail.protection.outlook.com2017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 02:43:08
○ 2026-08-25 10:09:06
○ 2026-09-01 11:50:14

●A103.77.162.182026-08-25 → 2026-09-01 · 3 obs

○ 2017-08-11 02:43:08
● 2026-08-25 10:09:06
● 2026-09-01 11:50:14

○A160.153.136.32017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 02:43:08
○ 2026-08-25 10:09:06
○ 2026-09-01 11:50:14

○A182.50.132.2422017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 02:43:08
○ 2026-08-25 10:09:06
○ 2026-09-01 11:50:14

○A72.167.191.692017-08-11 → 2017-08-11 · 3 obs

● 2017-08-11 02:43:08
○ 2026-08-25 10:09:06
○ 2026-09-01 11:50:14

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rubyrex.com (unsigned zone)

⏱️ Timing

Total: 666ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.77.162.18`
NS	2	`ns1.dotvndns.vn, ns2.dotvndns.vn`
MX	1	`mail.rubyrex.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dotvndns.vn hostmaster.rubyrex.com`

Analysis

Hierarchy

The domain mail.rubyrex.com falls under the parent rubyrex.com.

IP Addresses

rubyrex.com directs to one IP number, which is 103.77.162.18.

Among the host names that share IP numbers with rubyrex.com are ns1.vietnhat.com, gvauto.vn, mienggiodafa.com and two others.

Name Servers

The authoritative name servers for rubyrex.com are nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn and two others.

At least some of rubyrex.com's name servers are shared with other domains, for example quatthonggio.vn, dpdsolution.com, menature.vn and two more.

These name servers are often deployed together with the name servers ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.

Hosts with two IP numbers each:

nsbak.pavietnam.net maps to two IP addresses — 112.213.89.22 and 2406:9c80::9000:302.

ns1.dotvndns.vn maps to two IP addresses — 112.213.89.3 and 2406:9c80::66.

ns2.dotvndns.vn maps to two IP addresses — 222.255.121.247 and 2406:9c80::9000:111.

ns1.pavietnam.vn maps to two IP addresses — 112.213.89.3 and 2406:9c80::66.

ns2.pavietnam.vn maps to two IP addresses — 222.255.121.247 and 2406:9c80::9000:111.

These two host names — ns1.dotvndns.vn and ns1.pavietnam.vn — each point to 2406:9c80::66 IP addresses.

These two host names — ns1.dotvndns.vn and ns1.pavietnam.vn — each point to 112.213.89.3 IP addresses.

These two host names — ns2.dotvndns.vn and ns2.pavietnam.vn — each point to 2406:9c80::9000:111 IP addresses.

These two host names — ns2.dotvndns.vn and ns2.pavietnam.vn — each point to 222.255.121.247 IP addresses.

Mail Servers

rubyrex.com routes its mail through a single mail server, mail.rubyrex.com.

There is one IP number for mail.rubyrex.com: 103.77.162.18.

rubyrex.com - robtex.com

rubyrex.com

com

Subdomains

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rubyrex.com`

`com`