`passedu.vn`

DNSSEC	⚠️ Not signed
A	103.81.87.123^{🇻🇳 HOSTINGVIET-AS-VN103.81.87.0/24 HOSTINGVIET-VN}
NS	`ns-b3.tenten.vn` ⭐
		A	2404:f080:1101:321:a150:95:110:1232^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-2.a00e.g.han1.static.cnode.io`
		A	163.44.207.21^{🇻🇳 GMO-ZCOM-AS-VN163.44.206.0/23 RUNSYSTEM-VN}
			PTR	`v163-44-207-21.a006.g.han1.static.cnode.io`
NS	`ns-b1.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1230^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-0.a00e.g.han1.static.cnode.io`
		A	137.59.104.67^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-b2.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1231^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-1.a00e.g.han1.static.cnode.io`
		A	137.59.104.68^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
MX	`passedu-vn.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms57074129`
TXT	`google-site-verification=ksWg2xD8bHDkWmRXlG-dS3vm0f4HnPwpyCprDlJPaBA`
SOA	`ns-b3.tenten.vn`noreply@tenten.vn serial=1749635344

`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=2030751976

Subdomains

www.passedu.vn

smtp.passedu.vn

pop.passedu.vn

ftp.passedu.vn

Same first word

passedu.com

passedu.it

passedu.cn

passedu.vn

Similar names

suedspa.de

upassed.co.uk

edupass.co

usedspa.com

edupass.edu.vn

aduseps.org.br

duepass.blogspot.com

edupass.eu

pedasus.com

assedup.com

upassed.com

edupass.com.mx

edupass.org

edupass.net

passued.com

edupass.com

spadeus.it

edupass.mx

sapsedu.com

edupass.gov.gr

usasped.com

edupass.it

DNS History

5 records (5 active, 0 former)

●NSns-b1.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 18:02:00
● 2026-05-09 16:20:22

●NSns-b2.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 18:02:00
● 2026-05-09 16:20:22

●NSns-b3.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 18:02:00
● 2026-05-09 16:20:22

●MXpassedu-vn.mail.protection.outlook.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 18:02:00
● 2026-05-09 16:20:22

●A103.81.87.1232026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 18:02:00
● 2026-05-09 16:20:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
passedu.vn	ns-b3.tenten.vn, ns-b1.tenten.vn, ns-b2.tenten.vn	-

✅ Authoritative Response

Server:137.59.104.68

NS records: ns-b3.tenten.vn, ns-b1.tenten.vn, ns-b2.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for passedu.vn (unsigned zone)

⏱️ Timing

Total: 2451ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.81.87.123`
NS	3	`ns-b3.tenten.vn, ns-b1.tenten.vn...`
MX	1	`passedu-vn.mail.protection.outlook.com (`
TXT	3	`v=spf1 include:spf.protection.outlook.co, google-site-verification=ksWg2xD8bHDkWmR...`
SOA	1	`ns-b3.tenten.vn noreply.tenten.vn`

Analysis

Hierarchy

passedu.vn is a parent of www.passedu.vn, smtp.passedu.vn, pop.passedu.vn and ftp.passedu.vn.

IP Addresses

passedu.vn resolves to one IP number: 103.81.87.123.

Other host names, for instance batani.vn, dichvuytetainha.com, ftp.vcf.org.vn, www.tombaby.vn and www.herolife.com.vn share IP numbers with passedu.vn.

Name Servers

passedu.vn is delegated to three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

passedu.vn at least partially shares name servers with other domains, including pearlatelier.com.vn, htxhienkhanhlinhvietgap.vn, mingstudio.com.vn, hucenco.edu.vn and noblecrystaltayho.com.vn.

These name servers are commonly used with ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn.

Host names with two IP numbers:

ns-b1.tenten.vn: 2404:f080:1101:321:a150:95:110:1230 and 137.59.104.67

ns-b2.tenten.vn: 2404:f080:1101:321:a150:95:110:1231 and 137.59.104.68

ns-b3.tenten.vn: 2404:f080:1101:321:a150:95:110:1232 and 163.44.207.21

Mail Servers

A single mail server handles passedu.vn, passedu-vn.mail.protection.outlook.com.

passedu-vn.mail.protection.outlook.com has six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

passedu.vn - robtex.com

passedu.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`passedu.vn`

`vn`