khoa.vn - robtex.com

khoa.vn

DNSSEC⚠️ Not signed
A210.245.8.133🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
NSns2.thietkewebsitedep.com ⭐ ⚠️ Not in zone NS records
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSns1.dotvndns.vn ⚠️ Not in parent delegation
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns1.thietkewebsitedep.com ⚠️ Not in zone NS records
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns2.dotvndns.vn ⚠️ Not in parent delegation
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSnsbak.dotvndns.com ⚠️ Not in parent delegation
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 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
PTRns8922.dotvndns.vn
SOAns2.thietkewebsitedep.comhostmaster@khoa.vn 2024-10-26 #7

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030763907

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DNS History

6 records (6 active, 0 former)

NSns1.dotvndns.vnns1.thietkewebsitedep.comns2.dotvndns.vnns2.thietkewebsitedep.comnsbak.dotvndns.comA210.245.8.133
●NSns1.dotvndns.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 16:31:44
● 2026-05-12 11:13:32
●NSns1.thietkewebsitedep.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 16:31:44
● 2026-05-12 11:13:32
●NSns2.dotvndns.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 16:31:44
● 2026-05-12 11:13:32
●NSns2.thietkewebsitedep.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 16:31:44
● 2026-05-12 11:13:32
●NSnsbak.dotvndns.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 16:31:44
● 2026-05-12 11:13:32
●A210.245.8.1332026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 16:31:44
● 2026-05-12 11:13:32

🔍 DNS Trace

Analysis

IP Addresses

khoa.vn resolves to one IP number: 210.245.8.133.

other host names including www.trangthietbi.vn, moneo.vn, saomaidongho.com.vn, nongsangiotnang.vn and mail3.phuvuong.vn share IP numbers with khoa.vn.

Name Servers

khoa.vn is delegated to five name servers: nsbak.dotvndns.com, ns1.thietkewebsitedep.com, ns2.thietkewebsitedep.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

khoa.vn at least partially shares name servers with other domains, for instance ilovefood.vn, trusco-vietnam.vn, adcrice.com, tuildonai.com.vn and mtn.edu.vn.

These name servers are commonly used with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and nsbak.dotvndns.vn.

Hostnames with two IP numbers:

nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22.

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

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

Hostnames with one IP number:

ns1.thietkewebsitedep.com points to 112.213.89.3.

ns2.thietkewebsitedep.com points to 222.255.121.247.

Hostnames pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.thietkewebsitedep.com.

Hostnames pointing to 222.255.121.247: ns2.dotvndns.vn and ns2.thietkewebsitedep.com.