o247.vn - robtex.com
o247.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.57.221.81🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| MX | smtp.umailsmtp.com ⭐ | ||||||
| TXT | google-site-verification=q04nADAZ-yvoO41Vj8OJ_mnDCl1udF1sJCMdbffWry4 | ||||||
| TXT | v=spf1 include:dn(0x736578)it.com include:_spf.umailsmtp.com -all | ||||||
| TXT | _kzek7fuoadhczs11zgyejq5lqakifl8 | ||||||
| TXT | openai-domain-verification=dv-1M7BpJK4QuklL3GZ1jYenjqR | ||||||
| SOA | ns1.zonedns.vnroot@o247.vn 2026-02-27 #5 | ||||||
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.vnpostmaster@vnnic.vn serial=2030756239 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:09:28
●NSns2.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:09:28
●NSns3.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:09:28
●NSns4.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:09:28
●MXsmtp.umailsmtp.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:09:28
●A103.57.221.812026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:09:28
🔍 DNS Trace
Analysis
Hierarchy
o247.vn is a parent of a.o247.vn, b.o247.vn, minio.o247.vn, ad.o247.vn and www.o247.vn.
IP Addresses
o247.vn points to a single IP address: 103.57.221.81.
Other host names such as www.phd.edu.vn, soysucpcalendars.hiepphat.edu.vn, nhathuoconline.vn, ivfme.vn and japan-vietnam-archive-vju.vn share IPs with o247.vn.
Name Servers
o247.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
o247.vn at least partially shares name servers with other domains, for example hoaduocvn.com, achiva.com.vn, vattudiennhe.vn, keodogx66.com.vn and bigsms.vn.
These name servers are often used together with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220
ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51
ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30
ns4.zonedns.vn points to: 2001:df1:3200::15 and 103.28.39.159
Common IP numbers:
2401:c080:1400:1cd4:5400:5ff:fe80:ec33 is used by ns1.zonedns.vn and ns2.zonedns.vn
2001:df1:3200::15 is used by ns3.zonedns.vn and ns4.zonedns.vn
Mail Servers
The smtp.umailsmtp.com mail server handles o247.vn.
o247.vn shares the same mail server setup as other domains, including cvctshirt.com, hoangvan.org, pacifichomes.vn, nca.vn and thumuadocutphcm.com.
o247.vn shares at least partially some mail servers with other domains, for instance tanlapgroup.vn, umailsmtp.com, standrewspharma.com, lukasart.edu.vn and onlstreet.com.