cobiz.vn - robtex.com
cobiz.vn
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=2031016170 | ||||||
Subdomains
www.cobiz.vn |
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-07-20 · 2 obs
● 2026-07-20 05:56:26
●NSns2.zonedns.vn2026-05-01 → 2026-07-20 · 2 obs
● 2026-07-20 05:56:26
●NSns3.zonedns.vn2026-05-01 → 2026-07-20 · 2 obs
● 2026-07-20 05:56:26
●NSns4.zonedns.vn2026-05-01 → 2026-07-20 · 2 obs
● 2026-07-20 05:56:26
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-07-20 · 5 obs
● 2026-06-05 05:10:08
○ 2026-06-29 18:19:58
● 2026-07-01 04:08:54
● 2026-07-20 05:56:26
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-07-20 · 5 obs
● 2026-06-05 05:10:08
○ 2026-06-29 18:19:58
● 2026-07-01 04:08:54
● 2026-07-20 05:56:26
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-07-20 · 5 obs
● 2026-06-05 05:10:08
○ 2026-06-29 18:19:58
● 2026-07-01 04:08:54
● 2026-07-20 05:56:26
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-07-20 · 5 obs
● 2026-06-05 05:10:08
○ 2026-06-29 18:19:58
● 2026-07-01 04:08:54
● 2026-07-20 05:56:26
●MXaspmx.l.google.com2026-05-01 → 2026-07-20 · 5 obs
● 2026-06-05 05:10:08
○ 2026-06-29 18:19:58
● 2026-07-01 04:08:54
● 2026-07-20 05:56:26
●A45.252.248.182026-05-01 → 2026-07-20 · 5 obs
● 2026-06-05 05:10:08
○ 2026-06-29 18:19:58
● 2026-07-01 04:08:54
● 2026-07-20 05:56:26
🔍 DNS Trace
Analysis
Hierarchy
cobiz.vn is the parent zone for www.cobiz.vn.
IP Addresses
cobiz.vn points to a single IP number: 45.252.248.18.
Additional host names — tienganhphil.philconnect.edu.vn, mail.ruouvip.com, congnhadep.com.vn and two others — share IP numbers with cobiz.vn.
Name Servers
cobiz.vn has four authoritative name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
cobiz.vn partially shares its NS delegation with several other domains, including motorcycletv.vn, wis.com.vn, tienthao.com and two others.
ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn each resolve to two IP addresses. ns1.zonedns.vn points to 64.176.84.220 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33. ns2.zonedns.vn points to 103.176.178.51 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33. ns3.zonedns.vn points to 103.28.36.30 and 2001:df1:3200::15. ns4.zonedns.vn points to 103.28.39.159 and 2001:df1:3200::15.
The host names ns1.zonedns.vn and ns2.zonedns.vn both resolve to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 IP addresses.
The host names ns3.zonedns.vn and ns4.zonedns.vn both resolve to 2001:df1:3200::15 IP addresses.
Mail Servers
cobiz.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
cobiz.vn shares mail servers — at least in part — with other domains, including kocjan.org, prooflab.com, essentialcos.com and two others.
These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com resolves to 172.253.63.26 and 2607:f8b0:4004:c23::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.