osc.vn - robtex.com
osc.vn
vn
| DNSSEC | π Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn β | ||||||
| NS | a.dns-servers.vn π | ||||||
| NS | b.dns-servers.vn π | ||||||
| NS | c.dns-servers.vn π | ||||||
| NS | d.dns-servers.vn π | ||||||
| NS | e.dns-servers.vn π | ||||||
| NS | f.dns-servers.vn π | ||||||
| NS | g.dns-servers.vn π | ||||||
| NS | h.dns-servers.vn π | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030456136 | ||||||
Subdomains
www.osc.vn |
Same first word
Similar names
DNS History
12 records (10 active, 2 former)
βNSns1.vdconline.vn2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βNSns2.vdconline.vn2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXalt1.aspmx.l.google.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXalt2.aspmx.l.google.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXaspmx.l.google.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXaspmx2.googlemail.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXaspmx3.googlemail.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXaspmx4.googlemail.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βMXaspmx5.googlemail.com2015-08-03 β 2026-03-03 Β· 2 obs
β 2026-03-03 12:08:48
βA103.28.37.1692015-08-03 β 2016-06-10 Β· 4 obs
β 2016-06-10 01:14:04
β 2016-08-29 06:52:30
β 2026-03-03 12:08:48
βA166.62.6.802016-08-29 β 2017-09-26 Β· 5 obs
β 2016-08-29 06:52:30
β 2017-09-26 22:22:14
β 2026-02-15 18:29:20
β 2026-03-03 12:08:48
βA27.71.231.242026-02-15 β 2026-03-03 Β· 3 obs
β 2026-02-15 18:29:20
β 2026-03-03 12:08:48
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | g.dns-servers.vn, h.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn... | 16 records |
| osc.vn | ns1.vdconline.vn, ns2.vdconline.vn | 2 records |
β Authoritative Response
Server: 14.225.197.109
NS records: ns1.vdconline.vn, ns2.vdconline.vn
π DNSSEC Status
β Bogus (DNSSEC validation failed)
Validation error at vn: Error: DNS query timeout: 202.47.142.105 for DNSKEY vn
β±οΈ Timing
Total: 4162ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 27.71.231.24 |
| NS | 2 | ns1.vdconline.vn, ns2.vdconline.vn |
| MX | 7 | aspmx3.googlemail.com (pri: 30), alt2.aspmx.l.google.com (pri: 20)... |
| SOA | 1 | ns1.vdconline.vn vdconline.tld |
π Glue Records Collected
Total: 18
In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)
Out-of-bailiwick: 2 (ns1.vdconline.vn, ns2.vdconline.vn)
Analysis
Hierarchy
osc.vn is a parent of www.osc.vn.
IP Addresses
osc.vn points to a single IP address: 27.71.231.24.
Name Servers
osc.vn is delegated to two name servers: ns1.vdconline.vn and ns2.vdconline.vn.
osc.vn uses the same name server setup as other domains, including goldcup.com.vn, truyenhinhso.com.vn, haibogiay.net, lsvinacable.com.vn and changyang.com.vn.
osc.vn shares some name servers with other domains, for example haiyencomputer.vn.
Hostnames with a single IP
ns1.vdconline.vn resolves to: 14.225.41.137.
ns2.vdconline.vn resolves to: 14.225.197.109.
Mail Servers
osc.vn is served by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
osc.vn shares at least some mail servers with other domains, for example ns500821.ns500794.ns500821.ns500841.ns500794.ns500794.ns500821.ns500794.ns500821.ns500821.ns500794.ns500821.ns500795.ns500795.lustypartnersfinder.com, csholdings.com, darkskycustom.com, topnotchtech.com and baramluetzowplatz.com.
these mail servers are often used together with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers
aspmx2.googlemail.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.27
aspmx3.googlemail.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.27
aspmx4.googlemail.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.27
aspmx5.googlemail.com points to: 2607:f8b0:4023:403::1b and 142.250.96.26
aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27
alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26
alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26
Host names pointing to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com
Host names pointing to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com