osc.vn - robtex.com

osc.vn

DNSSEC⚠️ Not signed
A27.71.231.24πŸ‡»πŸ‡³ VTDC-AS-VN27.71.231.0/24 Proxy-registered route object
NSns1.vdconline.vn ⭐
A14.225.41.137πŸ‡»πŸ‡³ VNPT-AS-VN14.225.41.0/24 VNPT
NSns2.vdconline.vn
A14.225.197.109πŸ‡»πŸ‡³ VNPT-AS-VN14.225.197.0/24 VNPT
PTRstatic.vnpt.vn
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26πŸ‡ΊπŸ‡Έ Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2607:f8b0:4001:c70::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4003:c30::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.27πŸ‡ΊπŸ‡Έ Google74.125.27.0/24
PTRyutulis-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2607:f8b0:4001:c70::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2607:f8b0:4024:c0d::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.27πŸ‡ΊπŸ‡Έ Google192.178.152.0/24
PTRmj-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2607:f8b0:4023:403::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRgg-in-f27.1e100.net
A142.250.96.26πŸ‡ΊπŸ‡Έ Google142.250.96.0/24
PTRgg-in-f26.1e100.net
SOAns1.vdconline.vnvdconline@tld 2023-02-07 #3

vn

DNSSECπŸ”’ Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn πŸ”’
NSb.dns-servers.vn πŸ”’
NSc.dns-servers.vn πŸ”’
NSd.dns-servers.vn πŸ”’
NSe.dns-servers.vn πŸ”’
NSf.dns-servers.vn πŸ”’
NSg.dns-servers.vn πŸ”’
NSh.dns-servers.vn πŸ”’
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030456136

Subdomains

Same first word

Similar names

DNS History

12 records (10 active, 2 former)

20162017201820192020202120222023202420252026NSns1.vdconline.vnns2.vdconline.vnMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA27.71.231.24103.28.37.169166.62.6.80
●NSns1.vdconline.vn2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●NSns2.vdconline.vn2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXalt1.aspmx.l.google.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXalt2.aspmx.l.google.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXaspmx.l.google.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXaspmx2.googlemail.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXaspmx3.googlemail.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXaspmx4.googlemail.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
●MXaspmx5.googlemail.com2015-08-03 β†’ 2026-03-03 Β· 2 obs
● 2015-08-03 12:23:44
● 2026-03-03 12:08:48
β—‹A103.28.37.1692015-08-03 β†’ 2016-06-10 Β· 4 obs
● 2015-08-03 12:23:44
● 2016-06-10 01:14:04
β—‹ 2016-08-29 06:52:30
β—‹ 2026-03-03 12:08:48
β—‹A166.62.6.802016-08-29 β†’ 2017-09-26 Β· 5 obs
β—‹ 2016-06-10 01:14:04
● 2016-08-29 06:52:30
● 2017-09-26 22:22:14
β—‹ 2026-02-15 18:29:20
β—‹ 2026-03-03 12:08:48
●A27.71.231.242026-02-15 β†’ 2026-03-03 Β· 3 obs
β—‹ 2017-09-26 22:22:14
● 2026-02-15 18:29:20
● 2026-03-03 12:08:48

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
vng.dns-servers.vn, h.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn...16 records
osc.vnns1.vdconline.vn, ns2.vdconline.vn2 records

βœ… Authoritative Response

Server: 14.225.197.109

NS records: ns1.vdconline.vn, ns2.vdconline.vn

πŸ”’ DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at vn: Error: DNS query timeout: 202.47.142.105 for DNSKEY vn

⏱️ Timing

Total: 4162ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A127.71.231.24
NS2ns1.vdconline.vn, ns2.vdconline.vn
MX7aspmx3.googlemail.com (pri: 30), alt2.aspmx.l.google.com (pri: 20)...
SOA1ns1.vdconline.vn vdconline.tld

πŸ“Œ 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