51dlb.com - robtex.com

51dlb.com

DNSSEC⚠️ Not signed
A38.38.146.48🇺🇸 PEGTECHINC38.38.128.0/18 PEG TECH INC
NSns1.sharesdns.com
A154.86.21.194🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A177.2.31.194🇧🇷 AS-V177.2.0.0/18
NSns2.sharesdns.com
A154.86.21.195🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED
A177.2.31.195🇧🇷 AS-V177.2.0.0/18
SOAns1.sharesdns.comadmin@sharesdns.com serial=1778406150

com

Subdomains

Same first word

Similar names

DNS History

15 records (3 active, 12 former)

20162017201820192020202120222023202420252026NSns1.sharesdns.comns2.sharesdns.comdns10.hichina.comdns9.hichina.comns7.ns365.netns8.ns365.netvip1.alidns.comvip2.alidns.comMXmail.51dlb.commxn.mxhichina.commxw.mxhichina.comA38.38.146.48113.10.144.53123.57.47.153154.202.119.40
NSdns10.hichina.com2016-07-18 → 2016-11-19 · 5 obs
○ 2016-03-11 22:29:10
● 2016-07-18 17:18:06
● 2016-11-19 19:29:14
○ 2017-05-27 02:00:44
○ 2026-07-19 10:09:08
NSdns9.hichina.com2016-07-18 → 2016-11-19 · 5 obs
○ 2016-03-11 22:29:10
● 2016-07-18 17:18:06
● 2016-11-19 19:29:14
○ 2017-05-27 02:00:44
○ 2026-07-19 10:09:08
NSns1.sharesdns.com2026-04-01 → 2026-07-19 · 3 obs
○ 2017-05-27 02:00:44
● 2026-04-01 16:36:48
● 2026-07-19 10:09:08
NSns2.sharesdns.com2026-04-01 → 2026-07-19 · 3 obs
○ 2017-05-27 02:00:44
● 2026-04-01 16:36:48
● 2026-07-19 10:09:08
NSns7.ns365.net2015-06-14 → 2016-03-11 · 4 obs
● 2015-06-14 12:47:24
● 2016-03-11 22:29:10
○ 2016-07-18 17:18:06
○ 2026-07-19 10:09:08
NSns8.ns365.net2015-06-14 → 2016-03-11 · 4 obs
● 2015-06-14 12:47:24
● 2016-03-11 22:29:10
○ 2016-07-18 17:18:06
○ 2026-07-19 10:09:08
NSvip1.alidns.com2017-05-27 → 2017-05-27 · 4 obs
○ 2016-11-19 19:29:14
● 2017-05-27 02:00:44
○ 2026-04-01 16:36:48
○ 2026-07-19 10:09:08
NSvip2.alidns.com2017-05-27 → 2017-05-27 · 4 obs
○ 2016-11-19 19:29:14
● 2017-05-27 02:00:44
○ 2026-04-01 16:36:48
○ 2026-07-19 10:09:08
MXmail.51dlb.com2015-06-14 → 2016-03-11 · 4 obs
● 2015-06-14 12:47:24
● 2016-03-11 22:29:10
○ 2016-07-18 17:18:06
○ 2026-07-19 10:09:08
MXmxn.mxhichina.com2017-05-27 → 2017-05-27 · 4 obs
○ 2016-07-18 17:18:06
● 2017-05-27 02:00:44
○ 2026-04-01 16:36:48
○ 2026-07-19 10:09:08
MXmxw.mxhichina.com2017-05-27 → 2017-05-27 · 4 obs
○ 2016-07-18 17:18:06
● 2017-05-27 02:00:44
○ 2026-04-01 16:36:48
○ 2026-07-19 10:09:08
A113.10.144.532015-06-14 → 2016-03-11 · 4 obs
● 2015-06-14 12:47:24
● 2016-03-11 22:29:10
○ 2016-07-18 17:18:06
○ 2026-07-19 10:09:08
A123.57.47.1532016-07-18 → 2017-05-27 · 5 obs
○ 2016-03-11 22:29:10
● 2016-07-18 17:18:06
● 2017-05-27 02:00:44
○ 2026-04-01 16:36:48
○ 2026-07-19 10:09:08
A154.202.119.402026-04-01 → 2026-05-02 · 5 obs
○ 2017-05-27 02:00:44
● 2026-04-01 16:36:48
● 2026-05-02 06:06:12
○ 2026-06-17 00:36:48
○ 2026-07-19 10:09:08
A38.38.146.482026-06-17 → 2026-07-19 · 3 obs
○ 2026-05-02 06:06:12
● 2026-06-17 00:36:48
● 2026-07-19 10:09:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
51dlb.comns1.sharesdns.com, ns2.sharesdns.com4 records

✅ Authoritative Response

Server:154.86.21.195

NS records: ns1.sharesdns.com, ns2.sharesdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51dlb.com (unsigned zone)

⏱️ Timing

Total: 476ms | Queries: -

📄 Records

TypeCountSample Data
A138.38.146.48
NS2ns1.sharesdns.com, ns2.sharesdns.com
SOA1ns1.sharesdns.com admin.sharesdns.com

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.sharesdns.com, ns1.sharesdns.com, ns2.sharesdns.com...)

Analysis

Hierarchy

51dlb.com is a parent domain of mail.51dlb.com.

IP Addresses

51dlb.com resolves to just one IP address, 38.38.146.48.

There are other host names — mail.51dlb.com among them — that share IP numbers with 51dlb.com.

Name Servers

DNS delegation for 51dlb.com points to two name servers: ns1.sharesdns.com and ns2.sharesdns.com.

51dlb.com shares its NS records with other domains, for example bjmail.com, jckqyy.com, btyhwj.com and two others.

ns1.sharesdns.com directs to 154.86.21.194 and 177.2.31.194. ns2.sharesdns.com directs to 154.86.21.195 and 177.2.31.195. Each host name carries two IP addresses.