dns.51mail.com - robtex.com

dns.51mail.com

DNSSEC⚠️ Not signed
A61.129.48.132🇨🇳 SHANGHAITELECOM61.129.0.0/17 Chinanet Shanghai

51mail.com

DNSSEC⚠️ Not signed
A208.91.197.27🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object
NSdns.51mail.com ⭐
NSdns.51jobapp.com ⚠️ Not in zone NS records
NSns3.51mail.com
SOAdns.51mail.comroot@dns.51mail.com 2025-12-05 #1

NS for

51mail.com

Same first word

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DNS History

1 record (1 active, 0 former)

A61.129.48.132
●A61.129.48.1322026-02-19 → 2026-04-28 · 2 obs
● 2026-02-19 15:59:58
● 2026-04-28 00:09:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
51mail.comdns.51jobapp.com, dns.51mail.com, ns3.51mail.com4 records

✅ Authoritative Response

Server:61.129.48.132

NS records: dns.51jobapp.com, dns.51mail.com, ns3.51mail.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 582ms | Queries: -

📄 Records

TypeCountSample Data
A161.129.48.132

📌 Glue Records Collected

Total: 4

In-bailiwick: 2 (dns.51mail.com, ns3.51mail.com)

Out-of-bailiwick: 2 (dns.51jobapp.com, dns.51jobapp.com)

Analysis

Name Server Role

For 51mail.com, dns.51mail.com is used as its name server.

ns3.51mail.com commonly serves as a name server together with dns.51mail.com.

IP Addresses

dns.51mail.com points to IP number: 61.129.48.132.

Other host names for instance ns9.51job.com, ns5.51job.com, dns.51job.com and ns7.51job.com share IP numbers with dns.51mail.com.