mail.52820.com - robtex.com
mail.52820.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.147.202.168🇨🇳 CHINANET-BACKBONE119.144.0.0/14 CHINANET GUANGDONG NETWORK | ||||||
52820.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.147.202.174🇨🇳 CHINANET-BACKBONE119.144.0.0/14 CHINANET GUANGDONG NETWORK | ||||||
| NS | a.misconfigured.dns.server.invalid ⭐ | ||||||
| NS | ns1.pddns.com | ||||||
| NS | ns2.pddns.com | ||||||
| NS | ns3.pddns.com ⚠️ Not in zone NS records | ||||||
| MX | mail.52820.com ⭐ | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | a.misconfigured.dns.server.invalidhostmaster@52820.com 2026-05-06 #2 | ||||||
MX for
Same first word
Similar names
DNS History
3 records (1 active, 2 former)
○NS52820.com2015-11-09 → 2016-04-16 · 4 obs
● 2015-11-09 10:11:18
● 2016-04-16 13:55:14
○ 2026-02-20 06:57:56
○ 2026-07-31 00:30:16
● 2016-04-16 13:55:14
○ 2026-02-20 06:57:56
○ 2026-07-31 00:30:16
●A119.147.202.1682026-02-20 → 2026-07-31 · 3 obs
○ 2016-04-16 13:55:14
● 2026-02-20 06:57:56
● 2026-07-31 00:30:16
● 2026-02-20 06:57:56
● 2026-07-31 00:30:16
○A119.29.57.2442015-06-14 → 2016-04-16 · 4 obs
● 2015-06-14 16:22:28
● 2016-04-16 13:55:14
○ 2026-02-20 06:57:56
○ 2026-07-31 00:30:16
● 2016-04-16 13:55:14
○ 2026-02-20 06:57:56
○ 2026-07-31 00:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net... | - |
| 52820.com | ns1.pddns.com, ns2.pddns.com, ns3.pddns.com | 3 records |
✅ Authoritative Response
Server:49.234.77.21
NS records: ns1.pddns.com, ns2.pddns.com, ns3.pddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 52820.com (unsigned zone)
⏱️ Timing
Total: 3617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.147.202.168 |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.pddns.com, ns2.pddns.com, ns3.pddns.com)
Analysis
Mail Server Role
Mail for 52820.com is routed through the mail server mail.52820.com.
IP Addresses
mail.52820.com has exactly one IP address — 119.147.202.168.
The host names mail.qvdns.com, mail.es8.cn, mail.514000.com and mail.idc1688.com all share IP numbers with mail.52820.com.