mail.server520.com - robtex.com

mail.server520.com

server520.com

DNSSEC⚠️ Not signed
A120.24.226.48🇨🇳 Alibaba-Cloud120.24.0.0/16
NSns3.01isp.com ⭐ ⚠️ Not in zone NS records
NSns4.01isp.net ⚠️ Not in zone NS records
NSns7.01isp.com ⚠️ Not in parent delegation
NSns8.01isp.net ⚠️ Not in parent delegation
MXmx2.qiye.aliyun.com(2)
MXmxn.mxhichina.com(5)
MXmxw.mxhichina.com(10)
TXTv=spf1 include:spf.mxhichina.com -all
SOAns3.01isp.comadmin@now.cn 2026-03-19 #1

Previously MX for

Same first word

Similar names

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
server520.comns3.01isp.com, ns4.01isp.net1 record

✅ Authoritative Response

Server:47.239.41.106

NS records: ns3.01isp.com, ns4.01isp.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for server520.com (unsigned zone)

⏱️ Timing

Total: 4159ms | Queries: -

📄 Records

TypeCountSample Data
A1120.24.226.48

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns3.01isp.com)