mail.coukuan.com - robtex.com

mail.coukuan.com

DNSSEC⚠️ Not signed
A49.51.242.15🇺🇸 TENCENT-NET-AP-CN49.51.242.0/23 Proxy-registered route object

coukuan.com

DNSSEC⚠️ Not signed
NSdns25.hichina.com ⭐
NSdns26.hichina.com
MXmail.coukuan.com ⭐
SOAdns25.hichina.comhostmaster@hichina.com 2026-01-12 #9

MX for

coukuan.com

Same first word

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DNS History

1 record (1 active, 0 former)

A49.51.242.15
●A49.51.242.152026-04-14 → 2026-05-11 · 2 obs
● 2026-04-14 21:55:12
● 2026-05-11 04:35:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...-
coukuan.comdns25.hichina.com, dns26.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coukuan.com (unsigned zone)

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

TypeCountSample Data
A149.51.242.15

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

Mail Server Role

mail.coukuan.com is the mail server for coukuan.com.

IP Addresses

mail.coukuan.com maps to IP address 49.51.242.15.

Other host names, for instance mail.uhoney.net, mail.lvtiandi.com, mail.sangenia.com, mail.jiemama.com and mail.duohecha.com share IP numbers with mail.coukuan.com.