course.bitsde.com - dns.ninja

course.bitsde.com

DNSSEC⚠️ Not signed
A211.100.7.165🇨🇳 CHINA-1211.100.0.0/18 China Telecom Beijing Co. Ltd.

bitsde.com

DNSSEC⚠️ Not signed
NSdns1.hichina.com ⭐
NSdns2.hichina.com
MXcert.hello.ac.cn ⭐
SOAdns1.hichina.comhostmaster@hichina.com 2026-01-12 #9

Same first word

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DNS History

1 record (1 active, 0 former)

A211.100.7.165
●A211.100.7.1652026-02-19 → 2026-08-11 · 2 obs
● 2026-02-19 04:51:34
● 2026-08-11 19:31:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bitsde.comdns2.hichina.com, dns1.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitsde.com (unsigned zone)

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

TypeCountSample Data
A1211.100.7.165

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

IP Addresses

course.bitsde.com points to a single IP number: 211.100.7.165.