mail.btzk.com - robtex.com

mail.btzk.com

CNAMEoverdue.aliyun.com
DNSSEC⚠️ Not signed
A170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811

btzk.com

CNAMEoverdue.aliyun.com
DNSSEC⚠️ Not signed
A170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811

Previously MX for

btzk.com

Same first word

mail.ufcfan.org
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DNS History

10 records (1 active, 9 former)

20162017201820192020202120222023202420252026NSdns1.name-services.comwww.btzk.comMX65.254.63.210io.bouncemx.comA65.254.63.21070.39.84.22670.39.84.24170.39.84.242CNAMEoverdue.aliyun.comb.dcoin.co
○NSdns1.name-services.com2015-08-18 → 2015-08-18 · 3 obs
● 2015-08-18 13:33:36
○ 2015-12-15 06:52:52
○ 2026-04-14 06:47:36
○NSwww.btzk.com2016-09-09 → 2016-09-09 · 4 obs
○ 2015-12-15 06:52:52
● 2016-09-09 22:53:12
○ 2026-02-25 23:13:38
○ 2026-04-14 06:47:36
○MX65.254.63.2102015-08-18 → 2015-08-18 · 3 obs
● 2015-08-18 13:33:36
○ 2015-12-15 06:52:52
○ 2026-04-14 06:47:36
○MXio.bouncemx.com2015-12-15 → 2016-09-09 · 5 obs
○ 2015-08-18 13:33:36
● 2015-12-15 06:52:52
● 2016-09-09 22:53:12
○ 2026-02-25 23:13:38
○ 2026-04-14 06:47:36
○A65.254.63.2102015-08-18 → 2015-08-18 · 3 obs
● 2015-08-18 13:33:36
○ 2015-12-15 06:52:52
○ 2026-04-14 06:47:36
○A70.39.84.2262016-03-25 → 2016-03-25 · 4 obs
○ 2015-12-15 06:52:52
● 2016-03-25 08:33:38
○ 2016-09-09 22:53:12
○ 2026-04-14 06:47:36
○A70.39.84.2412016-09-09 → 2016-09-09 · 4 obs
○ 2016-03-25 08:33:38
● 2016-09-09 22:53:12
○ 2026-02-25 23:13:38
○ 2026-04-14 06:47:36
○A70.39.84.2422015-12-15 → 2015-12-15 · 4 obs
○ 2015-08-18 13:33:36
● 2015-12-15 06:52:52
○ 2016-03-25 08:33:38
○ 2026-04-14 06:47:36
○CNAMEb.dcoin.co2015-12-15 → 2016-09-09 · 4 obs
● 2015-12-15 06:52:52
● 2016-09-09 22:53:12
○ 2026-02-25 23:13:38
○ 2026-04-14 06:47:36
●CNAMEoverdue.aliyun.com2026-02-25 → 2026-04-14 · 3 obs
○ 2016-09-09 22:53:12
● 2026-02-25 23:13:38
● 2026-04-14 06:47:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
btzk.comdns23.hichina.com, dns24.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btzk.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1overdue.aliyun.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)

Analysis

IP Addresses

mail.btzk.com points to a single IP number: 170.33.12.185.

Other host names, for instance dounao.com, mwcs.cn, zmkb.cn, hghp.cn and ewem.cn share IP numbers with mail.btzk.com.