www.threeoa.com - robtex.com

www.threeoa.com

DNSSEC⚠️ Not signed
A203.156.255.40🇨🇳 SHANGHAITELECOM203.156.192.0/18 Proxy-registered route object

threeoa.com

DNSSEC⚠️ Not signed
A203.156.255.40🇨🇳 SHANGHAITELECOM203.156.192.0/18 Proxy-registered route object
NSdns13.hichina.com ⭐
NSdns14.hichina.com
MXhzmx01.mxmail.netease.com ⭐
MXhzmx02.mxmail.netease.com ⭐
TXTv=spf1 include:spf.163.com -all
TXT20170413000000166cvom3c00ryzdo5efhptooq73pfddjbti1jah1jxic47deza
TXTv=spf1 include:spf.mail.qq.com ~all
SOAdns13.hichina.comhostmaster@hichina.com 2026-01-12 #9

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A203.156.255.40203.156.255.39
○A203.156.255.392020-01-20 → 2020-01-20 · 4 obs
○ 2017-02-17 00:21:02
● 2020-01-20 18:24:50
○ 2026-02-25 22:04:58
○ 2026-04-15 18:09:34
●A203.156.255.402015-07-20 → 2026-04-15 · 5 obs
● 2015-07-20 03:11:40
● 2017-02-17 00:21:02
○ 2020-01-20 18:24:50
● 2026-02-25 22:04:58
● 2026-04-15 18:09:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
threeoa.comdns13.hichina.com, dns14.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for threeoa.com (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

TypeCountSample Data
A1203.156.255.40

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)

Analysis

IP Addresses

www.threeoa.com resolves to one IP number: 203.156.255.40.

Other host names, for instance heyubao.com, docs.heyubao.com and threeoa.com share IP numbers with www.threeoa.com.