ostech.com.cn - dns.ninja

ostech.com.cn

DNSSEC⚠️ Not signed
NSdns19.hichina.com ⚠️ Not in zone NS records
A2408:4009:501::27🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.110🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns20.hichina.com ⚠️ Not in zone NS records
A2408:4009:501::28🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.108🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030753261
WOT: NOT_SAFE (20/100)

Same first word

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stecho.in

DNS History

7 records (2 active, 5 former)

20162017201820192020202120222023202420252026NSdns19.hichina.comdns20.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA121.197.96.77121.199.61.0CNAMEostech.com.cn.w.kunlunaq.com
●NSdns19.hichina.com2015-06-10 → 2026-08-14 · 2 obs
● 2015-06-10 12:13:38
● 2026-08-14 16:12:40
●NSdns20.hichina.com2015-06-10 → 2026-08-14 · 2 obs
● 2015-06-10 12:13:38
● 2026-08-14 16:12:40
○MXmxn.mxhichina.com2015-06-10 → 2017-04-19 · 3 obs
● 2015-06-10 12:13:38
● 2017-04-19 21:01:10
○ 2026-08-14 16:12:40
○MXmxw.mxhichina.com2015-06-10 → 2017-04-19 · 3 obs
● 2015-06-10 12:13:38
● 2017-04-19 21:01:10
○ 2026-08-14 16:12:40
○A121.197.96.772015-06-10 → 2015-06-10 · 3 obs
● 2015-06-10 12:13:38
○ 2015-10-29 02:14:34
○ 2026-08-14 16:12:40
○A121.199.61.02015-10-29 → 2017-04-19 · 5 obs
○ 2015-06-10 12:13:38
● 2015-10-29 02:14:34
● 2017-04-19 21:01:10
○ 2026-03-26 12:32:20
○ 2026-08-14 16:12:40
○CNAMEostech.com.cn.w.kunlunaq.com2026-03-26 → 2026-06-18 · 5 obs
● 2026-03-26 12:32:20
● 2026-05-18 23:52:34
○ 2026-06-04 06:34:46
● 2026-06-18 15:09:52
○ 2026-08-14 16:12:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
ostech.com.cndns19.hichina.com, dns20.hichina.com-

✅ Authoritative Response

Server:39.96.153.61

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostech.com.cn (unsigned zone)

⏱️ Timing

Total: 4067ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns20.hichina.com, dns19.hichina.com
MX2mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)
TXT1v=spf1 include:spf.mxhichina.com -all
CNAME1ostech.com.cn.w.kunlunaq.com
SOA1dns19.hichina.com hostmaster.hichina.com

Analysis

Name Servers

ostech.com.cn is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.

ostech.com.cn uses the same name servers as several other domains — among them nbst666.top, caodeshuang.com, lestercatalog.cn and two more.

The name servers of ostech.com.cn overlap at least partially with those of other domains — among them tomatocat.com, zongtalk.mobi, actime.net and two more.

These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.

Hostnames that resolve to 9 IP addresses:

dns19.hichina.com resolves to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns20.hichina.com resolves to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.