`avsys.cn`

DNSSEC	⚠️ Not signed
A	152.136.137.16^{🇨🇳 TENCENT-NET-AP152.136.136.0/22 CT BeiJing IDC}
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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,}
		A	139.224.142.109^{🇨🇳 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,}
NS	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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,}
		A	139.224.142.107^{🇨🇳 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,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-05-28 #9

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035171496

Same first word

avsys.xyz

avsys.co.uk

avsys.com

avsys.cn

avsys.eu

avsys.mx

avsys.co

avsys.fr

avsys.ru

avsys.cl

avsys.it

avsys.com.au

avsys.gr

avsys.com.mx

Similar names

sysav.com

vasys.net

syvsa.com

vyass.com

svyas.com

vasys.com

vsays.com

savys.pk

vassy.de

vasys.org

vyass.net

sysva.com

savys.com

savys.net

sysav.se

sayvs.com

vsays.cn

avssy.com

DNS History

6 records (5 active, 1 former)

●NSdns31.hichina.com2015-08-19 → 2026-08-12 · 2 obs

● 2015-08-19 04:37:56
● 2026-08-12 10:09:32

●NSdns32.hichina.com2015-08-19 → 2026-08-12 · 2 obs

● 2015-08-19 04:37:56
● 2026-08-12 10:09:32

●MXmxbiz1.qq.com2015-08-19 → 2026-08-12 · 5 obs

● 2015-08-19 04:37:56
● 2020-01-11 06:25:16
○ 2026-07-12 14:51:06
● 2026-08-12 10:09:30
● 2026-08-12 10:09:32

●MXmxbiz2.qq.com2015-08-19 → 2026-08-12 · 5 obs

● 2015-08-19 04:37:56
● 2020-01-11 06:25:16
○ 2026-07-12 14:51:06
● 2026-08-12 10:09:30
● 2026-08-12 10:09:32

○A115.28.30.1092020-01-11 → 2020-01-11 · 3 obs

● 2020-01-11 06:25:16
○ 2026-05-19 08:38:02
○ 2026-08-12 10:09:32

●A152.136.137.162026-05-19 → 2026-08-12 · 5 obs

○ 2020-01-11 06:25:16
● 2026-05-19 08:38:02
○ 2026-07-12 14:51:06
● 2026-08-12 10:09:30
● 2026-08-12 10:09:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
avsys.cn	dns31.hichina.com, dns32.hichina.com	-

✅ Authoritative Response

Server:120.76.107.62

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for avsys.cn (unsigned zone)

⏱️ Timing

Total: 1693ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`152.136.137.16`
NS	2	`dns31.hichina.com, dns32.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

avsys.cn has exactly one IP address — 152.136.137.16.

Name Servers

DNS delegation for avsys.cn points to two name servers: dns31.hichina.com and dns32.hichina.com.

The name server configuration of avsys.cn is shared with other domains, for instance dyt888.com, kindlivecast.com, yx44755.com and two others.

avsys.cn shares at least some of its name servers with domains including 3372.cn, hbshuntian.com and huixueyuan.com

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

Hosts with 9 IP addresses each:

dns31.hichina.com has IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, plus 6 other.

dns32.hichina.com has IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, plus 6 other.

Mail Servers

avsys.cn uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of avsys.cn matches that of other domains such as colourstek.com, honka.com.cn, volport.com and two others.

avsys.cn partially shares its mail servers with other domains — including fomind.com, etenstory.com, zghro.com and cmsk1979.com.

avsys.cn - robtex.com

avsys.cn

cn