polynat.com - dns.ninja

`polynat.com`

DNSSEC	⚠️ Not signed
A	121.199.173.24^{🇨🇳 Alibaba-Cloud121.199.0.0/16}
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	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786311059

Same first word

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DNS History

7 records (5 active, 2 former)

●NSdns31.hichina.com2015-07-18 → 2026-08-09 · 2 obs

● 2015-07-18 10:45:10
● 2026-08-09 21:50:00

●NSdns32.hichina.com2015-07-18 → 2026-08-09 · 2 obs

● 2015-07-18 10:45:10
● 2026-08-09 21:50:00

●MXhzmx01.mxmail.netease.com2015-07-18 → 2026-08-09 · 6 obs

● 2015-07-18 10:45:10
● 2019-03-30 09:11:40
○ 2026-03-07 23:45:02
○ 2026-04-11 20:05:02
● 2026-04-22 19:33:46
● 2026-08-09 21:50:00

●MXhzmx02.mxmail.netease.com2015-07-18 → 2026-08-09 · 6 obs

● 2015-07-18 10:45:10
● 2019-03-30 09:11:40
○ 2026-03-07 23:45:02
○ 2026-04-11 20:05:02
● 2026-04-22 19:33:46
● 2026-08-09 21:50:00

●A121.199.173.242026-04-22 → 2026-08-09 · 3 obs

○ 2026-03-07 23:45:02
● 2026-04-22 19:33:46
● 2026-08-09 21:50:00

○A218.5.72.1162015-07-18 → 2019-03-30 · 4 obs

● 2015-07-18 10:45:10
● 2019-03-30 09:11:40
○ 2026-03-07 23:45:02
○ 2026-08-09 21:50:00

○CNAMEmg.wzkex.com2026-03-07 → 2026-08-09 · 2 obs

○ 2026-03-07 23:45:02
○ 2026-08-09 21:50:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
polynat.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polynat.com (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.199.173.24`
NS	2	`dns32.hichina.com, dns31.hichina.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)

Analysis

IP Addresses

polynat.com resolves to just one IP address, 121.199.173.24.

Two other host names, along with zento.cn, anhelec.com and f5u.cn, also share IP numbers with polynat.com.

Name Servers

polynat.com uses two name servers for its delegation: dns31.hichina.com and dns32.hichina.com.

polynat.com shares its NS records with other domains, for example 68eu.cn, tmpservice.cn, chanjiujiu.com and two others.

polynat.com partially shares its NS delegation with several other domains, including oqh.cc, ytdezhong.com, rhcai.com and two others.

The name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com are often found in use alongside these name servers.

DNS names with 9 IP addresses:

Hostname dns31.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.

Hostname dns32.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.

Mail Servers

polynat.com is served by two mail servers, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

Among the domains sharing a mail server setup with polynat.com are esdvip.com, xmhuidx.com, sanhuu.cn and two others.

The MX records for polynat.com are at least partially shared with other domains, such as maxonncorp.com, walltechsystem.cn, xuexivip.com and dangan.com.

hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com share the same two IP addresses — 47.251.71.119 and 47.251.84.126.

Both hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com resolve to 47.251.71.119 IP addresses each.

Both hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com resolve to 47.251.84.126 IP addresses each.