sinofn.com - dns.ninja

`sinofn.com`

DNSSEC	⚠️ Not signed
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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,}
		A	139.224.142.110^{🇨🇳 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,}
NS	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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,}
		A	139.224.142.108^{🇨🇳 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,}
MX	`mx1.em.dingtalk.com` ⭐
MX	`mx2.em.dingtalk.com`⁽¹⁰⁾
MX	`mx3.em.dingtalk.com`⁽¹⁵⁾
MX	`mxbiz1.qq.com`⁽²⁰⁾
MX	`mxbiz2.qq.com`⁽²⁵⁾
TXT	`v=spf1 include:spf.em.dingtalk.com -all`
SOA	`dns21.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=1781987765

Same first word

sinofn.com

sinofn.net

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DNS History

14 records (7 active, 7 former)

●NSdns21.hichina.com2015-07-15 → 2026-06-20 · 5 obs

● 2015-07-15 19:18:10
● 2016-04-24 04:21:58
○ 2016-12-30 07:37:32
● 2019-02-04 08:25:28
● 2026-06-20 20:59:18

●NSdns22.hichina.com2015-07-15 → 2026-06-20 · 5 obs

● 2015-07-15 19:18:10
● 2016-04-24 04:21:58
○ 2016-12-30 07:37:32
● 2019-02-04 08:25:28
● 2026-06-20 20:59:18

○NSn3088.ns.yunjiasu.com2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 04:21:58
● 2016-12-30 07:37:32
○ 2019-02-04 08:25:28
○ 2026-06-20 20:59:18

○NSn77.ns.yunjiasu.com2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 04:21:58
● 2016-12-30 07:37:32
○ 2019-02-04 08:25:28
○ 2026-06-20 20:59:18

●MXmx1.em.dingtalk.com2026-03-09 → 2026-06-20 · 3 obs

○ 2015-07-15 19:18:10
● 2026-03-09 07:09:26
● 2026-06-20 20:59:18

●MXmx2.em.dingtalk.com2026-03-09 → 2026-06-20 · 3 obs

○ 2015-07-15 19:18:10
● 2026-03-09 07:09:26
● 2026-06-20 20:59:18

●MXmx3.em.dingtalk.com2026-03-09 → 2026-06-20 · 3 obs

○ 2015-07-15 19:18:10
● 2026-03-09 07:09:26
● 2026-06-20 20:59:18

●MXmxbiz1.qq.com2015-07-15 → 2026-06-20 · 2 obs

● 2015-07-15 19:18:10
● 2026-06-20 20:59:18

●MXmxbiz2.qq.com2015-07-15 → 2026-06-20 · 2 obs

● 2015-07-15 19:18:10
● 2026-06-20 20:59:18

○A104.31.252.632016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 04:21:58
● 2016-12-30 07:37:32
○ 2019-02-04 08:25:28
○ 2026-06-20 20:59:18

○A104.31.253.632016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 04:21:58
● 2016-12-30 07:37:32
○ 2019-02-04 08:25:28
○ 2026-06-20 20:59:18

○A118.123.18.2452019-02-04 → 2019-02-04 · 4 obs

○ 2016-12-30 07:37:32
● 2019-02-04 08:25:28
○ 2026-03-09 07:09:26
○ 2026-06-20 20:59:18

○A119.9.70.1612015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 19:18:10
○ 2015-09-22 10:49:04
○ 2026-06-20 20:59:18

○A47.88.16.1302015-09-22 → 2016-04-24 · 5 obs

○ 2015-07-15 19:18:10
● 2015-09-22 10:49:04
● 2016-04-24 04:21:58
○ 2016-12-30 07:37:32
○ 2026-06-20 20:59:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sinofn.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinofn.com (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	5	`mxbiz2.qq.com (pri: 25), mx3.em.dingtalk.com (pri: 15)...`
TXT	1	`v=spf1 include:spf.em.dingtalk.com -all`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

Name Servers

The NS records for sinofn.com delegate to dns21.hichina.com and dns22.hichina.com.

sinofn.com has the same name server delegation as a number of other domains, such as nbrsedu.com, gz381.com, yatuoyun.com and two more.

At least some of sinofn.com's name servers are shared with other domains, for example zhiganshu.com.cn, beijing-ndcs.com.cn, opentest.cn and two more.

These name servers tend to be deployed in combination with the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names resolving to 9 IP numbers:

dns21.hichina.com maps to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 additional IP addresses.

dns22.hichina.com maps to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 additional IP addresses.

Mail Servers

sinofn.com has five mail servers, which are mxbiz1.qq.com, mxbiz2.qq.com, mx1.em.dingtalk.com and two others.

sinofn.com shares at least some of its mail servers with other domains — for example licy.cn, dfoam.com, 50sht.com and two more.

It is common to find these mail servers paired with mail servers mx2.em.dingtalk.com, mx3.em.dingtalk.com, mx1.qiye.aliyun.com and 4 more.