`btn.cn`

DNSSEC	⚠️ Not signed
NS	`dns17.hichina.com` ⭐
		A	2408:4009:501::25^{🇨🇳 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	`dns18.hichina.com`
		A	2408:4009:501::26^{🇨🇳 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	`mxw.263.net` ⭐
		A	143.110.227.31^{🇺🇸 DIGITALOCEAN143.110.224.0/20 DigitalOcean}
		A	164.92.126.242^{🇺🇸 DIGITALOCEAN164.92.96.0/19 DigitalOcean}
MX	`mx.263.net`⁽¹⁰⁾
		A	38.83.106.84^{🇺🇸 AS6319938.83.106.0/24 CS-34755}
			PTR	`us-mx1.263.net`
		A	38.83.106.85^{🇺🇸 AS6319938.83.106.0/24 CS-34755}
			PTR	`us-mx2.263.net`
		A	143.110.227.31^{🇺🇸 DIGITALOCEAN143.110.224.0/20 DigitalOcean}
		A	164.92.126.242^{🇺🇸 DIGITALOCEAN164.92.96.0/19 DigitalOcean}
TXT	`MS=ms61921714`
TXT	`v=spf1 include:spf.263.net -all`
SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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 2035-06-18 #62

Same first word

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DNS History

4 records (4 active, 0 former)

●NSdns17.hichina.com2026-05-23 → 2026-07-19 · 2 obs

● 2026-05-23 18:21:48
● 2026-07-19 22:08:24

●NSdns18.hichina.com2026-05-23 → 2026-07-19 · 2 obs

● 2026-05-23 18:21:48
● 2026-07-19 22:08:24

●MXmx.263.net2026-05-23 → 2026-07-19 · 2 obs

● 2026-05-23 18:21:48
● 2026-07-19 22:08:24

●MXmxw.263.net2026-05-23 → 2026-07-19 · 2 obs

● 2026-05-23 18:21:48
● 2026-07-19 22:08:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
btn.cn	dns17.hichina.com, dns18.hichina.com	-

✅ Authoritative Response

Server:139.224.142.98

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btn.cn (unsigned zone)

⏱️ Timing

Total: 3012ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns18.hichina.com, dns17.hichina.com`
MX	2	`mxw.263.net (pri: 5), mx.263.net (pri: 10)`
TXT	2	`v=spf1 include:spf.263.net -all, MS=ms61921714`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

The NS records for btn.cn delegate to dns17.hichina.com and dns18.hichina.com.

btn.cn shares its NS records with other domains, for example mcgm.cn, seweishi.com, yndgks.cn and two others.

The name servers of btn.cn overlap at least partially with those of other domains — among them gouwanmei.net, bucherer.hk, lwek.cn and two more.

These name servers commonly co-occur with the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

DNS names with 9 IP addresses:

dns17.hichina.com maps to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 additional IP addresses.

dns18.hichina.com maps to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 additional IP addresses.