`skydragon-ltd.com`

DNSSEC	⚠️ Not signed
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`mail.skydragon-ltd.com` ⭐
		A	182.239.50.170^{🇭🇰 ASL-338-HK182.239.50.0/24 Access Solutions Limited RM925, 9/F, BLK A, Hoi Luen Industrial Centre, 55 Hoi Yuen Road, Kwun Tong,}
			PTR	`gftunique.com`
MX	`mx1.skydragon-ltd.com` ⭐
		A	180.149.252.5^{🇭🇰 ASL-338-HK180.149.252.0/24 Access Solutions Limited RM925, 9/F, BLK A, Hoi Luen Industrial Centre, 55 Hoi Yuen Road, Kwun Tong,}
			PTR	`hero01.sslhosts.com`
MX	`mx2.skydragon-ltd.com` ⭐
		A	182.239.48.234^{🇭🇰 ASL-338-HK182.239.48.0/24 Access Solutions Limited RM925, 9/F, BLK A, Hoi Luen Industrial Centre, 55 Hoi Yuen Road, Kwun Tong,}
			PTR	`hero02.sslhosts.com`
TXT	`v=spf1 +a +mx +ip4:182.239.48.0/24 +ip4:180.149.252.0/24 +ip4:182.239.50.170 ...`
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-09 #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=1774658747

Subdomains

mail.skydragon-ltd.com

mx1.skydragon-ltd.com

mx2.skydragon-ltd.com

Same first word

skydragon-ltd.com

DNS History

5 records (5 active, 0 former)

●NSdns15.hichina.com2018-05-16 → 2026-03-28 · 2 obs

● 2018-05-16 12:34:04
● 2026-03-28 01:10:54

●NSdns16.hichina.com2018-05-16 → 2026-03-28 · 2 obs

● 2018-05-16 12:34:04
● 2026-03-28 01:10:54

●MXmail.skydragon-ltd.com2018-05-16 → 2026-03-28 · 2 obs

● 2018-05-16 12:34:04
● 2026-03-28 01:10:54

●MXmx1.skydragon-ltd.com2026-02-15 → 2026-03-28 · 3 obs

○ 2018-05-16 12:34:04
● 2026-02-15 06:23:14
● 2026-03-28 01:10:54

●MXmx2.skydragon-ltd.com2026-02-15 → 2026-03-28 · 3 obs

○ 2018-05-16 12:34:04
● 2026-02-15 06:23:14
● 2026-03-28 01:10:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
skydragon-ltd.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skydragon-ltd.com (unsigned zone)

⏱️ Timing

Total: 3504ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	3	`mail.skydragon-ltd.com (pri: 1), mx1.skydragon-ltd.com (pri: 1)...`
TXT	1	`v=spf1 +a +mx +ip4:182.239.48.0/24 +ip4:`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Hierarchy

skydragon-ltd.com is a parent of mail.skydragon-ltd.com, mx1.skydragon-ltd.com and mx2.skydragon-ltd.com.

Name Servers

skydragon-ltd.com is delegated to two name servers: dns15.hichina.com and dns16.hichina.com.

skydragon-ltd.com uses the same name server setup as other domains, for instance lumeo.cn, icmallonline.com, ileboo.com, hwcpharm.com and zlrlzyfw.com.

skydragon-ltd.com shares name servers with other domains at least partially, for instance gtdata.cn, vbn.cc, cakra.cn, longtime.net and mrpjw.com.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers: dns15.hichina.com points to 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122; dns16.hichina.com points to 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

skydragon-ltd.com is handled by three mail servers: mail.skydragon-ltd.com, mx1.skydragon-ltd.com and mx2.skydragon-ltd.com.

Host names with a single IP number:

mail.skydragon-ltd.com points to 182.239.50.170.

mx1.skydragon-ltd.com points to 180.149.252.5.

mx2.skydragon-ltd.com points to 182.239.48.234.

skydragon-ltd.com - robtex.com