`rc528.com`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
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}
			PTR	`ip-39-96-153-39.defastlink.net`
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-59.defastlink.net`
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-199.defastlink.net`
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-219.defastlink.net`
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-39.defastlink.net`
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-59.defastlink.net`
		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,}
			PTR	`ip-139-224-142-99.defastlink.net`
		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,}
			PTR	`ip-139-224-142-109.defastlink.net`
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}
			PTR	`ip-39-96-153-37.defastlink.net`
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-62.defastlink.net`
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-197.defastlink.net`
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-221.defastlink.net`
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-37.defastlink.net`
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-62.defastlink.net`
		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,}
			PTR	`ip-139-224-142-102.defastlink.net`
		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,}
			PTR	`ip-139-224-142-107.defastlink.net`
MX	`mx1.chengmail.cn` ⭐
		A	103.143.231.69^{🇭🇰 YISUCLOUDLTD-HK103.143.231.0/24 Hongkong Hongdou Technology Co., Limited FLAT/RM B07 23/F HOVER INDUSTRIAL BUILDING NO.26-38 KWAI CHEONG ROAO, NT}
		A	113.10.158.179^{🇭🇰 HKBNESL-AS-AP113.10.158.0/24 New World Telecommunications Limited Hong Kong Broadband Network Ltd 15/F, Trans Asia Centre 18 Kin Hong Street, Kwai Chung, N.T.}
MX	`mx2.chengmail.cn`⁽²⁰⁾
		A	103.143.231.69^{🇭🇰 YISUCLOUDLTD-HK103.143.231.0/24 Hongkong Hongdou Technology Co., Limited FLAT/RM B07 23/F HOVER INDUSTRIAL BUILDING NO.26-38 KWAI CHEONG ROAO, NT}
		A	113.10.158.179^{🇭🇰 HKBNESL-AS-AP113.10.158.0/24 New World Telecommunications Limited Hong Kong Broadband Network Ltd 15/F, Trans Asia Centre 18 Kin Hong Street, Kwai Chung, N.T.}
TXT	`v=spf1 include:spf.chengmail.cn ~all`
SOA	`dns31.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=1771291435

Subdomains

www.rc528.com

Same first word

rc528.com

DNS History

14 records (5 active, 9 former)

●NSdns31.hichina.com2026-02-27 → 2026-03-24 · 3 obs

○ 2017-08-08 15:04:10
● 2026-02-27 00:58:58
● 2026-03-24 10:01:10

●NSdns32.hichina.com2026-02-27 → 2026-03-24 · 3 obs

○ 2017-08-08 15:04:10
● 2026-02-27 00:58:58
● 2026-03-24 10:01:10

○NSns17.xincache.com2015-05-29 → 2017-08-08 · 4 obs

● 2015-05-29 17:21:00
● 2017-08-08 15:04:10
○ 2026-02-27 00:58:58
○ 2026-03-24 10:01:10

○NSns18.xincache.com2015-05-29 → 2016-12-05 · 4 obs

● 2015-05-29 17:21:00
● 2016-12-05 01:12:24
○ 2026-02-27 00:58:58
○ 2026-03-24 10:01:10

○MXmx-n.global-mail.cn2016-12-05 → 2016-12-05 · 4 obs

○ 2016-11-25 19:19:56
● 2016-12-05 01:12:24
○ 2017-08-08 15:04:10
○ 2026-03-24 10:01:10

○MXmx.263.net2015-05-29 → 2015-12-24 · 4 obs

● 2015-05-29 17:21:00
● 2015-12-24 19:04:10
○ 2016-03-29 19:09:28
○ 2026-03-24 10:01:10

○MXmx.ym.163.com2016-03-29 → 2016-11-25 · 5 obs

○ 2015-12-24 19:04:10
● 2016-03-29 19:09:28
● 2016-11-25 19:19:56
○ 2016-12-05 01:12:24
○ 2026-03-24 10:01:10

○MXmx1-n.global-mail.cn2016-12-05 → 2016-12-05 · 4 obs

○ 2016-11-25 19:19:56
● 2016-12-05 01:12:24
○ 2017-08-08 15:04:10
○ 2026-03-24 10:01:10

●MXmx1.chengmail.cn2017-08-08 → 2026-03-24 · 3 obs

○ 2016-12-05 01:12:24
● 2017-08-08 15:04:10
● 2026-03-24 10:01:10

●MXmx2.chengmail.cn2017-08-08 → 2026-03-24 · 3 obs

○ 2016-12-05 01:12:24
● 2017-08-08 15:04:10
● 2026-03-24 10:01:10

○MXmxw.263.net2015-05-29 → 2015-12-24 · 4 obs

● 2015-05-29 17:21:00
● 2015-12-24 19:04:10
○ 2016-03-29 19:09:28
○ 2026-03-24 10:01:10

○A115.159.96.2362015-05-29 → 2016-03-29 · 4 obs

● 2015-05-29 17:21:00
● 2016-03-29 19:09:28
○ 2016-11-25 19:19:56
○ 2026-03-24 10:01:10

○A121.40.173.682016-11-25 → 2017-08-08 · 5 obs

○ 2016-03-29 19:09:28
● 2016-11-25 19:19:56
● 2017-08-08 15:04:10
○ 2026-02-27 00:58:58
○ 2026-03-24 10:01:10

●A203.107.45.1672026-02-27 → 2026-03-24 · 3 obs

○ 2017-08-08 15:04:10
● 2026-02-27 00:58:58
● 2026-03-24 10:01:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rc528.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rc528.com (unsigned zone)

⏱️ Timing

Total: 3807ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.107.45.167`
NS	2	`dns31.hichina.com, dns32.hichina.com`
MX	2	`mx2.chengmail.cn (pri: 20), mx1.chengmail.cn (pri: 10)`
TXT	1	`v=spf1 include:spf.chengmail.cn ~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

Hierarchy

The parent of www.rc528.com is rc528.com.

IP Addresses

rc528.com points to a single IP address: 203.107.45.167.

Other host names such as lititi.com, 51ququ.com, qdhn.com, sblx.net and bjq.com share IPs with rc528.com.

Name Servers

Two name servers dns31.hichina.com and dns32.hichina.com handle the delegation for rc528.com.

rc528.com shares the same name server setup as other domains, for example yimininfo.com, czj9.com, pzhjk.com, czjcbdf.com and qianyuanshutou.com.

rc528.com partially shares name servers with other domains, for example pzcnet.com and gxyxxm.com.

Host names with nine IP numbers: dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

Two mail servers handle rc528.com: mx1.chengmail.cn and mx2.chengmail.cn.

rc528.com shares the same mail server setup as other domains, including chidg.com, ehmall.com.cn, xzjwgkzx.com, baolede.com and yipianyun.com.

rc528.com shares some mail servers with other domains, for example ingiant.cn.

Names with two IPs:

mx1.chengmail.cn points to: 103.143.231.69 and 113.10.158.179.

mx2.chengmail.cn points to: 103.143.231.69 and 113.10.158.179.

Names pointing to 103.143.231.69: mx1.chengmail.cn and mx2.chengmail.cn.

Names pointing to 113.10.158.179: mx1.chengmail.cn and mx2.chengmail.cn.

rc528.com - robtex.com

rc528.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rc528.com`

`com`