`rsrefractorychina.com`

DNSSEC	⚠️ Not signed
A	203.161.61.203^{🇺🇸 NAMCHEAP-PH203.161.61.0/24}
		PTR	`server1.zzrsrefractory.com`
NS	`dns1.hichina.com` ⭐
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 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	139.224.142.123^{🇨🇳 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	`dns2.hichina.com`
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 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	139.224.142.124^{🇨🇳 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.rsrefractorychina.com` ⭐
		A	203.161.61.203^{🇺🇸 NAMCHEAP-PH203.161.61.0/24}
			PTR	`server1.zzrsrefractory.com`
TXT	`v=spf1 +mx +a +ip4:203.161.61.203 ~all`
TXT	`google-site-verification=m-RZDweKLw2jjvLU5Ipx59BZHZuylspB1_NpIziTNoE`
SOA	`dns1.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1776078862

Subdomains

mail.rsrefractorychina.com

Same first word

rsrefractorychina.com

DNS History

5 records (4 active, 1 former)

●NSdns1.hichina.com2020-01-09 → 2026-04-13 · 2 obs

● 2020-01-09 08:31:04
● 2026-04-13 11:17:12

●NSdns2.hichina.com2020-01-09 → 2026-04-13 · 2 obs

● 2020-01-09 08:31:04
● 2026-04-13 11:17:12

●MXmail.rsrefractorychina.com2026-03-20 → 2026-04-13 · 2 obs

● 2026-03-20 06:52:06
● 2026-04-13 11:17:12

○A162.241.67.1252020-01-09 → 2020-01-09 · 3 obs

● 2020-01-09 08:31:04
○ 2026-03-20 06:52:06
○ 2026-04-13 11:17:12

●A203.161.61.2032026-03-20 → 2026-04-13 · 3 obs

○ 2020-01-09 08:31:04
● 2026-03-20 06:52:06
● 2026-04-13 11:17:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rsrefractorychina.com	dns2.hichina.com, dns1.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsrefractorychina.com (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.161.61.203`
NS	2	`dns2.hichina.com, dns1.hichina.com`
MX	1	`mail.rsrefractorychina.com (pri: 1)`
TXT	2	`google-site-verification=m-RZDweKLw2jjvL, v=spf1 +mx +a +ip4:203.161.61.203 ~all`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

Hierarchy

rsrefractorychina.com is the parent of mail.rsrefractorychina.com.

IP Addresses

rsrefractorychina.com resolves to a single IP address: 203.161.61.203.

Other host names including server1.zzrsrefractory.com, incineratorrefractories.com, aluminabricks.com, rsgraphiteelectrodes.com and zzrsrefractory.com share IP numbers with rsrefractorychina.com.

Name Servers

rsrefractorychina.com's delegation uses two name servers, dns1.hichina.com and dns2.hichina.com.

rsrefractorychina.com shares the same name server setup as other domains, for example wzku.com, phlawyer.com.cn, x2t.cn, cjdyc.com and czpri.com.

rsrefractorychina.com at least partially shares name servers with other domains, including looktendance.shop, richfit.com.cn, spirtscheck.com, tb99.net and dinghang-invest.com.

These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.

dns1.hichina.com points to: 2408:4009:501::9, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns2.hichina.com points to: 2408:4009:501::10, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

rsrefractorychina.com is handled by a single mail server, mail.rsrefractorychina.com.

mail.rsrefractorychina.com points to a single IP: 203.161.61.203.

rsrefractorychina.com - robtex.com