`rndbook.com`

DNSSEC	⚠️ Not signed
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 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	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 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	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com ~all`
SOA	`dns9.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=1774485957

Same first word

rndbook.com

Similar names

doorknb.com

kodbrno.cz

doorknb.net

korbond.com

DNS History

7 records (4 active, 3 former)

●NSdns10.hichina.com2015-07-13 → 2026-03-26 · 2 obs

● 2015-07-13 14:04:16
● 2026-03-26 00:54:34

●NSdns9.hichina.com2015-07-13 → 2026-03-26 · 2 obs

● 2015-07-13 14:04:16
● 2026-03-26 00:54:34

●MXmxn.mxhichina.com2015-11-14 → 2026-03-26 · 2 obs

● 2015-11-14 11:35:12
● 2026-03-26 00:54:34

●MXmxw.mxhichina.com2015-11-14 → 2026-03-26 · 2 obs

● 2015-11-14 11:35:12
● 2026-03-26 00:54:34

○A120.92.138.2222020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-24 06:22:52
● 2020-01-12 17:58:56
○ 2026-03-07 15:40:54
○ 2026-03-26 00:54:34

○A139.196.108.472016-01-28 → 2017-03-24 · 5 obs

○ 2015-11-14 11:35:12
● 2016-01-28 14:39:22
● 2017-03-24 06:22:52
○ 2020-01-12 17:58:56
○ 2026-03-26 00:54:34

○A139.196.19.1582015-11-14 → 2015-11-14 · 3 obs

● 2015-11-14 11:35:12
○ 2016-01-28 14:39:22
○ 2026-03-26 00:54:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rndbook.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rndbook.com (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns10.hichina.com, dns9.hichina.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com ~all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Name Servers

rndbook.com's delegation uses two name servers: dns10.hichina.com and dns9.hichina.com.

rndbook.com uses the same name server setup as other domains, such as cdian.net, jrclothes.com, yuncorp.com, kdsimeter.cn and adxmax.com.

rndbook.com shares name servers with other domains at least partially, for example jn127.com and njyxbz.com.

Host names with nine IP numbers: The host name dns10.hichina.com points to 2408:4009:501::18, 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. The host name dns9.hichina.com points to 2408:4009:501::17, 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.

Mail Servers

rndbook.com is served by two mail servers mxn.mxhichina.com and mxw.mxhichina.com.

rndbook.com shares the same mail server setup as other domains, for instance zzsxgy.com, 1748club.com.cn, hoho-ornament.com, haodicnc.com and jslcfrp.com.

rndbook.com shares at least some mail servers with other domains, for example qsli.cn, evileyelens.com, intelli4d.com, nasyn.cn and lensail.com.

these mail servers commonly accompany mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Host names with two IP numbers: mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Host names with one IP number: mxw.mxhichina.com points to 47.246.99.195.

rndbook.com - robtex.com

rndbook.com

com