`readbo.cn`

	CNAME	`env-d0rvdtum1hkq90l510i0-cn-beijing.alicloudapi.com`
	DNSSEC	⚠️ Not signed
	A	8.147.113.227^{🇨🇳 Alibaba-Cloud8.147.64.0/18 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
	A	8.147.118.209^{🇨🇳 Alibaba-Cloud8.147.64.0/18 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
	A	47.95.32.6^{🇨🇳 Alibaba-Cloud47.94.0.0/15 CT BeiJing IDC}
	A	59.110.90.107^{🇨🇳 Alibaba-Cloud59.110.0.0/17 CT BeiJing IDC}
	A	101.201.29.166^{🇨🇳 Alibaba-Cloud101.201.0.0/16 CT BeiJing IDC}
	A	101.201.106.26^{🇨🇳 Alibaba-Cloud101.201.0.0/16 CT BeiJing IDC}
	A	101.201.170.59^{🇨🇳 Alibaba-Cloud101.201.0.0/16 CT BeiJing IDC}
	A	182.92.125.106^{🇨🇳 Alibaba-Cloud182.92.0.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}

`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 serial=2035107943

Same first word

readbo.cn

Similar names

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DNS History

12 records (5 active, 7 former)

●NSdns13.hichina.com2026-05-18 → 2026-07-29 · 3 obs

○ 2015-11-09 17:58:14
● 2026-05-18 21:29:02
● 2026-07-29 23:15:26

●NSdns14.hichina.com2026-05-18 → 2026-07-29 · 3 obs

○ 2015-11-09 17:58:14
● 2026-05-18 21:29:02
● 2026-07-29 23:15:26

○NSf1g1ns1.dnspod.net2015-05-17 → 2015-11-09 · 4 obs

● 2015-05-17 21:16:10
● 2015-11-09 17:58:14
○ 2026-05-18 21:29:02
○ 2026-07-29 23:15:26

○NSf1g1ns2.dnspod.net2015-05-17 → 2015-11-09 · 4 obs

● 2015-05-17 21:16:10
● 2015-11-09 17:58:14
○ 2026-05-18 21:29:02
○ 2026-07-29 23:15:26

○MXmail.skrimple.com2016-01-25 → 2017-01-06 · 4 obs

● 2016-01-25 15:30:50
● 2017-01-06 17:54:18
○ 2026-05-18 21:29:02
○ 2026-07-29 23:15:26

●MXmxbiz1.qq.com2026-05-18 → 2026-07-29 · 3 obs

○ 2017-01-06 17:54:18
● 2026-05-18 21:29:02
● 2026-07-29 23:15:26

●MXmxbiz2.qq.com2026-05-18 → 2026-07-29 · 3 obs

○ 2017-01-06 17:54:18
● 2026-05-18 21:29:02
● 2026-07-29 23:15:26

○A103.51.144.812016-11-01 → 2017-01-06 · 5 obs

○ 2016-04-27 19:39:26
● 2016-11-01 14:04:48
● 2017-01-06 17:54:18
○ 2026-05-18 21:29:02
○ 2026-07-29 23:15:26

○A123.254.111.1902015-05-17 → 2015-11-09 · 4 obs

● 2015-05-17 21:16:10
● 2015-11-09 17:58:14
○ 2016-01-25 15:30:50
○ 2026-07-29 23:15:26

○A65.19.157.2342016-04-27 → 2016-04-27 · 4 obs

○ 2016-01-25 15:30:50
● 2016-04-27 19:39:26
○ 2016-11-01 14:04:48
○ 2026-07-29 23:15:26

○A65.19.157.2352016-01-25 → 2016-01-25 · 4 obs

○ 2015-11-09 17:58:14
● 2016-01-25 15:30:50
○ 2016-04-27 19:39:26
○ 2026-07-29 23:15:26

●CNAMEenv-d0rvdtum1hkq90l510i0-cn-beijing.alicloudapi.com2026-05-18 → 2026-07-29 · 2 obs

● 2026-05-18 21:29:02
● 2026-07-29 23:15:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
readbo.cn	dns13.hichina.com, dns14.hichina.com	-

✅ Authoritative Response

Server:39.96.153.42

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readbo.cn (unsigned zone)

⏱️ Timing

Total: 1811ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns13.hichina.com, dns14.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
CNAME	1	`env-d0rvdtum1hkq90l510i0-cn-beijing.alic`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

readbo.cn has 8 IP addresses — 8.147.113.227, 8.147.118.209, 47.95.32.6 and 5 more.

env-d0rvdtum1hkq90l510i0-cn-beijing.alicloudapi.com, for instance, is one of the other host names sharing IP numbers with readbo.cn.

readbo.cn - robtex.com

readbo.cn

cn