smartlib.cn - dns.ninja

`smartlib.cn`

DNSSEC	⚠️ Not signed
A	115.28.242.196^{🇨🇳 Alibaba-Cloud115.28.192.0/18}
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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=2035003164

rank #558530 globally
rank #8674 in the tld

Same first word

smartlib.com

smartlib.cn

smartlib.net

smartlib.org

smartlib.eu

smartlib.co.kr

smartlib.ru

Similar names

mstarlib.com

bilsmart.se

bilsmart.dk

trimlabs.com

artlimbs.com

ramblist.com

bilsmart.com

smartbil.no

tmbrasil.com

libsmart.net

mrbsilat.com

milbrats.net

smartibl.com

smartbil.se

DNS History

9 records (5 active, 4 former)

●NSdns21.hichina.com2026-02-15 → 2026-07-04 · 3 obs

○ 2016-11-29 09:35:04
● 2026-02-15 01:21:50
● 2026-07-04 19:56:56

●NSdns22.hichina.com2026-02-15 → 2026-07-04 · 3 obs

○ 2016-11-29 09:35:04
● 2026-02-15 01:21:50
● 2026-07-04 19:56:56

○NSns-1270.awsdns-30.org2015-07-20 → 2016-11-29 · 4 obs

● 2015-07-20 04:19:54
● 2016-11-29 09:35:04
○ 2026-02-15 01:21:50
○ 2026-07-04 19:56:56

○NSns-1840.awsdns-38.co.uk2015-07-20 → 2016-11-29 · 4 obs

● 2015-07-20 04:19:54
● 2016-11-29 09:35:04
○ 2026-02-15 01:21:50
○ 2026-07-04 19:56:56

○NSns-33.awsdns-04.com2015-07-20 → 2016-11-29 · 4 obs

● 2015-07-20 04:19:54
● 2016-11-29 09:35:04
○ 2026-02-15 01:21:50
○ 2026-07-04 19:56:56

○NSns-992.awsdns-60.net2015-07-20 → 2016-11-29 · 4 obs

● 2015-07-20 04:19:54
● 2016-11-29 09:35:04
○ 2026-02-15 01:21:50
○ 2026-07-04 19:56:56

●MXmxbiz1.qq.com2026-02-15 → 2026-07-04 · 2 obs

● 2026-02-15 01:21:50
● 2026-07-04 19:56:56

●MXmxbiz2.qq.com2026-02-15 → 2026-07-04 · 2 obs

● 2026-02-15 01:21:50
● 2026-07-04 19:56:56

●A115.28.242.1962015-11-18 → 2026-07-04 · 2 obs

● 2015-11-18 16:08:20
● 2026-07-04 19:56:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
smartlib.cn	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server:120.76.107.60

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartlib.cn (unsigned zone)

⏱️ Timing

Total: 3074ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`115.28.242.196`
NS	2	`dns22.hichina.com, dns21.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

smartlib.cn resolves to just one IP address, 115.28.242.196.

Name Servers

smartlib.cn is served by two delegated name servers, dns21.hichina.com and dns22.hichina.com.

smartlib.cn shares its NS records with other domains, for example h64.net, biot-bio.com, hzaihua.com and two others.

smartlib.cn partially shares its NS delegation with several other domains, including hkin.com.cn, xcjhcj.com, marta.cn and two others.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

DNS names with 9 IP addresses:

dns21.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.

dns22.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.

Mail Servers

smartlib.cn is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with smartlib.cn are kmhope.cn, 1vator.com, crj88.com and two others.

There is at least a partial MX overlap between smartlib.cn and other domains, including b114.com.cn, xczn.com.cn, shengqugames-corp.com and two others.