`exam-sp.com`

DNSSEC	⚠️ Not signed
A	39.106.146.136^{🇨🇳 Alibaba-Cloud39.106.0.0/15 CT BeiJing IDC}
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}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
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}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
SOA	`dns31.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=1781929220

rank #457150 globally
rank #196913 in the tld

Subdomains

www.exam-sp.com

c.exam-sp.com

Same first word

exam-sp.com

Similar names

(0x736578)-map.cz

aspe-mx.com

apex-sm.com

ema-xps.org

(0x736578)-map.com

DNS History

5 records (3 active, 2 former)

●NSdns31.hichina.com2018-05-14 → 2026-06-20 · 2 obs

● 2018-05-14 15:48:02
● 2026-06-20 04:22:06

●NSdns32.hichina.com2018-05-14 → 2026-06-20 · 2 obs

● 2018-05-14 15:48:02
● 2026-06-20 04:22:06

○MXmxa.mailgun.org2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 15:48:02
○ 2026-03-01 11:15:54
○ 2026-06-20 04:22:06

○MXmxb.mailgun.org2018-05-14 → 2018-05-14 · 3 obs

● 2018-05-14 15:48:02
○ 2026-03-01 11:15:54
○ 2026-06-20 04:22:06

●A39.106.146.1362026-03-01 → 2026-06-20 · 2 obs

● 2026-03-01 11:15:54
● 2026-06-20 04:22:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
exam-sp.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exam-sp.com (unsigned zone)

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.106.146.136`
NS	2	`dns32.hichina.com, dns31.hichina.com`
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

www.exam-sp.com and c.exam-sp.com each fall under exam-sp.com as their parent domain.

IP Addresses

exam-sp.com resolves to just one IP address, 39.106.146.136.

Host names such as www.exam-sp.com and c.exam-sp.com share IP numbers with exam-sp.com.

Name Servers

exam-sp.com is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.

exam-sp.com shares its NS records with other domains, for example ledgrowsystem.com, zgqyzxw.com, zhenshanyl.com and two others.

exam-sp.com shares at least some of its name servers with other domains, including canary.cn, wlm.cn, ningguoluntan.com and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com and expirens4.hichina.com.

DNS names with 9 IP addresses:

dns31.hichina.com resolves to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns32.hichina.com resolves to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

exam-sp.com - robtex.com

exam-sp.com

com