`exam100.com`

DNSSEC	⚠️ Not signed
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.julydns.com` ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`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=1774671492

WOT: SAFE (68/100)

Same first word

exam100.com

Similar names

exam001.com

100exam.com

DNS History

10 records (4 active, 6 former)

○NS(root)2015-06-15 → 2017-02-06 · 4 obs

● 2015-06-15 12:47:16
● 2017-02-06 22:43:12
○ 2020-02-25 02:12:38
○ 2026-03-28 04:37:50

○NSns1.dan.com2020-02-25 → 2020-02-25 · 3 obs

○ 2017-02-06 22:43:12
● 2020-02-25 02:12:38
○ 2026-03-28 04:37:50

●NSns1.judns.com2026-03-28 → 2026-03-28 · 2 obs

○ 2020-02-25 02:12:38
● 2026-03-28 04:37:50

●NSns1.julydns.com2026-03-28 → 2026-03-28 · 2 obs

○ 2020-02-25 02:12:38
● 2026-03-28 04:37:50

○NSns2.dan.com2020-02-25 → 2020-02-25 · 3 obs

○ 2017-02-06 22:43:12
● 2020-02-25 02:12:38
○ 2026-03-28 04:37:50

●NSns2.judns.com2026-03-28 → 2026-03-28 · 2 obs

○ 2020-02-25 02:12:38
● 2026-03-28 04:37:50

●NSns2.julydns.com2026-03-28 → 2026-03-28 · 2 obs

○ 2020-02-25 02:12:38
● 2026-03-28 04:37:50

○A125.76.229.1252015-06-15 → 2017-02-06 · 4 obs

● 2015-06-15 12:47:16
● 2017-02-06 22:43:12
○ 2020-02-25 02:12:38
○ 2026-03-28 04:37:50

○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-02-25 → 2020-02-25 · 3 obs

○ 2017-02-06 22:43:12
● 2020-02-25 02:12:38
○ 2026-03-28 04:37:50

○A52.58.78.162020-02-25 → 2020-02-25 · 3 obs

○ 2017-02-06 22:43:12
● 2020-02-25 02:12:38
○ 2026-03-28 04:37:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
exam100.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:47.97.51.45

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exam100.com (unsigned zone)

⏱️ Timing

Total: 508ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.julydns.com, ns2.julydns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

Name Servers

exam100.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

exam100.com at least partially shares name servers with other domains, including itstudy.cn, dayuchain.cn, ximutouzi.com, gdzqjy.com and khwvm.cn.