`exam4.com`

DNSSEC	⚠️ Not signed
A	2606:4700:10::ac42:8767^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:8a5f^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.135.103^{🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.138.95^{🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melinda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
NS	`rudy.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rudy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rudy.ns.cloudflare.com`
		A	108.162.193.229^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	172.64.33.229^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	173.245.59.229^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
MX	`isaac.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`amir.mx.cloudflare.net`⁽⁶¹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`linda.mx.cloudflare.net`⁽⁷⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`76e12647658d441a8e4a83f550bdab7e`
TXT	`_ysuvlcmylahnmbmrudmoxclxmqbbm7y`
TXT	`google-site-verification=6jZV5Bw8dRIlSf-OQ8FzDv5Co6e_Ex1NmQxTElH1ugs`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
TXT	`yl4lqq1lrjy81bccw838qcj83bs7twst`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	172.66.135.103, 172.66.138.95
		IPv6	2606:4700:10::ac42:8767, 2606:4700:10::ac42:8a5f
SOA	`melinda.ns.cloudflare.com`dns@cloudflare.com serial=2398721343

`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=1771291435

WOT: SAFE (63/100)

Subdomains

www.exam4.com

Same first word

exam4.com

Similar names

emax4.com

4exam.com

4exam.info

a4mex.com

4exam.cn

DNS History

22 records (9 active, 13 former)

●NSmelinda.ns.cloudflare.com2015-07-26 → 2026-03-12 · 2 obs

● 2015-07-26 06:26:28
● 2026-03-12 03:51:18

●NSrudy.ns.cloudflare.com2015-07-26 → 2026-03-12 · 2 obs

● 2015-07-26 06:26:28
● 2026-03-12 03:51:18

●MXamir.mx.cloudflare.net2026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

●MXisaac.mx.cloudflare.net2026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

●MXlinda.mx.cloudflare.net2026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

○MXmx.extegrity.com2015-07-26 → 2016-07-17 · 4 obs

● 2015-07-26 06:26:28
● 2016-07-17 16:59:50
○ 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○MXvade-in1.mail.dreamhost.com2017-03-27 → 2017-03-27 · 3 obs

○ 2016-07-17 16:59:50
● 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○A104.20.22.72015-12-01 → 2016-07-17 · 5 obs

○ 2015-07-26 06:26:28
● 2015-12-01 21:43:10
● 2016-07-17 16:59:50
○ 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○A104.20.23.72015-12-01 → 2016-07-17 · 5 obs

○ 2015-07-26 06:26:28
● 2015-12-01 21:43:10
● 2016-07-17 16:59:50
○ 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○A104.20.64.62017-03-27 → 2017-03-27 · 3 obs

○ 2016-07-17 16:59:50
● 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○A104.20.65.62017-03-27 → 2017-03-27 · 3 obs

○ 2016-07-17 16:59:50
● 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○A141.101.123.82015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 06:26:28
○ 2015-12-01 21:43:10
○ 2026-03-12 03:51:18

●A172.66.135.1032026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

●A172.66.138.952026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

○A190.93.240.82015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 06:26:28
○ 2015-12-01 21:43:10
○ 2026-03-12 03:51:18

○A190.93.241.82015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 06:26:28
○ 2015-12-01 21:43:10
○ 2026-03-12 03:51:18

○A190.93.242.82015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 06:26:28
○ 2015-12-01 21:43:10
○ 2026-03-12 03:51:18

○A190.93.243.82015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 06:26:28
○ 2015-12-01 21:43:10
○ 2026-03-12 03:51:18

○A2400:cb00:2048:1::6814:40062017-03-27 → 2017-03-27 · 3 obs

○ 2016-07-17 16:59:50
● 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

○A2400:cb00:2048:1::6814:41062017-03-27 → 2017-03-27 · 3 obs

○ 2016-07-17 16:59:50
● 2017-03-27 23:14:00
○ 2026-03-12 03:51:18

●A2606:4700:10::ac42:87672026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

●A2606:4700:10::ac42:8a5f2026-03-12 → 2026-03-12 · 2 obs

○ 2017-03-27 23:14:00
● 2026-03-12 03:51:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
exam4.com	rudy.ns.cloudflare.com, melinda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.229

NS records: rudy.ns.cloudflare.com, melinda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exam4.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.135.103, 172.66.138.95`
AAAA	2	`2606:4700:10::ac42:8767, 2606:4700:10::ac42:8a5f`
NS	2	`melinda.ns.cloudflare.com, rudy.ns.cloudflare.com`
MX	3	`isaac.mx.cloudflare.net (pri: 14), amir.mx.cloudflare.net (pri: 61)...`
TXT	5	`76e12647658d441a8e4a83f550bdab7e, _ysuvlcmylahnmbmrudmoxclxmqbbm7y...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melinda.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rudy.ns.cloudflare.com, rudy.ns.cloudflare.com, rudy.ns.cloudflare.com...)

Analysis

Hierarchy

exam4.com is the parent of www.exam4.com.

IP Addresses

exam4.com resolves to four IPs: 2606:4700:10::ac42:8767, 2606:4700:10::ac42:8a5f, 172.66.135.103 and 172.66.138.95.

Other host names share IP numbers with exam4.com; for instance www.exam4.com.

Name Servers

exam4.com has two name servers: melinda.ns.cloudflare.com and rudy.ns.cloudflare.com.

exam4.com shares the same name server setup as other domains, for example gpcc.net, gpcc.com, opene.ru, gogonetpas.com and chamberphl.com.

exam4.com shares some name servers with other domains, for example madrewards.com, rland.com.cn, gongo.org, fysbw.cn and tzw2.com.

These name servers are commonly used together with maxim.ns.cloudflare.com and lorna.ns.cloudflare.com.

Host names with six IP numbers: melinda.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198; rudy.ns.cloudflare.com points to: 2606:4700:58::adf5:3be5, 2803:f800:50::6ca2:c1e5, 2a06:98c1:50::ac40:21e5, 108.162.193.229, 172.64.33.229 and 173.245.59.229.

Mail Servers

exam4.com is handled by three mail servers: amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

exam4.com shares some mail servers with other domains, at least partially; for instance abiexchange.com, northwestmachinery.com, sush.us, toonio.ru and inplayradar.com.

Host names with six IP numbers:

amir.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.11, 162.159.205.12 and 162.159.205.13

isaac.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

linda.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.23, 162.159.205.24 and 162.159.205.25

exam4.com - robtex.com

exam4.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`exam4.com`

`com`