`studyandexam.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:aa2f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1c16^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.22^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.47^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c070^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2070^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emma.ns.cloudflare.com`
		A	108.162.192.112^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	172.64.32.112^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
		A	173.245.58.112^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emma.ns.cloudflare.com`
NS	`kianchau.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kianchau.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kianchau.ns.cloudflare.com`
		A	108.162.195.179^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	162.159.44.179^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	172.64.35.179^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
MX	`mail.studyandexam.com` ⭐
TXT	`v=spf1 a mx ptr include:secureserver.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.28.22, 172.67.170.47
		IPv6	2606:4700:3031::ac43:aa2f, 2606:4700:3035::6815:1c16
SOA	`emma.ns.cloudflare.com`dns@cloudflare.com serial=2398732099

`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 (66/100)

Previously MX for

studyandexam.com

Same first word

studyandexam.com

DNS History

14 records (7 active, 7 former)

●NSemma.ns.cloudflare.com2026-02-23 → 2026-03-12 · 3 obs

○ 2019-03-24 19:51:16
● 2026-02-23 18:41:04
● 2026-03-12 06:04:20

●NSkianchau.ns.cloudflare.com2026-02-23 → 2026-03-12 · 3 obs

○ 2019-03-24 19:51:16
● 2026-02-23 18:41:04
● 2026-03-12 06:04:20

○NSns1.pjcf.net2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 19:11:26
○ 2016-01-04 01:17:12
○ 2026-03-12 06:04:20

○NSns2.pjcf.net2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 19:11:26
○ 2016-01-04 01:17:12
○ 2026-03-12 06:04:20

○NSns35.domaincontrol.com2016-01-04 → 2019-03-24 · 5 obs

○ 2015-08-21 19:11:26
● 2016-01-04 01:17:12
● 2019-03-24 19:51:16
○ 2026-02-23 18:41:04
○ 2026-03-12 06:04:20

○NSns36.domaincontrol.com2016-01-04 → 2019-03-24 · 5 obs

○ 2015-08-21 19:11:26
● 2016-01-04 01:17:12
● 2019-03-24 19:51:16
○ 2026-02-23 18:41:04
○ 2026-03-12 06:04:20

●MXmail.studyandexam.com2016-01-04 → 2026-03-12 · 3 obs

○ 2015-08-21 19:11:26
● 2016-01-04 01:17:12
● 2026-03-12 06:04:20

○MXstudyandexam.com2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 19:11:26
○ 2016-01-04 01:17:12
○ 2026-03-12 06:04:20

●A104.21.28.222026-02-23 → 2026-03-12 · 3 obs

○ 2019-03-24 19:51:16
● 2026-02-23 18:41:04
● 2026-03-12 06:04:20

○A107.180.41.1552016-01-04 → 2019-03-24 · 5 obs

○ 2015-08-21 19:11:26
● 2016-01-04 01:17:12
● 2019-03-24 19:51:16
○ 2026-02-23 18:41:04
○ 2026-03-12 06:04:20

●A172.67.170.472026-02-23 → 2026-03-12 · 3 obs

○ 2019-03-24 19:51:16
● 2026-02-23 18:41:04
● 2026-03-12 06:04:20

●A2606:4700:3031::ac43:aa2f2026-02-23 → 2026-03-12 · 3 obs

○ 2019-03-24 19:51:16
● 2026-02-23 18:41:04
● 2026-03-12 06:04:20

●A2606:4700:3035::6815:1c162026-02-23 → 2026-03-12 · 3 obs

○ 2019-03-24 19:51:16
● 2026-02-23 18:41:04
● 2026-03-12 06:04:20

○A69.167.136.1582015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 19:11:26
○ 2016-01-04 01:17:12
○ 2026-03-12 06:04:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyandexam.com	emma.ns.cloudflare.com, kianchau.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.112

NS records: emma.ns.cloudflare.com, kianchau.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyandexam.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.170.47, 104.21.28.22`
AAAA	2	`2606:4700:3035::6815:1c16, 2606:4700:3031::ac43:aa2f`
NS	2	`emma.ns.cloudflare.com, kianchau.ns.cloudflare.com`
MX	1	`mail.studyandexam.com (pri: 0)`
TXT	1	`v=spf1 a mx ptr include:secureserver.net`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emma.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyandexam.com points to four IP numbers: 2606:4700:3031::ac43:aa2f, 2606:4700:3035::6815:1c16, 104.21.28.22 and 172.67.170.47.

Other host names, for instance 0594afb.com, keonhacai6.com.co, m1.email.(0x736578)ofacil.es, dntg.net and quminute.com share IP numbers with studyandexam.com.

Name Servers

studyandexam.com's delegation is to two name servers emma.ns.cloudflare.com and kianchau.ns.cloudflare.com.

studyandexam.com shares the same name server configuration as other domains, such as aktivasikependudukan.com, tiktokdoanhnghiep.com, maryjurekdesign.com, dressesanddinosaurs.com and mytelavivrealestate.com.

studyandexam.com at least partially shares its name servers with other domains, for instance gingerswan.com, clikbuilding.com, dqdckq.com, fppk.com and molokovskiy.info.

Host names with six IP numbers:

emma.ns.cloudflare.com points to: 2606:4700:50::adf5:3a70, 2803:f800:50::6ca2:c070, 2a06:98c1:50::ac40:2070, 108.162.192.112, 172.64.32.112 and 173.245.58.112.

kianchau.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb3, 2803:f800:50::6ca2:c3b3, 2a06:98c1:50::ac40:23b3, 108.162.195.179, 162.159.44.179 and 172.64.35.179.

Mail Servers

studyandexam.com is served by a single mail server, mail.studyandexam.com.

studyandexam.com - robtex.com