studyclerk.com - dns.ninja

`studyclerk.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8751^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:6db^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.219^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.81^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dean.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c199^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2199^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dean.ns.cloudflare.com`
		A	108.162.193.153^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	172.64.33.153^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	173.245.59.153^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
NS	`sofia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sofia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sofia.ns.cloudflare.com`
		A	108.162.192.223^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	172.64.32.223^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	173.245.58.223^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
TXT	`google-site-verification=QjkGm5_8aUXmDWYbwqW2UsxkR1UGUMshkFhYGZT-Mvs`
TXT	`google-site-verification=s81T03Rn71_12wXrWRnwJaPHiM7UrKoPl5bDbch8P6Y`
TXT	`v=spf1 include:servers.mcsv.net include:amazonses.com include:_spf.yandex.net...`
TXT	`v=spf1 include:servers.mcsv.net include:mxsspf.sendpulse.com include:amazonse...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.219, 172.67.135.81
		IPv6 hints	2606:4700:3030::ac43:8751, 2606:4700:3031::6815:6db
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOA	`dean.ns.cloudflare.com`dns@cloudflare.com serial=2407090116

`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=1783653857

rank #222081 globally
rank #95731 in the tld
📈 Tranco rank: #913,061

Same first word

studyclerk.com

DNS History

13 records (7 active, 6 former)

●NSdean.ns.cloudflare.com2018-06-14 → 2026-07-10 · 2 obs

● 2018-06-14 01:08:54
● 2026-07-10 03:29:04

●NSsofia.ns.cloudflare.com2018-06-14 → 2026-07-10 · 2 obs

● 2018-06-14 01:08:54
● 2026-07-10 03:29:04

●MXinbound-smtp.us-east-1.amazonaws.com2026-02-14 → 2026-07-10 · 3 obs

○ 2018-06-14 01:08:54
● 2026-02-14 22:09:48
● 2026-07-10 03:29:04

○MXmx.yandex.net2018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 01:08:54
○ 2026-02-14 22:09:48
○ 2026-07-10 03:29:04

○A104.18.50.582018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 01:08:54
○ 2026-02-14 22:09:48
○ 2026-07-10 03:29:04

○A104.18.51.582018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 01:08:54
○ 2026-02-14 22:09:48
○ 2026-07-10 03:29:04

●A104.21.6.2192026-02-14 → 2026-07-10 · 3 obs

○ 2018-06-14 01:08:54
● 2026-02-14 22:09:48
● 2026-07-10 03:29:04

●A172.67.135.812026-02-14 → 2026-07-10 · 3 obs

○ 2018-06-14 01:08:54
● 2026-02-14 22:09:48
● 2026-07-10 03:29:04

○A2400:cb00:2048:1::6812:323a2018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 01:08:54
○ 2026-02-14 22:09:48
○ 2026-07-10 03:29:04

○A2400:cb00:2048:1::6812:333a2018-06-14 → 2018-06-14 · 3 obs

● 2018-06-14 01:08:54
○ 2026-02-14 22:09:48
○ 2026-07-10 03:29:04

●A2606:4700:3030::ac43:87512026-02-14 → 2026-07-10 · 3 obs

○ 2018-06-14 01:08:54
● 2026-02-14 22:09:48
● 2026-07-10 03:29:04

●A2606:4700:3031::6815:6db2026-07-10 → 2026-07-10 · 3 obs

○ 2026-02-14 22:09:48
● 2026-07-10 03:29:02
● 2026-07-10 03:29:04

○A2606:4700:3033::6815:6db2026-02-14 → 2026-02-14 · 4 obs

○ 2018-06-14 01:08:54
● 2026-02-14 22:09:48
○ 2026-07-10 03:29:02
○ 2026-07-10 03:29:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
studyclerk.com	dean.ns.cloudflare.com, sofia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.223

NS records: dean.ns.cloudflare.com, sofia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyclerk.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.219, 172.67.135.81`
AAAA	2	`2606:4700:3031::6815:6db, 2606:4700:3030::ac43:8751`
NS	2	`dean.ns.cloudflare.com, sofia.ns.cloudflare.com`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	4	`google-site-verification=QjkGm5_8aUXmDWY, google-site-verification=s81T03Rn71_12wX...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyclerk.com directs to four IP numbers, which are 104.21.6.219, 172.67.135.81, 2606:4700:3030::ac43:8751 and 2606:4700:3031::6815:6db.

chnyada.com, reib-us.com, agroagent.com and two other host names share IP numbers with studyclerk.com.

Name Servers

studyclerk.com has two authoritative name servers — dean.ns.cloudflare.com and sofia.ns.cloudflare.com.

studyclerk.com uses the same name servers as several other domains — among them bentogoncalvesimoveis.com.br, lagoimobiliaria.com.br, moraesimobiliaria.com.br and two more.

There is at least partial name server overlap between studyclerk.com and other domains — mezlanwarehouse.com, gunsamerica.com, bitgo-test.com and two more among them.

These name servers are routinely deployed together with the name servers diva.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dean.ns.cloudflare.com points to 108.162.193.153, 172.64.33.153, 173.245.59.153 and 3 other IP addresses.

sofia.ns.cloudflare.com points to 108.162.192.223, 172.64.32.223, 173.245.58.223 and 3 other IP addresses.

Mail Servers

Mail for studyclerk.com is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

studyclerk.com uses an identical mail server configuration to several other domains — among them agopti.com, dev.deepsee.ai, srelectrical.slack.com and two more.

studyclerk.com has at least partial mail server overlap with other domains such as h5ptechnology.atlassian.net, mopinion.atlassian.net, goiko.com and two more.

These mail servers commonly co-occur with mail servers inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 others.

inbound-smtp.us-east-1.amazonaws.com points to five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two more.