`dtcclearning.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dc03^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:35ed^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.237^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.3^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cory.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cory.ns.cloudflare.com`
		A	108.162.193.93^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	172.64.33.93^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	173.245.59.93^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
MX	`mx1.cloudaccess.net` ⭐
		A	199.116.78.90^{🇺🇸 AS54456199.116.78.0/24}
			PTR	`mx1.cloudaccess.net`
MX	`mx2.cloudaccess.net`⁽¹⁰⁾
		A	199.116.76.5^{🇺🇸 AS54456199.116.76.0/24}
			PTR	`mx2.cloudaccess.net`
TXT	`v=spf1 a mx include:_spf_whitelisted-block.cloudaccess.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.53.237, 172.67.220.3
		IPv6	2606:4700:3030::ac43:dc03, 2606:4700:3031::6815:35ed
SOA	`cory.ns.cloudflare.com`dns@cloudflare.com serial=2398690750

`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

📈 Tranco rank: #425,937

Subdomains

www.dtcclearning.com

Same first word

dtcclearning.com

DNS History

13 records (8 active, 5 former)

○NSa4.nstld.com2015-07-12 → 2017-07-22 · 4 obs

● 2015-07-12 07:31:58
● 2017-07-22 05:21:54
○ 2026-02-25 08:48:30
○ 2026-03-17 00:15:12

●NScory.ns.cloudflare.com2026-02-25 → 2026-03-17 · 3 obs

○ 2017-07-22 05:21:54
● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

○NSf4.nstld.com2015-07-12 → 2017-07-22 · 4 obs

● 2015-07-12 07:31:58
● 2017-07-22 05:21:54
○ 2026-02-25 08:48:30
○ 2026-03-17 00:15:12

○NSg4.nstld.com2015-07-12 → 2017-07-22 · 4 obs

● 2015-07-12 07:31:58
● 2017-07-22 05:21:54
○ 2026-02-25 08:48:30
○ 2026-03-17 00:15:12

○NSl4.nstld.com2015-07-12 → 2017-07-22 · 4 obs

● 2015-07-12 07:31:58
● 2017-07-22 05:21:54
○ 2026-02-25 08:48:30
○ 2026-03-17 00:15:12

●NSulla.ns.cloudflare.com2026-02-25 → 2026-03-17 · 3 obs

○ 2017-07-22 05:21:54
● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

●MXmx1.cloudaccess.net2026-02-25 → 2026-03-17 · 2 obs

● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

●MXmx2.cloudaccess.net2026-02-25 → 2026-03-17 · 2 obs

● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

●A104.21.53.2372026-02-25 → 2026-03-17 · 3 obs

○ 2017-07-22 05:21:54
● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

●A172.67.220.32026-02-25 → 2026-03-17 · 3 obs

○ 2017-07-22 05:21:54
● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

○A199.116.78.2192015-07-12 → 2017-07-22 · 4 obs

● 2015-07-12 07:31:58
● 2017-07-22 05:21:54
○ 2026-02-25 08:48:30
○ 2026-03-17 00:15:12

●A2606:4700:3030::ac43:dc032026-02-25 → 2026-03-17 · 3 obs

○ 2017-07-22 05:21:54
● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

●A2606:4700:3031::6815:35ed2026-02-25 → 2026-03-17 · 3 obs

○ 2017-07-22 05:21:54
● 2026-02-25 08:48:30
● 2026-03-17 00:15:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
dtcclearning.com	cory.ns.cloudflare.com, ulla.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.93

NS records: cory.ns.cloudflare.com, ulla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dtcclearning.com (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.53.237, 172.67.220.3`
AAAA	2	`2606:4700:3030::ac43:dc03, 2606:4700:3031::6815:35ed`
NS	2	`cory.ns.cloudflare.com, ulla.ns.cloudflare.com`
MX	2	`mx2.cloudaccess.net (pri: 10), mx1.cloudaccess.net (pri: 5)`
TXT	1	`v=spf1 a mx include:_spf_whitelisted-blo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cory.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

dtcclearning.com is a parent of www.dtcclearning.com.

IP Addresses

dtcclearning.com resolves to four IPs: 2606:4700:3030::ac43:dc03, 2606:4700:3031::6815:35ed, 104.21.53.237 and 172.67.220.3.

Other host names such as www.okbbok.com, www.searchinsights.com.au, medbe.ru, crescendo.de and wgfform.com share IP numbers with dtcclearning.com.

Name Servers

dtcclearning.com is delegated to two name servers: cory.ns.cloudflare.com and ulla.ns.cloudflare.com.

dtcclearning.com uses the same name server setup as other domains, including canadiapools.net, saigonlotto.com, dragon-bark.com, quickbookscustomerservice.co and bibliovca.com.

At least part of the name servers for dtcclearning.com are shared with other domains, for instance integrabd.com, vidyamantra.org, noxc.dev, vfix.co.th and 7053.com.

These name servers are commonly used alongside clay.ns.cloudflare.com and janet.ns.cloudflare.com.

Host names with six IP numbers:

cory.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5d, 2803:f800:50::6ca2:c15d, 2a06:98c1:50::ac40:215d, 108.162.193.93, 172.64.33.93 and 173.245.59.93.

ulla.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae9, 2803:f800:50::6ca2:c0e9, 2a06:98c1:50::ac40:20e9, 108.162.192.233, 172.64.32.233 and 173.245.58.233.

Mail Servers

dtcclearning.com is handled by two mail servers: mx1.cloudaccess.net and mx2.cloudaccess.net.

dtcclearning.com uses the same mail server setup as other domains, for instance interkanect.com, amvrosia.se, injurylawyer4you.com, powerboattraining.com.au and wingsoverhouston.com.

dtcclearning.com shares some mail servers with other domains, for instance cricketmerchant.com and lakecitydirt.com.

Hostnames with a single IP

mx1.cloudaccess.net resolves to: 199.116.78.90.

mx2.cloudaccess.net resolves to: 199.116.76.5.

dtcclearning.com - robtex.com