`pcalearning.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:239e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b19e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.158^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.158^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`martha.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:268e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`martha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`martha.ns.cloudflare.com`
		A	108.162.194.142^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	162.159.38.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	172.64.34.142^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
NS	`osmar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`osmar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`osmar.ns.cloudflare.com`
		A	108.162.195.124^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	162.159.44.124^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	172.64.35.124^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:c06::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f26.1e100.net`
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
		A	142.250.141.26^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f26.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
		A	142.251.2.26^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f26.1e100.net`
TXT	`v=spf1 a mx include:_spf.google.com include:spf.mtasv.net ~all.`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.35.158, 172.67.177.158
		IPv6	2606:4700:3033::6815:239e, 2606:4700:3035::ac43:b19e
SOA	`martha.ns.cloudflare.com`dns@cloudflare.com serial=2398404218

`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

Subdomains

mail.pcalearning.com

Same first word

pcalearning.com

pcalearning.net

Similar names

caplearning.org.uk

caplearning.com

apclearning.com

cpalearning.com

aprcleaning.com

caplearning.net

DNS History

26 records (7 active, 19 former)

○NSdns1.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

○NSdns2.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

●NSmartha.ns.cloudflare.com2026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

○NSns03.domaincontrol.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○NSns04.domaincontrol.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

●NSosmar.ns.cloudflare.com2026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

○MXalt1.aspmx.l.google.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○MXalt2.aspmx.l.google.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○MXaspmx.l.google.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○MXaspmx2.googlemail.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○MXaspmx3.googlemail.com2016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○MXeforward1.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

○MXeforward2.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

○MXeforward3.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

○MXeforward4.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

○MXeforward5.registrar-servers.com2026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

●MXsmtp.google.com2026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

●A104.21.35.1582026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

●A172.67.177.1582026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

○A192.64.119.1732026-02-22 → 2026-02-27 · 5 obs

○ 2017-10-22 01:13:02
● 2026-02-22 03:26:02
● 2026-02-27 10:31:42
○ 2026-03-14 04:31:16
○ 2026-03-24 03:18:16

○A216.239.32.212016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○A216.239.34.212016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○A216.239.36.212016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

○A216.239.38.212016-12-19 → 2017-10-22 · 4 obs

● 2016-12-19 04:03:30
● 2017-10-22 01:13:02
○ 2026-02-22 03:26:02
○ 2026-03-24 03:18:16

●A2606:4700:3033::6815:239e2026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

●A2606:4700:3035::ac43:b19e2026-03-14 → 2026-03-24 · 3 obs

○ 2026-02-27 10:31:42
● 2026-03-14 04:31:16
● 2026-03-24 03:18:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pcalearning.com	martha.ns.cloudflare.com, osmar.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.124

NS records: martha.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pcalearning.com (unsigned zone)

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.158, 104.21.35.158`
AAAA	2	`2606:4700:3033::6815:239e, 2606:4700:3035::ac43:b19e`
NS	2	`martha.ns.cloudflare.com, osmar.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 a mx include:_spf.google.com incl`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`martha.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

pcalearning.com is a parent of mail.pcalearning.com.

IP Addresses

pcalearning.com points to four IP numbers: 2606:4700:3033::6815:239e, 2606:4700:3035::ac43:b19e, 104.21.35.158 and 172.67.177.158.

Other host names, for instance videomu.mobi, yuanxishoes.com, yogatrainingcollege.com, jhjksdkjf.top and (0x706f726e)star(0x736578)tube.com share IP numbers with pcalearning.com.

Name Servers

Delegation for pcalearning.com rests with two name servers, martha.ns.cloudflare.com and osmar.ns.cloudflare.com.

pcalearning.com shares the same name server setup as other domains, including cozinn.com, reconditionedforklifts.com, fbrest.com.ar, casino-jeetwin.com and cyberfresh.net.

pcalearning.com at least partially shares name servers with other domains, for instance hot(0x6d696c66)s(0x787878).com, 1wcegt.life, 1whpgp.life, tazecicek.com and voldux.com.

these name servers are commonly used with leia.ns.cloudflare.com, addyson.ns.cloudflare.com and duke.ns.cloudflare.com.

Host names with six IP numbers: martha.ns.cloudflare.com points to: 2606:4700:50::a29f:268e, 2803:f800:50::6ca2:c28e, 2a06:98c1:50::ac40:228e, 108.162.194.142, 162.159.38.142 and 172.64.34.142. osmar.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7c, 2803:f800:50::6ca2:c37c, 2a06:98c1:50::ac40:237c, 108.162.195.124, 162.159.44.124 and 172.64.35.124.

Mail Servers

pcalearning.com is handled by a single mail server, smtp.google.com.

pcalearning.com uses the same mail server configuration as other domains, such as skplan-j.com, miraheze.org, inspectionary.com, fgr.fi and vibefusionx.uk.

pcalearning.com shares mail servers with other domains at least in part, for instance saintb.com.sg, an-art.jp, jcroofing.me, scriptbank.nl and visabot.eu.

Host smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.

pcalearning.com - robtex.com

pcalearning.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

`pcalearning.com`

`com`