`pe4learning.com`

DNSSEC	⚠️ Not signed
A	185.194.90.1^{🇬🇧 KRYSTAL185.194.88.0/22}
		PTR	`goku-lon.krystal.uk`
NS	`ns1.krystal.uk` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns1.cloudhosting.uk` ⚠️ Not in zone NS records
		A	77.72.0.13^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.cloudhosting.co.uk`
NS	`ns2.cloudhosting.uk` ⚠️ Not in zone NS records
		A	139.162.254.53^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.cloudhosting.co.uk`
NS	`ns2.krystal.uk` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
MX	`mx1.krystal.uk` ⭐
		A	185.53.56.44^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
		A	185.53.56.46^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
MX	`mx2.krystal.uk`⁽²⁰⁾
		A	185.53.56.45^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
		A	185.53.56.47^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
TXT	`v=spf1 ip4:185.194.90.1 include:relay.k.io mx a ip4:77.72.0.114 ~all`
TXT	`google-site-verification=fivkCP4AQ_XKav5Dx6FjkpTZNunub-p1wlewFLmTPGo`
SOA	`ns1.krystal.uk`admin@k-validator-goku-lon.krystal.uk 2026-02-26 #1

`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=1774759492

Previously MX for

pe4learning.com

Subdomains

mail.pe4learning.com

Same first word

pe4learning.com

DNS History

28 records (7 active, 21 former)

○NSanna.ns.cloudflare.com2020-01-17 → 2020-01-17 · 4 obs

○ 2017-01-30 00:52:00
● 2020-01-17 14:04:04
○ 2026-03-10 18:56:54
○ 2026-03-29 05:13:08

○NSclay.ns.cloudflare.com2016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○NSjerry.ns.cloudflare.com2020-01-17 → 2020-01-17 · 4 obs

○ 2017-01-30 00:52:00
● 2020-01-17 14:04:04
○ 2026-03-10 18:56:54
○ 2026-03-29 05:13:08

○NSns1.bluehost.com2015-06-04 → 2015-10-21 · 4 obs

● 2015-06-04 08:37:56
● 2015-10-21 00:28:50
○ 2016-02-10 14:20:14
○ 2026-03-29 05:13:08

●NSns1.cloudhosting.uk2026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

●NSns1.krystal.uk2026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

○NSns15.cloud.mycpanelcloud.co.uk2017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-30 10:57:44
● 2017-01-30 00:52:00
○ 2020-01-17 14:04:04
○ 2026-03-29 05:13:08

○NSns16.cloud.mycpanelcloud.co.uk2017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-30 10:57:44
● 2017-01-30 00:52:00
○ 2020-01-17 14:04:04
○ 2026-03-29 05:13:08

○NSns2.bluehost.com2015-06-04 → 2015-10-21 · 4 obs

● 2015-06-04 08:37:56
● 2015-10-21 00:28:50
○ 2016-02-10 14:20:14
○ 2026-03-29 05:13:08

●NSns2.cloudhosting.uk2026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

●NSns2.krystal.uk2026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

○NStani.ns.cloudflare.com2016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○MXdc-a390d9db.pe4learning.com2016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○MXmail.pe4learning.com2015-06-04 → 2016-04-30 · 4 obs

● 2015-06-04 08:37:56
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

●MXmx1.krystal.uk2026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

●MXmx2.krystal.uk2026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

○MXpe4learning.com2015-10-21 → 2017-01-30 · 6 obs

○ 2015-06-04 08:37:56
● 2015-10-21 00:28:50
○ 2016-02-10 14:20:14
● 2017-01-30 00:52:00
○ 2020-01-17 14:04:04
○ 2026-03-29 05:13:08

○A104.18.36.322020-01-17 → 2020-01-17 · 4 obs

○ 2017-01-30 00:52:00
● 2020-01-17 14:04:04
○ 2026-03-10 18:56:54
○ 2026-03-29 05:13:08

○A104.18.37.322020-01-17 → 2020-01-17 · 4 obs

○ 2017-01-30 00:52:00
● 2020-01-17 14:04:04
○ 2026-03-10 18:56:54
○ 2026-03-29 05:13:08

○A104.28.10.672016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○A104.28.11.672016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○A185.116.214.182017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-30 10:57:44
● 2017-01-30 00:52:00
○ 2020-01-17 14:04:04
○ 2026-03-29 05:13:08

●A185.194.90.12026-03-10 → 2026-03-29 · 3 obs

○ 2020-01-17 14:04:04
● 2026-03-10 18:56:54
● 2026-03-29 05:13:08

○A2400:cb00:2048:1::681c:a432016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○A2400:cb00:2048:1::681c:b432016-02-10 → 2016-04-30 · 5 obs

○ 2015-10-21 00:28:50
● 2016-02-10 14:20:14
● 2016-04-30 10:57:44
○ 2017-01-30 00:52:00
○ 2026-03-29 05:13:08

○A2606:4700:3031::6812:24202020-01-17 → 2020-01-17 · 4 obs

○ 2017-01-30 00:52:00
● 2020-01-17 14:04:04
○ 2026-03-10 18:56:54
○ 2026-03-29 05:13:08

○A2606:4700:3033::6812:25202020-01-17 → 2020-01-17 · 4 obs

○ 2017-01-30 00:52:00
● 2020-01-17 14:04:04
○ 2026-03-10 18:56:54
○ 2026-03-29 05:13:08

○A69.195.124.1402015-06-04 → 2015-10-21 · 4 obs

● 2015-06-04 08:37:56
● 2015-10-21 00:28:50
○ 2016-02-10 14:20:14
○ 2026-03-29 05:13:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pe4learning.com	ns1.cloudhosting.uk, ns2.cloudhosting.uk	-

✅ Authoritative Response

Server:139.162.254.53

NS records: ns1.cloudhosting.uk, ns2.cloudhosting.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pe4learning.com (unsigned zone)

⏱️ Timing

Total: 1189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.194.90.1`
NS	2	`ns1.krystal.uk, ns2.krystal.uk`
MX	2	`mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)`
TXT	2	`v=spf1 ip4:185.194.90.1 include:relay.k., google-site-verification=fivkCP4AQ_XKav5`
SOA	1	`ns1.krystal.uk admin.k-validator-goku-lo`

Analysis

Hierarchy

The parent of mail.pe4learning.com is pe4learning.com.

IP Addresses

pe4learning.com points to IP number: 185.194.90.1.

Other host names such as 1staid4fencing.com, abcwebhosting.co.uk, gangwaysuk.com, coventnet.com and christinebianco.com share IPs with pe4learning.com.

Name Servers

pe4learning.com is delegated to four name servers: ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.uk and ns2.krystal.uk.

pe4learning.com at least partially shares name servers with other domains, for instance cshl.ac.uk, wtgdevelopments.com, spicewebdesign.com, guydub.com and braveheart-islay.co.uk.

These name servers are commonly used alongside ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.uksrv.co.uk, ns2.uksrv.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and ns4.krystal.io.

Host names with one IP number:

ns1.cloudhosting.uk points to 77.72.0.13.

ns2.cloudhosting.uk points to 139.162.254.53.

ns1.krystal.uk points to 77.72.0.11.

ns2.krystal.uk points to 139.162.230.184.

Mail Servers

pe4learning.com is handled by two mail servers: mx1.krystal.uk and mx2.krystal.uk.

The mail server setup for pe4learning.com matches that of other domains, for instance build.they.do, remarqs.com, gingerbrook.com, hartill.co.uk and stagcrewcroatia.com.

pe4learning.com shares some mail servers with other domains, at least in part, for instance 404digital.co.uk.

Host names with two IP numbers: mx1.krystal.uk points to: 185.53.56.44 and 185.53.56.46; mx2.krystal.uk points to: 185.53.56.45 and 185.53.56.47.

pe4learning.com - robtex.com

pe4learning.com

com

Previously MX for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`pe4learning.com`

`com`