linkedtraining.net - dns.ninja

`linkedtraining.net`

DNSSEC	⚠️ Not signed
A	77.72.2.74^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`edward-lon.krystal.uk`
NS	`ns1.krystal.uk` ⭐
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.uk`
		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 include:relay.k.io ip4:77.72.2.74 a mx ip4:77.72.1.41 ~all`
SOA	`ns1.krystal.uk`admin@k-validator-edward-lon.krystal.uk 2026-07-11 #0

`net`

	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=1785286042

Subdomains

mail.linkedtraining.net

Same first word

linkedtraining.net

DNS History

10 records (5 active, 5 former)

●NSns1.krystal.uk2026-04-17 → 2026-07-29 · 3 obs

○ 2017-05-14 17:21:16
● 2026-04-17 17:03:20
● 2026-07-29 01:13:00

○NSns1.ourlinuxnetwork.com2015-06-10 → 2017-05-14 · 4 obs

● 2015-06-10 13:22:26
● 2017-05-14 17:21:16
○ 2026-04-17 17:03:20
○ 2026-07-29 01:13:00

●NSns2.krystal.uk2026-04-17 → 2026-07-29 · 3 obs

○ 2017-05-14 17:21:16
● 2026-04-17 17:03:20
● 2026-07-29 01:13:00

○NSns2.ourlinuxnetwork.com2015-06-10 → 2017-05-14 · 4 obs

● 2015-06-10 13:22:26
● 2017-05-14 17:21:16
○ 2026-04-17 17:03:20
○ 2026-07-29 01:13:00

○MXmail.linkedtraining.net2015-06-10 → 2017-05-14 · 4 obs

● 2015-06-10 13:22:26
● 2017-05-14 17:21:16
○ 2026-04-17 17:03:20
○ 2026-07-29 01:13:00

●MXmx1.krystal.uk2026-04-17 → 2026-07-29 · 3 obs

○ 2017-05-14 17:21:16
● 2026-04-17 17:03:20
● 2026-07-29 01:13:00

●MXmx2.krystal.uk2026-04-17 → 2026-07-29 · 3 obs

○ 2017-05-14 17:21:16
● 2026-04-17 17:03:20
● 2026-07-29 01:13:00

○A109.109.131.1612016-10-28 → 2017-05-14 · 5 obs

○ 2016-03-31 08:50:18
● 2016-10-28 11:29:22
● 2017-05-14 17:21:16
○ 2026-04-17 17:03:20
○ 2026-07-29 01:13:00

○A109.109.131.1782015-06-10 → 2016-03-31 · 4 obs

● 2015-06-10 13:22:26
● 2016-03-31 08:50:18
○ 2016-10-28 11:29:22
○ 2026-07-29 01:13:00

●A77.72.2.742026-04-17 → 2026-07-29 · 3 obs

○ 2017-05-14 17:21:16
● 2026-04-17 17:03:20
● 2026-07-29 01:13:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
linkedtraining.net	ns2.krystal.uk, ns1.krystal.uk	-

✅ Authoritative Response

Server:139.162.230.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkedtraining.net (unsigned zone)

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.74`
NS	2	`ns1.krystal.uk, ns2.krystal.uk`
MX	2	`mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)`
TXT	1	`v=spf1 include:relay.k.io ip4:77.72.2.74`
SOA	1	`ns1.krystal.uk admin.k-validator-edward-`

Analysis

Hierarchy

linkedtraining.net is a parent domain of mail.linkedtraining.net.

IP Addresses

linkedtraining.net resolves to one IP address: 77.72.2.74.

mail.lilithbecker.com, mail.neighbourfinder.co.uk, eit.engineers.scot and two other host names share IP numbers with linkedtraining.net.

Name Servers

DNS delegation for linkedtraining.net points to two name servers: ns1.krystal.uk and ns2.krystal.uk.

linkedtraining.net uses the same name servers as several other domains — among them accellous.com, spirecon.uk, alingo.pl and two more.

linkedtraining.net shares at least some of its name servers with other domains, including countrywide-mobility.co.uk, designforonline.com, rede4.com and two others.

These name servers are frequently seen alongside ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.cloudhosting.co.uk and 5 other name servers.

ns1.krystal.uk and ns2.krystal.uk each resolve to one IP number: ns1.krystal.uk points to 77.72.0.11 and ns2.krystal.uk points to 139.162.230.184.

Mail Servers

Mail for linkedtraining.net is handled by two mail servers — mx1.krystal.uk and mx2.krystal.uk.

linkedtraining.net uses an identical mail server configuration to several other domains — among them nisfa.co.uk, hairdressersupplies.co.uk, peepthat.co.uk and two more.

linkedtraining.net shares at least some of its mail servers with other domains, such as westii.com and brickmatch.co.uk.

mx1.krystal.uk directs to 185.53.56.44 and 185.53.56.46. mx2.krystal.uk directs to 185.53.56.45 and 185.53.56.47. Each host name carries two IP addresses.