`netbookchoice.com`

DNSSEC	⚠️ Not signed
A	77.72.1.43^{🇬🇧 KRYSTAL}
		PTR	`maridun-lon1.krystal.uk`
NS	`ns1.krystal.uk` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL}
			PTR	`ns1.krystal.uk`
NS	`ns1.krystal.co.uk` ⚠️ Not in zone NS records
		A	77.72.0.11^{🇬🇧 KRYSTAL}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.co.uk` ⚠️ Not in zone NS records
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP}
			PTR	`ns2.krystal.uk`
NS	`ns2.krystal.uk` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP}
			PTR	`ns2.krystal.uk`
MX	`mx1.krystal.uk` ⭐
		A	185.53.56.44^{🇬🇧 KRYSTAL}
			PTR	`mx1.strikemail.co.uk`
		A	185.53.56.46^{🇬🇧 KRYSTAL}
MX	`mx2.krystal.uk`⁽²⁰⁾
		A	185.53.56.45^{🇬🇧 KRYSTAL}
		A	185.53.56.47^{🇬🇧 KRYSTAL}
TXT	`v=spf1 include:relay.k.io a mx ip4:77.72.1.43 ~all`
SOA	`ns1.krystal.uk`admin@k-validator-maridun-lon1.krystal.uk 2026-01-05 #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=1771291435

WOT: SAFE (92/100)

Previously MX for

netbookchoice.com

Up

www.netbookchoice.com

Same first word

netbookchoice.com

DNS History

13 records (7 active, 6 former)

●NSns1.krystal.co.uk2026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

●NSns1.krystal.uk2026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

○NSns1.tsohost.co.uk2015-07-07 → 2017-06-15 · 4 obs

● 2015-07-07 09:06:46
● 2017-06-15 16:33:16
○ 2026-02-20 23:33:50
○ 2026-02-22 12:00:38

●NSns2.krystal.co.uk2026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

●NSns2.krystal.uk2026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

○NSns2.tsohost.co.uk2015-07-07 → 2017-06-15 · 4 obs

● 2015-07-07 09:06:46
● 2017-06-15 16:33:16
○ 2026-02-20 23:33:50
○ 2026-02-22 12:00:38

○NSns3.tsohost.co.uk2015-07-07 → 2017-06-15 · 4 obs

● 2015-07-07 09:06:46
● 2017-06-15 16:33:16
○ 2026-02-20 23:33:50
○ 2026-02-22 12:00:38

●MXmx1.krystal.uk2026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

●MXmx2.krystal.uk2026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

○MXnetbookchoice.com2015-07-07 → 2017-06-15 · 4 obs

● 2015-07-07 09:06:46
● 2017-06-15 16:33:16
○ 2026-02-20 23:33:50
○ 2026-02-22 12:00:38

○A185.119.173.2382017-05-31 → 2017-06-15 · 5 obs

○ 2015-07-07 09:06:46
● 2017-05-31 20:15:54
● 2017-06-15 16:33:16
○ 2026-02-20 23:33:50
○ 2026-02-22 12:00:38

●A77.72.1.432026-02-20 → 2026-02-22 · 3 obs

○ 2017-06-15 16:33:16
● 2026-02-20 23:33:50
● 2026-02-22 12:00:38

○A91.146.108.32015-07-07 → 2017-06-15 · 4 obs

● 2015-07-07 09:06:46
● 2017-06-15 16:33:16
○ 2026-02-20 23:33:50
○ 2026-02-22 12:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
netbookchoice.com	ns1.krystal.co.uk, ns2.krystal.co.uk	-

✅ Authoritative Response

Server: 139.162.230.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netbookchoice.com (unsigned zone)

⏱️ Timing

Total: 760ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.1.43`
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 a mx ip4:77`
SOA	1	`ns1.krystal.uk admin.k-validator-maridun`

AI analysis

The parent of www.netbookchoice.com is netbookchoice.com.

netbookchoice.com points to a single IP address: 77.72.1.43.

Other host names such as therowan.org, resustraining.co.uk, prosystemsplus.co.uk, londonviptransfers.com and bh0.co share IPs with netbookchoice.com.

netbookchoice.com is delegated to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

netbookchoice.com at least partially shares name servers with other domains, for example neo-outsiders.com, amanwithoutaname.com, hebwx.co.uk, kelloo.com and lohasrecycling.com.

these name servers are commonly used with the following name servers: ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.uksrv.co.uk, ns2.uksrv.co.uk, ns1.cloudhosting.net, ns2.cloudhosting.net, ns3.cloudhosting.net and ns4.cloudhosting.net.

Host names with a single IP:

ns1.krystal.uk points to 77.72.0.11.

ns2.krystal.uk points to 139.162.230.184.

ns1.krystal.co.uk points to 77.72.0.11.

ns2.krystal.co.uk points to 139.162.230.184.

Reverse mappings:

ns1.krystal.uk and ns1.krystal.co.uk point to 77.72.0.11.

ns2.krystal.uk and ns2.krystal.co.uk point to 139.162.230.184.

Two mail servers handle netbookchoice.com: mx1.krystal.uk and mx2.krystal.uk.

netbookchoice.com shares the same mail server setup as other domains, including swcouriers.com, biana.uk, ruthwall.co.uk, herbalmed.co.uk and alt2.com.

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.

netbookchoice.com - robtex.com