z6.uk - robtex.com

z6.uk

DNSSEC⚠️ Not signed
A77.72.4.15🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRthyra.uksrv.co.uk
NSns1.uksrv.uk ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.rickler.net ⚠️ Not in zone NS records
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns2.rickler.net ⚠️ Not in zone NS records
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns2.uksrv.uk ⚠️ Not in parent delegation
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
MXmx1.uksrv.co.uk ⭐
A185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22
PTRmx1.strikemail.co.uk
A185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22
PTRmx1.strikemail.co.uk
MXmx2.uksrv.co.uk(20)
A185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22
PTRmx2.strikemail.co.uk
A185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22
PTRmx2.strikemail.co.uk
TXTv=spf1 ip4:77.72.4.15 include:_mailcust.gandi.net include:relay.k.io ?all
SOAns1.uksrv.ukadmin@k-validator-thyra.uksrv.co.uk 2026-02-25 #1

uk

DNSSEC🔒 Signed (DS record present)
NSdns1.nic.uk ⭐
NSdns2.nic.uk
NSdns3.nic.uk
NSdns4.nic.uk
NSnsa.nic.uk
NSnsb.nic.uk
NSnsc.nic.uk
NSnsd.nic.uk
SOAdns1.nic.ukhostmaster@nic.uk serial=1774509066
🔒 HSTS Preload (+subdomains)

Same first word

z6.eu
z6.no
z6.net.cn
z6.be
z6.pl
z6.uk
z6.fr
z6.cn
z6.com
z6.se
z6.co.za
z6.ro
z6.dk
z6.net
z6.tel
z6.cc
z6.de
z6.hu
z6.ru

Similar names

6z.be
6z.vc
6z.at
6z.de
6z.cc
6z.kz
6z.co.uk
6z.game
6z.nl
6z.ru
6z.dk
6z.com
6z.net
6z.zone
6z.se
6z.fr
6z.pl

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSns1.rickler.netns1.uksrv.ukns2.rickler.netns2.uksrv.ukns1.uk4.siteground.euns1.vidacloud.co.ukns2.uk4.siteground.euns2.vidacloud.co.ukMXmx1.uksrv.co.ukmx2.uksrv.co.ukmail3.eqx.gridhost.co.ukmx10.mailspamprotection.commx20.mailspamprotection.commx30.mailspamprotection.comA77.72.4.15185.123.97.82188.65.114.12295.142.152.202
●NSns1.rickler.net2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○NSns1.uk4.siteground.eu2016-03-12 → 2016-12-29 · 5 obs
○ 2016-02-10 17:04:28
● 2016-03-12 05:49:04
● 2016-12-29 06:03:26
○ 2026-02-16 22:52:44
○ 2026-03-26 07:15:50
●NSns1.uksrv.uk2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○NSns1.vidacloud.co.uk2015-09-03 → 2016-02-10 · 4 obs
● 2015-09-03 05:04:50
● 2016-02-10 17:04:28
○ 2016-03-12 05:49:04
○ 2026-03-26 07:15:50
●NSns2.rickler.net2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○NSns2.uk4.siteground.eu2016-03-12 → 2016-12-29 · 5 obs
○ 2016-02-10 17:04:28
● 2016-03-12 05:49:04
● 2016-12-29 06:03:26
○ 2026-02-16 22:52:44
○ 2026-03-26 07:15:50
●NSns2.uksrv.uk2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○NSns2.vidacloud.co.uk2015-09-03 → 2016-02-10 · 4 obs
● 2015-09-03 05:04:50
● 2016-02-10 17:04:28
○ 2016-03-12 05:49:04
○ 2026-03-26 07:15:50
○MXmail3.eqx.gridhost.co.uk2015-09-03 → 2016-02-10 · 4 obs
● 2015-09-03 05:04:50
● 2016-02-10 17:04:28
○ 2016-03-12 05:49:04
○ 2026-03-26 07:15:50
●MXmx1.uksrv.co.uk2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○MXmx10.mailspamprotection.com2016-03-12 → 2016-12-29 · 5 obs
○ 2016-02-10 17:04:28
● 2016-03-12 05:49:04
● 2016-12-29 06:03:26
○ 2026-02-16 22:52:44
○ 2026-03-26 07:15:50
●MXmx2.uksrv.co.uk2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○MXmx20.mailspamprotection.com2016-03-12 → 2016-12-29 · 5 obs
○ 2016-02-10 17:04:28
● 2016-03-12 05:49:04
● 2016-12-29 06:03:26
○ 2026-02-16 22:52:44
○ 2026-03-26 07:15:50
○MXmx30.mailspamprotection.com2016-03-12 → 2016-12-29 · 5 obs
○ 2016-02-10 17:04:28
● 2016-03-12 05:49:04
● 2016-12-29 06:03:26
○ 2026-02-16 22:52:44
○ 2026-03-26 07:15:50
○A185.123.97.822016-03-12 → 2016-12-29 · 5 obs
○ 2016-02-10 17:04:28
● 2016-03-12 05:49:04
● 2016-12-29 06:03:26
○ 2026-02-16 22:52:44
○ 2026-03-26 07:15:50
○A188.65.114.1222015-09-03 → 2015-11-13 · 4 obs
● 2015-09-03 05:04:50
● 2015-11-13 13:07:32
○ 2016-01-08 02:52:08
○ 2026-03-26 07:15:50
●A77.72.4.152026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-29 06:03:26
● 2026-02-16 22:52:44
● 2026-03-26 07:15:50
○A95.142.152.2022016-01-08 → 2016-02-10 · 5 obs
○ 2015-11-13 13:07:32
● 2016-01-08 02:52:08
● 2016-02-10 17:04:28
○ 2016-03-12 05:49:04
○ 2026-03-26 07:15:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsc.nic.uk, dns2.nic.uk, dns1.nic.uk, nsb.nic.uk...-
z6.ukns2.rickler.net, ns1.rickler.net-

✅ Authoritative Response

Server:139.162.230.184

NS records: ns2.rickler.net, ns1.rickler.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for z6.uk (unsigned zone)

⏱️ Timing

Total: 1432ms | Queries: -

📄 Records

TypeCountSample Data
A177.72.4.15
NS2ns2.uksrv.uk, ns1.uksrv.uk
MX2mx1.uksrv.co.uk (pri: 10), mx2.uksrv.co.uk (pri: 20)
TXT1v=spf1 ip4:77.72.4.15 include:_mailcus
SOA1ns1.uksrv.uk admin.k-validator-thyra.uks

Analysis

IP Addresses

z6.uk resolves to one IP number: 77.72.4.15.

Other host names, for instance neilbraithwaite.co.uk, www.ecologybydesign.co.uk, fledge.org.uk, rickler.net and daymonbritton.com share IP numbers with z6.uk.

Name Servers

z6.uk delegates to four name servers: ns1.rickler.net, ns2.rickler.net, ns1.uksrv.uk and ns2.uksrv.uk.

z6.uk at least partially shares name servers with other domains, including best-slipcovers.com, swhype.com, deadsocial.org, doubletee.net and edgesw.com.

These name servers are commonly used with ns1.uksrv.co.uk, ns2.uksrv.co.uk, ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

Hostnames with a single IP number:

ns1.rickler.net points to: 77.72.0.11.

ns2.rickler.net points to: 139.162.230.184.

ns1.uksrv.uk points to: 77.72.0.11.

ns2.uksrv.uk points to: 139.162.230.184.

Hostnames pointing to 77.72.0.11: ns1.rickler.net and ns1.uksrv.uk.

Hostnames pointing to 139.162.230.184: ns2.rickler.net and ns2.uksrv.uk.

Mail Servers

z6.uk is served by two mail servers mx1.uksrv.co.uk and mx2.uksrv.co.uk.

z6.uk shares the same mail server setup as other domains, for instance gettraffictomywebsite.net, panthergasdirect.mobi, hidden-histories.org.uk, e-c-a.co.uk and aliviarose.co.uk.

z6.uk shares at least some mail servers with other domains, for example cav-escarbille.com, ssquareddigital.com, dbsltd.org.uk, darkwhitedigital.co.uk and ukeventassociates.co.uk.

Host names with two IPs:

mx1.uksrv.co.uk points to 185.53.56.44 and 185.53.56.46

mx2.uksrv.co.uk points to 185.53.56.45 and 185.53.56.47