archb.co.uk - robtex.com

archb.co.uk

DNSSEC⚠️ Not signed
A185.194.90.29🇬🇧 KRYSTAL185.194.88.0/22
PTRs92.lon.krystal.io
NSns1.krystal.io ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.krystal.uk ⚠️ Not in zone NS records
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns2.krystal.io ⚠️ Not in parent delegation
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns2.krystal.uk ⚠️ Not in zone NS records
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns3.krystal.io ⚠️ Not in parent delegation
A77.72.0.13🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.cloudhosting.co.uk
NSns4.krystal.io ⚠️ Not in parent delegation
A139.162.254.53🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.cloudhosting.co.uk
MXmx1.krystal.io ⭐
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.krystal.io(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 +a +mx +ip4:185.194.90.29 include:relay.k.io ~all
SOAns1.krystal.ioadmin@demo.s92.lon.krystal.io 2026-03-28 #1

co.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1775943232
rank #170626 globally
rank #13909 in the tld
WOT: SAFE (74/100)

Subdomains

mail.archb.co.uk

Same first word

archb.com
archb.co.uk
archb.at

Similar names

hbarc.net
brach.pl
cbahr.net
bchar.xyz
crhba.org
barch.kr
chabr.ch
rbach.de
hbarc.org.uk
brach.info
rabch.com
cbhar.com
bchra.ca
bharc.com
brach.de
chbar.org.tw
bcrah.com
rchba.com
arcbh.org
cabhr.com
crbah.ru
hrbac.cz
carbh.com
brach.ch
rahcb.com
brcha.com
abrch.com
hrabc.com
rbach.priv.at
hcrab.com
abchr.com
abchr.org
hbarc.com
hrabc.com.cn
brach.at
charb.net
rhbca.com
abchr.net
brcha.cn
abchr.co.uk
crhba.com
bcrha.com
abchr.co.kr
hcbar.org
hbcar.com
chbar.de
bhrac.com
barch.org
rchba.info
brach.ca
hbcar.com.br
bchra.com
harcb.com
chbar.com
chabr.com
cbahr.com
abcrh.ca
ahcbr.com
rhcba.com
brach.com.au
hrabc.co.uk
hbcar.net
charb.org
bhcar.fr
brach.net
charb.ro

DNS History

16 records (9 active, 7 former)

20162017201820192020202120222023202420252026NSns1.krystal.ions1.krystal.ukns2.krystal.ions2.krystal.ukns3.krystal.ions4.krystal.ions0.zen.co.ukns1.zen.co.ukunamuno.zen.co.ukMXmx1.krystal.iomx2.krystal.iohost53.servers.prgn.misp.co.ukmail.archb.co.ukA185.194.90.29185.119.172.15282.147.19.83
○NSns0.zen.co.uk2015-08-09 → 2017-03-28 · 4 obs
● 2015-08-09 22:14:58
● 2017-03-28 09:37:06
○ 2026-04-04 18:33:08
○ 2026-04-11 21:35:40
●NSns1.krystal.io2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
●NSns1.krystal.uk2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
○NSns1.zen.co.uk2015-08-09 → 2017-03-28 · 4 obs
● 2015-08-09 22:14:58
● 2017-03-28 09:37:06
○ 2026-04-04 18:33:08
○ 2026-04-11 21:35:40
●NSns2.krystal.io2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
●NSns2.krystal.uk2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
●NSns3.krystal.io2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
●NSns4.krystal.io2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
○NSunamuno.zen.co.uk2015-08-09 → 2017-03-28 · 4 obs
● 2015-08-09 22:14:58
● 2017-03-28 09:37:06
○ 2026-04-04 18:33:08
○ 2026-04-11 21:35:40
○MXhost53.servers.prgn.misp.co.uk2017-03-28 → 2017-03-28 · 4 obs
○ 2016-03-08 19:43:00
● 2017-03-28 09:37:06
○ 2026-04-04 18:33:08
○ 2026-04-11 21:35:40
○MXmail.archb.co.uk2015-08-09 → 2016-03-08 · 4 obs
● 2015-08-09 22:14:58
● 2016-03-08 19:43:00
○ 2017-03-28 09:37:06
○ 2026-04-11 21:35:40
●MXmx1.krystal.io2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
●MXmx2.krystal.io2026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
○A185.119.172.1522017-03-28 → 2017-03-28 · 4 obs
○ 2016-03-08 19:43:00
● 2017-03-28 09:37:06
○ 2026-04-04 18:33:08
○ 2026-04-11 21:35:40
●A185.194.90.292026-04-04 → 2026-04-11 · 3 obs
○ 2017-03-28 09:37:06
● 2026-04-04 18:33:08
● 2026-04-11 21:35:40
○A82.147.19.832015-08-09 → 2016-03-08 · 4 obs
● 2015-08-09 22:14:58
● 2016-03-08 19:43:00
○ 2017-03-28 09:37:06
○ 2026-04-11 21:35:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns3.nic.uk, dns1.nic.uk, nsb.nic.uk, nsd.nic.uk...-
archb.co.ukns2.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 archb.co.uk (unsigned zone)

⏱️ Timing

Total: 715ms | Queries: -

📄 Records

TypeCountSample Data
A1185.194.90.29
NS4ns4.krystal.io, ns2.krystal.io...
MX2mx1.krystal.io (pri: 10), mx2.krystal.io (pri: 20)
TXT1v=spf1 +a +mx +ip4:185.194.90.29 include
SOA1ns1.krystal.io admin.demo.s92.lon.krysta

Analysis

Hierarchy

archb.co.uk is a parent of mail.archb.co.uk.

IP Addresses

archb.co.uk points to a single IP number: 185.194.90.29.

Other host names, for instance camphillcrest.co.uk, earthside.org, zacgvi.com, superdec.co.uk and callanderholidays.com share IP numbers with archb.co.uk.

Name Servers

archb.co.uk is delegated to six name servers: ns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io, ns1.krystal.uk and ns2.krystal.uk.

archb.co.uk at least partially shares name servers with other domains, for instance wessex-homes.com, audiodrama.co.uk, pipelaggerpro.co.uk, asburyandpell.co.uk and gainmoreskills.com.

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

Host names with one IP number:

The host name ns1.krystal.io points to: 77.72.0.11.

The host name ns2.krystal.io points to: 139.162.230.184.

The host name ns3.krystal.io points to: 77.72.0.13.

The host name ns4.krystal.io points to: 139.162.254.53.

The host name ns1.krystal.uk points to: 77.72.0.11.

The host name ns2.krystal.uk points to: 139.162.230.184.

Host names that point to 77.72.0.11: ns1.krystal.io and ns1.krystal.uk.

Host names that point to 139.162.230.184: ns2.krystal.io and ns2.krystal.uk.

Mail Servers

archb.co.uk is handled by two mail servers: mx1.krystal.io and mx2.krystal.io.

archb.co.uk uses the same mail server configuration as other domains, such as wearedesign.org, proclubstats.com, expsys.co.uk, lowcountryboys.com and merseamuseum.org.uk.

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