phoenixbuildingsystems.com - robtex.com

phoenixbuildingsystems.com

DNSSEC⚠️ Not signed
A18.168.222.159🇬🇧 Amazon18.168.0.0/14 EC2 LHR prefix
PTRec2-18-168-222-159.eu-west-2.compute.amazonaws.com
NSns1.cloudhosting.uk ⭐ ⚠️ Not in parent delegation
A77.72.0.13🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.cloudhosting.co.uk
NSns1.krystal.co.uk ⚠️ Not in zone NS records
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns2.cloudhosting.uk ⚠️ Not in parent delegation
A139.162.254.53🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.cloudhosting.co.uk
NSns2.krystal.co.uk ⚠️ Not in zone NS records
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
MXphoenixbuildingsystems-com.mail.protection.outlook.com ⭐
A2a01:111:f403:ca0b::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A2a01:111:f403:ca0b::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo3p265cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca0b::2🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo0p265cu00202.inbound.protection.outlook.com
A2a01:111:f403:ca1a::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00601.inbound.protection.outlook.com
A52.101.89.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A52.101.89.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo3p265cu00302.inbound.protection.outlook.com
A52.101.99.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00600.inbound.protection.outlook.com
A52.101.99.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00502.inbound.protection.outlook.com
TXTMS=ms78705719
TXTv=spf1 ip4:185.199.220.49 ip4:185.199.220.45 include:relay.k.io ip4:77.72.4.9...
SOAns1.cloudhosting.ukadmin@k-validator-osmium-lon1.cloudhosting.uk 2026-03-30 #2

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776001472

Subdomains

mail.phoenixbuildingsystems.com

Same first word

phoenixbuildingsystems.com

DNS History

17 records (6 active, 11 former)

200920112013201520172019202120232025NSns1.cloudhosting.ukns1.krystal.co.ukns2.cloudhosting.ukns2.krystal.co.ukns1.livedns.co.ukns1.uksrv.co.ukns2.livedns.co.ukns2.uksrv.co.ukns3.livedns.co.ukMXphoenixbuildingsystems-com.mail.protection.outlook.commail.phoenixbuildingsystems.commailserver.phoenixbuildingsystems.commx1.strikemail.co.ukmx2.strikemail.co.ukA18.168.222.159213.171.219.2455.9.207.61
●NSns1.cloudhosting.uk2026-03-28 → 2026-04-12 · 3 obs
○ 2018-07-09 12:38:14
● 2026-03-28 11:07:36
● 2026-04-12 14:08:52
●NSns1.krystal.co.uk2015-05-26 → 2026-04-12 · 6 obs
○ 2008-03-17 01:04:28
● 2015-05-26 01:48:32
● 2016-12-23 14:45:06
○ 2018-07-09 12:38:14
● 2026-03-28 11:07:36
● 2026-04-12 14:08:52
○NSns1.livedns.co.uk2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 01:04:28
○ 2015-05-26 01:48:32
○ 2026-04-12 14:08:52
○NSns1.uksrv.co.uk2018-07-09 → 2018-07-09 · 4 obs
○ 2016-12-23 14:45:06
● 2018-07-09 12:38:14
○ 2026-03-28 11:07:36
○ 2026-04-12 14:08:52
●NSns2.cloudhosting.uk2026-03-28 → 2026-04-12 · 3 obs
○ 2018-07-09 12:38:14
● 2026-03-28 11:07:36
● 2026-04-12 14:08:52
●NSns2.krystal.co.uk2015-05-26 → 2026-04-12 · 6 obs
○ 2008-03-17 01:04:28
● 2015-05-26 01:48:32
● 2016-12-23 14:45:06
○ 2018-07-09 12:38:14
● 2026-03-28 11:07:36
● 2026-04-12 14:08:52
○NSns2.livedns.co.uk2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 01:04:28
○ 2015-05-26 01:48:32
○ 2026-04-12 14:08:52
○NSns2.uksrv.co.uk2018-07-09 → 2018-07-09 · 4 obs
○ 2016-12-23 14:45:06
● 2018-07-09 12:38:14
○ 2026-03-28 11:07:36
○ 2026-04-12 14:08:52
○NSns3.livedns.co.uk2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 01:04:28
○ 2015-05-26 01:48:32
○ 2026-04-12 14:08:52
○MXmail.phoenixbuildingsystems.com2016-01-20 → 2018-07-09 · 5 obs
○ 2015-10-20 08:45:02
● 2016-01-20 07:15:22
● 2018-07-09 12:38:14
○ 2026-03-28 11:07:36
○ 2026-04-12 14:08:52
○MXmailserver.phoenixbuildingsystems.com2008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 01:04:28
○ 2015-05-26 01:48:32
○ 2026-04-12 14:08:52
○MXmx1.strikemail.co.uk2015-05-26 → 2015-10-20 · 5 obs
○ 2008-03-17 01:04:28
● 2015-05-26 01:48:32
● 2015-10-20 08:45:02
○ 2016-01-20 07:15:22
○ 2026-04-12 14:08:52
○MXmx2.strikemail.co.uk2015-05-26 → 2015-10-20 · 5 obs
○ 2008-03-17 01:04:28
● 2015-05-26 01:48:32
● 2015-10-20 08:45:02
○ 2016-01-20 07:15:22
○ 2026-04-12 14:08:52
●MXphoenixbuildingsystems-com.mail.protection.outlook.com2026-03-28 → 2026-04-12 · 3 obs
○ 2018-07-09 12:38:14
● 2026-03-28 11:07:36
● 2026-04-12 14:08:52
●A18.168.222.1592026-03-28 → 2026-04-12 · 3 obs
○ 2018-07-09 12:38:14
● 2026-03-28 11:07:36
● 2026-04-12 14:08:52
○A213.171.219.2452008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 01:04:28
○ 2015-05-26 01:48:32
○ 2026-04-12 14:08:52
○A5.9.207.612015-05-26 → 2018-07-09 · 5 obs
○ 2008-03-17 01:04:28
● 2015-05-26 01:48:32
● 2018-07-09 12:38:14
○ 2026-03-28 11:07:36
○ 2026-04-12 14:08:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
phoenixbuildingsystems.comns1.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 phoenixbuildingsystems.com (unsigned zone)

⏱️ Timing

Total: 488ms | Queries: -

📄 Records

TypeCountSample Data
A118.168.222.159
NS2ns1.cloudhosting.uk, ns2.cloudhosting.uk
MX1phoenixbuildingsystems-com.mail.protecti
TXT2v=spf1 ip4:185.199.220.49 ip4:185.199.22, MS=ms78705719
SOA1ns1.cloudhosting.uk admin.k-validator-os

Analysis

Hierarchy

phoenixbuildingsystems.com is a parent of mail.phoenixbuildingsystems.com.

IP Addresses

phoenixbuildingsystems.com points to a single IP number: 18.168.222.159.

Other host names such as autotechnica.co.uk and ec2-18-168-222-159.eu-west-2.compute.amazonaws.com share IP numbers with phoenixbuildingsystems.com.

Name Servers

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

phoenixbuildingsystems.com at least partially shares name servers with other domains, for instance retrolium.net, fash.org.uk, jameswallis.photography, pmsystem.org and spatial.aero.

these name servers are often used with ns1.krystal.uk, ns2.krystal.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.uksrv.co.uk, ns2.uksrv.co.uk, ns1.uksrv.uk and ns2.uksrv.uk.

Host names with a single IP address

ns1.cloudhosting.uk points to 77.72.0.13

ns2.cloudhosting.uk points to 139.162.254.53

ns1.krystal.co.uk points to 77.72.0.11

ns2.krystal.co.uk points to 139.162.230.184

Mail Servers

phoenixbuildingsystems.com is handled by a single mail server, phoenixbuildingsystems-com.mail.protection.outlook.com.

phoenixbuildingsystems-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.2, 52.101.99.0 and 52.101.99.2.