`pro-performance.co.uk`

DNSSEC	⚠️ Not signed
A	77.72.1.44^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
		PTR	`scarif-lon1.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	`properformance-co-uk0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.krystal.uk`admin@k-validator-scarif-lon1.krystal.uk 2026-04-24 #1

`co.uk`

	DNSSEC	⚠️ Not signed
	NS	`dns1.nic.uk` ⭐ ⚠️ Not in parent delegation
	NS	`dns2.nic.uk` ⚠️ Not in parent delegation
	NS	`dns3.nic.uk` ⚠️ Not in parent delegation
	NS	`dns4.nic.uk` ⚠️ Not in parent delegation
	NS	`nsa.nic.uk` ⚠️ Not in parent delegation
	NS	`nsb.nic.uk` ⚠️ Not in parent delegation
	NS	`nsc.nic.uk` ⚠️ Not in parent delegation
	NS	`nsd.nic.uk` ⚠️ Not in parent delegation
	SOA	`dns1.nic.uk`hostmaster@nominet.org.uk serial=1777037440

WOT: SAFE (59/100)
rank #171188 globally
rank #14233 in the tld
WOT: SAFE (74/100)

Same first word

pro-performance.biz

pro-performance.com.au

pro-performance.co.uk

DNS History

20 records (4 active, 16 former)

●NSns1.krystal.uk2026-02-26 → 2026-04-24 · 3 obs

○ 2018-11-09 02:51:08
● 2026-02-26 20:28:28
● 2026-04-24 13:41:24

○NSns1.wessex.cloud2018-11-09 → 2018-11-09 · 4 obs

○ 2017-02-06 22:30:52
● 2018-11-09 02:51:08
○ 2026-02-26 20:28:28
○ 2026-04-24 13:41:24

●NSns2.krystal.uk2026-02-26 → 2026-04-24 · 3 obs

○ 2018-11-09 02:51:08
● 2026-02-26 20:28:28
● 2026-04-24 13:41:24

○NSns2.wessex.cloud2018-11-09 → 2018-11-09 · 4 obs

○ 2017-02-06 22:30:52
● 2018-11-09 02:51:08
○ 2026-02-26 20:28:28
○ 2026-04-24 13:41:24

○NSns3.wessex.cloud2018-11-09 → 2018-11-09 · 4 obs

○ 2017-02-06 22:30:52
● 2018-11-09 02:51:08
○ 2026-02-26 20:28:28
○ 2026-04-24 13:41:24

○NSns33.1and1.co.uk2015-07-23 → 2016-02-26 · 4 obs

● 2015-07-23 11:07:22
● 2016-02-26 12:10:40
○ 2017-02-06 22:30:52
○ 2026-04-24 13:41:24

○NSns34.1and1.co.uk2015-07-23 → 2016-02-26 · 4 obs

● 2015-07-23 11:07:22
● 2016-02-26 12:10:40
○ 2017-02-06 22:30:52
○ 2026-04-24 13:41:24

○NSns6.wessexnetworks.com2017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-26 12:10:40
● 2017-02-06 22:30:52
○ 2018-11-09 02:51:08
○ 2026-04-24 13:41:24

○NSns7.wessexnetworks.com2017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-26 12:10:40
● 2017-02-06 22:30:52
○ 2018-11-09 02:51:08
○ 2026-04-24 13:41:24

○NSns8.wessexnetworks.com2017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-26 12:10:40
● 2017-02-06 22:30:52
○ 2018-11-09 02:51:08
○ 2026-04-24 13:41:24

○MXcluster1.eu.messagelabs.com2017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-26 12:10:40
● 2017-02-06 22:30:52
○ 2018-11-09 02:51:08
○ 2026-04-24 13:41:24

○MXcluster1a.eu.messagelabs.com2017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-26 12:10:40
● 2017-02-06 22:30:52
○ 2018-11-09 02:51:08
○ 2026-04-24 13:41:24

○MXd51672a.ess.barracudanetworks.com2015-07-23 → 2016-02-26 · 4 obs

● 2015-07-23 11:07:22
● 2016-02-26 12:10:40
○ 2017-02-06 22:30:52
○ 2026-04-24 13:41:24

○MXd51672b.ess.barracudanetworks.com2015-07-23 → 2016-02-26 · 4 obs

● 2015-07-23 11:07:22
● 2016-02-26 12:10:40
○ 2017-02-06 22:30:52
○ 2026-04-24 13:41:24

●MXproperformance-co-uk0i.mail.protection.outlook.com2018-11-09 → 2026-04-24 · 3 obs

○ 2017-02-06 22:30:52
● 2018-11-09 02:51:08
● 2026-04-24 13:41:24

○MXsail.wpl3.com2015-07-23 → 2016-02-26 · 4 obs

● 2015-07-23 11:07:22
● 2016-02-26 12:10:40
○ 2017-02-06 22:30:52
○ 2026-04-24 13:41:24

○A109.74.250.902017-02-06 → 2017-02-06 · 4 obs

○ 2016-02-26 12:10:40
● 2017-02-06 22:30:52
○ 2018-11-09 02:51:08
○ 2026-04-24 13:41:24

○A185.160.167.272018-11-09 → 2018-11-09 · 4 obs

○ 2017-02-06 22:30:52
● 2018-11-09 02:51:08
○ 2026-02-26 20:28:28
○ 2026-04-24 13:41:24

●A77.72.1.442026-02-26 → 2026-04-24 · 3 obs

○ 2018-11-09 02:51:08
● 2026-02-26 20:28:28
● 2026-04-24 13:41:24

○A82.165.255.2282015-07-23 → 2016-02-26 · 4 obs

● 2015-07-23 11:07:22
● 2016-02-26 12:10:40
○ 2017-02-06 22:30:52
○ 2026-04-24 13:41:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
pro-performance.co.uk	ns1.krystal.uk, ns2.krystal.uk	-

✅ Authoritative Response

Server:77.72.0.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pro-performance.co.uk (unsigned zone)

⏱️ Timing

Total: 493ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.1.44`
NS	2	`ns1.krystal.uk, ns2.krystal.uk`
MX	1	`properformance-co-uk0i.mail.protection.o`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.krystal.uk admin.k-validator-scarif-`

Analysis

IP Addresses

pro-performance.co.uk maps to IP address 77.72.1.44.

Other host names, for instance pargecon.com, mondaweb.com, jimmalcolm.com, suspended-domain.net and whitehouserhuallt.co.uk share IP numbers with pro-performance.co.uk.

Name Servers

Two name servers ns1.krystal.uk and ns2.krystal.uk are delegated to pro-performance.co.uk.

pro-performance.co.uk uses the same name server configuration as other domains, such as asapplumbingandheating.co.uk, wellconnectedagent.com, amlandscaping.co.uk, geraldinegreen.co.uk and supermarkets.co.uk.

pro-performance.co.uk at least partially shares name servers with other domains such as security-seals-direct2u.co.uk, jlunnon.com, adamsgs.com, korella.com and rhinoroofracks.com.

These name servers are often used together with ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.cloudhosting.uk and ns2.cloudhosting.uk.

Host names with a single IP address:

ns1.krystal.uk points to 77.72.0.11

ns2.krystal.uk points to 139.162.230.184

Mail Servers

pro-performance.co.uk is handled by a single mail server, properformance-co-uk0i.mail.protection.outlook.com.

properformance-co-uk0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.

pro-performance.co.uk - robtex.com