DNSWHOIS.INFO - react4u.co.uk

Search for IP or hostnames:

react4u.co.uk checked at 2025-10-25T13:45:43.499Z 309ms 85/85/85 100% R:13

`react4u.co.uk`

NS	`ns1.krystal.uk`
		A	77.72.0.11^{🇬🇧 Krystal Hosting}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.uk`
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP}
			PTR	`ns2.krystal.uk`
MX	`react4u-co-uk.mail.protection.outlook.com`
		A	2a01:111:f403:ca0b::1 ^{🇬🇧 Microsoft}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2 ^{🇬🇧 Microsoft}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a:: ^{🇬🇧 Microsoft}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1 ^{🇬🇧 Microsoft}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
A	185.194.90.12^{🇬🇧 Krystal Hosting}
		PTR	`whis-lon.krystal.uk`

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react4u.co.uk points to a single IP: 185.194.90.12.

Other host names, for instance cial.org.uk, cognitive-i.com, willden.co.uk, charlotte-harris.com and bencobuilders.co.uk share IP numbers with react4u.co.uk.

Two name servers ns1.krystal.uk and ns2.krystal.uk handle delegation for react4u.co.uk.

react4u.co.uk uses the same name server setup as other domains, for example dnsbackup.com, totalwebsitedesign.co.uk, pzsc.org.uk, lovefromtuscany.com and housman.eu.

Host names with one IP number: The host name ns1.krystal.uk points to 77.72.0.11 and the host name ns2.krystal.uk points to 139.162.230.184.

react4u.co.uk is handled by a single mail server, react4u-co-uk.mail.protection.outlook.com.

Hostname react4u-co-uk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.

dbq