WWW.RTSAK.COM - 1st-option.com

Search for IP or hostnames:

1st-option.com checked at 2025-11-03T02:15:22.643Z 230ms 113/113/113 100% R:15

`1st-option.com`

NS	`ns2.dns.as8607.com`
		A	2600:9000:5300:fe00::1 ^{🇺🇸 Amazon}
			PTR	`ns-254.awsdns-31.com`
		A	205.251.192.254^{🇺🇸 Amazon}
			PTR	`ns-254.awsdns-31.com`
NS	`ns1.dns.as8607.net`
		A	2600:9000:5303:2400::1 ^{🇺🇸 Amazon}
			PTR	`ns-804.awsdns-36.net`
		A	205.251.195.36^{🇺🇸 Amazon}
			PTR	`ns-804.awsdns-36.net`
NS	`ns3.dns.as8607.org`
		A	2600:9000:5304:dc00::1 ^{🇺🇸 Amazon}
			PTR	`ns-1244.awsdns-27.org`
		A	205.251.196.220^{🇺🇸 Amazon}
			PTR	`ns-1244.awsdns-27.org`
MX	`1stoption-com0i.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	52.101.89.0^{🇬🇧 Microsoft}
			PTR	`mail-lo2p265cu02300.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`
NS	`ns4.dns.as8607.co.uk`
		A	2600:9000:5306:d300::1 ^{🇺🇸 Amazon}
			PTR	`ns-1747.awsdns-26.co.uk`
		A	205.251.198.211^{🇺🇸 Amazon}
			PTR	`ns-1747.awsdns-26.co.uk`
A	62.233.99.31^{🇬🇧 IOMART-AS}
		PTR	`no-ptr.as20860.net`

mail.1st-option.com

1st-option.com

1st-option.net

option-1st.vm.bytemark.co.uk

1st-option.com

1st-option.net

1st-option.com is a parent of mail.1st-option.com.

1st-option.com points to a single IP address: 62.233.99.31.

At least part of the name servers for 1st-option.com are shared with other domains, for instance skiphiresouthampton.co.uk, 4com-support.co.uk, 3.121.62.in-addr.arpa, 23.60.195.in-addr.arpa and kolorcraft-digital.com.

Host names with two IP numbers:

ns2.dns.as8607.com points to: 2600:9000:5300:fe00::1 and 205.251.192.254

ns1.dns.as8607.net points to: 2600:9000:5303:2400::1 and 205.251.195.36

ns3.dns.as8607.org points to: 2600:9000:5304:dc00::1 and 205.251.196.220

ns4.dns.as8607.co.uk points to: 2600:9000:5306:d300::1 and 205.251.198.211

1stoption-com0i.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, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.0.

dbq