IPLIST.NET - jeffco.us

Search for IP or hostnames:

jeffco.us checked at 2025-10-10T20:10:28.032Z 3708ms 92/92/92 100% R:27

`jeffco.us`

NS	`ns1.f5clouddns.com`
		A	2604:e180:1071::3:1 ^{🇺🇸 Defense.Net}
		A	107.162.234.197^{🇺🇸 Defense.Net}
NS	`ns2.f5clouddns.com`
		A	2604:e180:1071::ffff:6ba2:b0dd ^{🇺🇸 Defense.Net}
		A	107.162.176.221^{🇺🇸 Defense.Net}
NS	`dns1.jeffco.us`
		A	199.184.241.130^{🇺🇸 AS53529}
			PTR	`dns1.co.jefferson.co.us`
NS	`dns2.jeffco.us`
		A	199.184.241.131^{🇺🇸 AS53529}
			PTR	`dns2.co.jefferson.co.us`
MX	`mxa-0010c902.gslb.pphosted.com`
		A	205.220.166.142^{🇺🇸 Proofpoint}
			PTR	`mx0a-0010c902.pphosted.com`
MX	`mxb-0010c902.gslb.pphosted.com`
		A	205.220.166.142^{🇺🇸 Proofpoint}
			PTR	`mx0a-0010c902.pphosted.com`
A	159.60.135.5^{🇺🇸 F5 Inc.}

`us`

	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`

rank #27649 globally
rank #104 in the tld

Up

dns2.jeffco.us

propertysearch.jeffco.us

ats.jeffco.us

dns1.jeffco.us

gisportal.jeffco.us

Starts with same word

jeffco.edu

jeffco.biz

jeffco.k12.co.us

jeffco.co

jeffco.us

jeffco.co.za

jeffco.net

jeffco.org

jeffco.co.uk

jeffco.herokuapp.com

jeffco.com

Starts similarily

jeffco.net

jeffco.org

jeffco.co.uk

jeffco.herokuapp.com

jeffco.com

jeffco.edu

jeffco.biz

jeffco.k12.co.us

jeffco.co

jeffco.us

offjce.com

jeffco.co.za

AI analysis

jeffco.us is parent of dns2.jeffco.us, propertysearch.jeffco.us, ats.jeffco.us, dns1.jeffco.us and gisportal.jeffco.us.

jeffco.us points to a single IP: 159.60.135.5.

Other host names, for example ats.jeffco.us, gisportal.jeffco.us, co.jefferson.co.us and propertysearch.jeffco.us share IP numbers with jeffco.us.

jeffco.us's delegation is handled by four name servers: ns1.f5clouddns.com, ns2.f5clouddns.com, dns1.jeffco.us and dns2.jeffco.us.

jeffco.us partially shares name servers with other domains; examples include sherwin-williams.com.au, movimientoazteca.com, inversionesaguasmetropolitanas.cl, bedarmor.com and seatlan.com.

These name servers are often used with ns3.aztecaservicios.mx, ns4.aztecaservicios.mx, ns1.f5cloudservices.com, ns2.f5cloudservices.com, ns1.fnni.com, ns5.fnni.com, ns1.aztecaservicios.com and ns2.aztecaservicios.com.

Host names with two IP numbers:

ns1.f5clouddns.com points to: 2604:e180:1071::3:1 and 107.162.234.197.

ns2.f5clouddns.com points to: 2604:e180:1071::ffff:6ba2:b0dd and 107.162.176.221.

Host names with one IP number:

dns1.jeffco.us points to: 199.184.241.130.

dns2.jeffco.us points to: 199.184.241.131.

jeffco.us is handled by two mail servers: mxa-0010c902.gslb.pphosted.com and mxb-0010c902.gslb.pphosted.com.

jeffco.us uses the same mail server setup as other domains, for instance votejeffco.com and co.jefferson.co.us.

Host names with one IP number

Host name mxa-0010c902.gslb.pphosted.com points to 205.220.166.142

Host name mxb-0010c902.gslb.pphosted.com points to 205.220.166.142

Host names that point to 205.220.166.142: mxa-0010c902.gslb.pphosted.com and mxb-0010c902.gslb.pphosted.com

dbq