MXLIST.NET - jeffco.us
Search for IP or hostnames:
jeffco.us checked at 2025-11-10T03:00:45.168Z 416ms 92/92/92 100% R:28 allDone:true timedOut:false 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 | 205.220.178.142🇺🇸 Proofpoint | ||||||
| PTR | mx0b-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 #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
AI analysis
The parent of dns2.jeffco.us, propertysearch.jeffco.us, ats.jeffco.us, dns1.jeffco.us and gisportal.jeffco.us is jeffco.us.
jeffco.us points to a single IP: 159.60.135.5.
Other host names such as ats.jeffco.us, gisportal.jeffco.us, co.jefferson.co.us and propertysearch.jeffco.us share IP numbers with jeffco.us.
jeffco.us is delegated to four name servers: ns1.f5clouddns.com, ns2.f5clouddns.com, dns1.jeffco.us and dns2.jeffco.us.
jeffco.us at least partially shares its name servers with other domains, for instance sherwin-williams.com.au, movimientoazteca.com, inversionesaguasmetropolitanas.cl, bedarmor.com and seatlan.com.
These name servers are commonly used together 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.
Two mail servers mxa-0010c902.gslb.pphosted.com and mxb-0010c902.gslb.pphosted.com handle jeffco.us.
jeffco.us shares the same mail server setup as other domains, such as votejeffco.com and co.jefferson.co.us.
Host names with a single IP:
mxa-0010c902.gslb.pphosted.com resolves to 205.220.178.142.
mxb-0010c902.gslb.pphosted.com resolves to 205.220.166.142.