DNSWHOIS.INFO - thomasjefferson.299.k12.il.us
Search for IP or hostnames:
thomasjefferson.299.k12.il.us checked at 2025-10-20T04:15:14.588Z 330ms 73/73/73 100% R:15thomasjefferson.299.k12.il.us
| NS | auth1.dns.cogentco.com | ||||||
| A | 2001:550:1:a::d 🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d 🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| MX | mx.smtp.herndon.psi.net | ||||||
| MX | mx.smtp.la.psi.net | ||||||
| MX | smtp.thomasjefferson.299.k12.il.us | ||||||
| A | 38.155.70.2🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | smtp.thomasjefferson.299.k12.il.us | ||||||
299.k12.il.us
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smtp.thomasjefferson.299.k12.il.us |
AI analysis
The parent of smtp.thomasjefferson.299.k12.il.us is thomasjefferson.299.k12.il.us.
thomasjefferson.299.k12.il.us is delegated to two name servers: auth1.dns.cogentco.com and auth2.dns.cogentco.com.
thomasjefferson.299.k12.il.us uses the same name server setup as other domains, for instance 144.203.38.in-addr.arpa, 0.79.38.in-addr.arpa, 116.177.216.in-addr.arpa, 14.105.38.in-addr.arpa and 22.124.38.in-addr.arpa.
thomasjefferson.299.k12.il.us shares name servers with other domains at least partially, for instance 200.29.216.in-addr.arpa, browntailboogie.com, 124.248.204.in-addr.arpa, jazzstudiesonline.org and radioeins.de.
these name servers are commonly paired with nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, auth4.dns.cogentco.com, auth5.dns.cogentco.com and ns0.oribus.net.
Host names with two IP numbers:
The host auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.
The host auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.
thomasjefferson.299.k12.il.us is handled by three mail servers: mx.smtp.herndon.psi.net, mx.smtp.la.psi.net and smtp.thomasjefferson.299.k12.il.us.
thomasjefferson.299.k12.il.us shares some mail servers with other domains, including tsd.textron.com, dockers.it, smtp.stpats.pvt.k12.ca.us, smtp.thomasjefferson.299.k12.il.us and holyname.san-francisco.ca.us.
These mail servers are often used together with the mail servers mx.smtp.psi.net, mx.us.psimail.psi.net, smtp.benenson.net, pa.wagner.com, cctds.textron.com, smtp.holyname.san-francisco.ca.us, forward.rollingwoodcapitol.aa.psiweb.com, mail.icanshoponline.com, mail.pdsnet.com and pdsinternet.pdsnet.com.
Host names with one IP number: smtp.thomasjefferson.299.k12.il.us points to 38.155.70.2.