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mail.bis.doc.gov checked at 2025-12-13T08:53:18.926Z 1711ms 86/86/86 100% R:10 allDone:true timedOut:false

mail.bis.doc.gov

NSns1-03.azuregov-dns.us
A2001:489a:4000::3🇺🇸 AS8070
PTRns1-03.azuregov-dns.us
A195.134.224.3🇫🇮 AS8070
PTRns1-03.azuregov-dns.us
NSns2-03.azuregov-dns.us
A2001:489a:4002::3🇺🇸 AS8070
PTRns2-03.azuregov-dns.us
A195.134.226.3🇫🇮 AS8070
PTRns2-03.azuregov-dns.us
NSns3-03.azuregov-dns.us
A2001:489a:4004::3🇺🇸 AS8070
PTRns3-03.azuregov-dns.us
A204.13.120.3🇺🇸 AS8070
PTRns3-03.azuregov-dns.us
NSns4-03.azuregov-dns.us
A2001:489a:4006::3🇺🇸 AS8070
PTRns4-03.azuregov-dns.us
A204.13.122.3🇺🇸 AS8070
PTRns4-03.azuregov-dns.us
MXsmtp1a.mail.bis.doc.gov
A20.158.40.81🇺🇸 AS8070
MXsmtp1b.mail.bis.doc.gov
A20.158.40.82🇺🇸 AS8070

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AI analysis

mail.bis.doc.gov is a parent of smtp1b.mail.bis.doc.gov and smtp1a.mail.bis.doc.gov.

mail.bis.doc.gov's delegation is handled by four name servers: ns1-03.azuregov-dns.us, ns2-03.azuregov-dns.us, ns3-03.azuregov-dns.us and ns4-03.azuregov-dns.us.

mail.bis.doc.gov partially shares name servers with other domains; examples include jandjmaintenance.com, co.galveston.tx.us, msedge.azure.us, muscogeecourts.com and deltasands.com.

Host names with two IPs:

ns1-03.azuregov-dns.us points to 2001:489a:4000::3 and 195.134.224.3

ns2-03.azuregov-dns.us points to 2001:489a:4002::3 and 195.134.226.3

ns3-03.azuregov-dns.us points to 2001:489a:4004::3 and 204.13.120.3

ns4-03.azuregov-dns.us points to 2001:489a:4006::3 and 204.13.122.3

mail.bis.doc.gov is handled by two mail servers: smtp1a.mail.bis.doc.gov and smtp1b.mail.bis.doc.gov.

Host names with one IP number: The host name smtp1a.mail.bis.doc.gov points to 20.158.40.81 and the host name smtp1b.mail.bis.doc.gov points to 20.158.40.82.