a.manage.microsoft.us - robtex.com
a.manage.microsoft.us
| CNAME | na.fxp.proxyfe.usgovtrafficmanager.net | ||||||
| CNAME | fxpxsucpna02.usgovtexas.cloudapp.usgovcloudapi.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.159.110.3🇺🇸 AS807020.158.0.0/15 Microsoft Federal | ||||||
manage.microsoft.us
| CNAME | na.fxp.proxyfe.usgovtrafficmanager.net | ||||||
| CNAME | fxpxsucpna02.usgovtexas.cloudapp.usgovcloudapi.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.159.110.3🇺🇸 AS807020.158.0.0/15 Microsoft Federal | ||||||
Same first word
DNS History
1 record (1 active, 0 former)
●CNAMEna.fxp.proxyfe.usgovtrafficmanager.net2026-02-20 → 2026-04-24 · 2 obs
● 2026-02-20 12:27:46
● 2026-04-24 01:38:02
● 2026-04-24 01:38:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| microsoft.us | ns4-33.azure-dns.info, ns1-33.azure-dns.com, ns2-33.azure-dns.net, ns3-33.azure-dns.org | - |
✅ Authoritative Response
Server:150.171.16.33
NS records: ns4-33.azure-dns.info, ns1-33.azure-dns.com, ns2-33.azure-dns.net, ns3-33.azure-dns.org
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at microsoft.us: Error: DNS query timeout: 156.154.125.70 for DS microsoft.us
⏱️ Timing
Total: 3264ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | na.fxp.proxyfe.usgovtrafficmanager.net |
Analysis
IP Addresses
a.manage.microsoft.us resolves to one IP number: 20.159.110.3.
Other host names, for example fxpxsucpna02.usgovtexas.cloudapp.usgovcloudapi.net, share IP numbers with a.manage.microsoft.us.