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DNSViz: A DNS visualization tool

outlook-com.olc.protection.outlook.com

DNS Server Status

Delegation Information

NameParent zoneChild zoneAuthoritative IPs
Exists?Glue/additional recordsExists?
ns1-gtm.glbdns.o365filtering.comindeterminate*yesA104.47.40.8
AAAA
ns2-gtm.glbdns.o365filtering.comindeterminate*yesA104.47.2.8
AAAA

* All protection.outlook.com servers are also authoritative for olc.protection.outlook.com

Stealth Servers

(non-delegated servers from ancestor zones answering authoritatively)

NameZoneIP
nse12.o365filtering.com outlook.com104.47.38.8
nse24.o365filtering.com outlook.com104.47.44.8