DNS Report: outlook.office.com

Generated: 2026-08-08T17:31:52-05:00

63/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
OKIPv6 (AAAA)10/104 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/203 MX record(s).
ERRORSPF0/25SPF policy not found.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55155 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 417
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
52.96.239.178
52.96.201.114
52.96.191.2
52.96.226.146
AAAA
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
2603:1036:304:30af::2
2603:1036:304:2858::2
2603:1036:304:81c::2
2603:1036:304:2851::2
CNAME
outlook.cloud.microsoft.
MX
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
atm.outlook.mira.tm.svc.cloud.microsoft.
TXT
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
NS
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
SOA
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
atm.outlook.mira.tm.svc.cloud.microsoft.
CAA
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
DS
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
DNSKEY
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
RRSIG
CNAME 13 3 60 20260809233113 20260807213113 7976 office.com. yYfNbehwlD7oogqR2owTF9+J0Nt6nvdUfJyMbXOblPWEPWLwWfo38Ib5 WY5SAr47z0KI00x/yVwM/KIxqDx5Hw==
NSEC
NSEC3
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
atm.outlook.mira.tm.svc.cloud.microsoft.
SRV
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
NAPTR
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.
TLSA
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
atm.outlook.mira.tm.svc.cloud.microsoft.
SSHFP
outlook.cloud.microsoft.
acdcatm.outlook.mira.tm.svc.cloud.microsoft.
outlook.ms-acdc.office.com.
MDW-efz.ms-acdc.office.com.