Microsoft

Results for outlook.com

TLD+1 (Organisation Level)
SPF MX
DMARC
BIMI MTA-STS
DNSSEC
Nameservers Tech Partners
6 Microsoft M365 dmarc.microsoft
(p=none)

Microsoft Office 365 provides collaberation tools to organisations.
Visit Microsoft website

Umbrella Rank: 178

DNSTwister | Comments | SPF Guru

SPF record for outlook.com
SPF Lookups = 6

"v=spf1 include:spf-a.outlook.com include:spf-b.outlook.com ip4:157.55.9.128/25 include:spf.protection.outlook.com include:spf-a.hotmail.com include:_spf-ssg-b.microsoft.com include:_spf-ssg-c.microsoft.com ~all"

✔️ SPF Record appears to be valid, within the limit of 10 [RFC7208] - currently at 6

1
include:spf-a.outlook.com
Lookup
2
include:spf-b.outlook.com
Lookup
3
include:spf.protection.outlook.com
Lookup
4
include:spf-a.hotmail.com
Lookup
5
include:_spf-ssg-b.microsoft.com
Lookup
6
include:_spf-ssg-c.microsoft.com
Lookup


DMARC record for outlook.com


Vendor(s): dmarc.microsoft
Policy: none (100%)

🔍You're monitoring all e-mail sent from your domain - Keep at it and your domain will be protected soon!

WARNING: Anyone on the internet can currently spoof the 'HEADER FROM' address to impersonate: @outlook.com and pass SPF and DKIM using another domain. Unfortunately SPF and DKIM checks are not performed against the 'HEADER FROM' address that a user sees in their inbox.


Aggregate Recipients (1):
1Unknown (mailto:[email protected])

Forensic Recipients (1):
mailto:[email protected]

Failure Reporting Options(Recommended fo=1):
Generate a DMARC failure report if any underlying authentication mechanism (SPF or DKIM) produced something other than an aligned “pass” result. (fo=1)

"v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:[email protected];
ruf=mailto:[email protected]; fo=1"

BIMI record for outlook.com

outlook.com currently has no default BIMI record

Read all about BIMI


MX record for outlook.com

VendorPreferenceMX Record

Microsoft M365
5outlook-com.olc.protection.outlook.com.


MTA-STS record for outlook.com

MTA-STS Present?✔️
MTA-STS URLhttps://mta-sts.outlook.com/.well-known/mta-sts.txt
MTA-STS Policy
enforce
MTA-STS Domains
*.olc.protection.outlook.com
MTA-STS Max Age
604800
SMTP TLS Reporting RUA
https://tlsrpt.azurewebsites.net/report
SMTP TLS Reporting
"v=TLSRPTv1;rua=https://tlsrpt.azurewebsites.net/report"
MTA-STS DNS Record
"v=STSv1; id=20190225000000Z;"


Name servers for outlook.com

ns4-05.azure-dns.info.
ns2-05.azure-dns.net.
ns1-05.azure-dns.com.
ns3-05.azure-dns.org.


Technology Partners for outlook.com


Google
Alphabet Inc. is an American multinational technology conglomerate holding company headquartered in Mountain View, California. It was created through a restructuring of Google on October 2, 2015, and became the parent company of Google and several former Google subsidiaries. Lookup
"google-site-verification=0iLWhIMhXEkeWwWfFU4ursTn-_OvoOjaA0Lr7Pg1sEM"
Matched 1 vendors, out of 246 in lookup library.

Force refresh on outlook.com


your ip: 216.73.216.170


Public Suffix List version: 2025-06-02_07-53-42_UTC