Results for spf-b.hotmail.com

Subdomain : Lookup hotmail.com
SPF MX
DMARC*
BIMI MTA-STS
DNSSEC
Nameservers Tech Partners
0 dmarc.microsoft
(p=none)


Umbrella Rank: > 1,000,000

DNSTwister | Comments | SPF Guru

SPF record for spf-b.hotmail.com
SPF Lookups = 0

"v=spf1 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip4:40.92.0.0/16 ip4:104.47.20.0/23 ip4:104.47.108.0/23 ip4:104.47.75.0/24 ip4:104.47.53.50/24 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f" "403:f000::/52 -all"

✔️ SPF Record appears to be valid, within the limit of 10 [RFC7208] - currently at 0



DMARC record for spf-b.hotmail.com


Inherited from: hotmail.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: @spf-b.hotmail.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):


"v=DMARC1; p=none; rua=mailto:[email protected];ruf=mailto:[email protected];fo=1:s:d"

BIMI record for spf-b.hotmail.com

spf-b.hotmail.com currently has no default BIMI record

Read all about BIMI


MX record for spf-b.hotmail.com

VendorPreferenceMX Record
NoneN/ANone


MTA-STS record for spf-b.hotmail.com

spf-b.hotmail.com currently has no MTA-STS or TLS-RPT records



Force refresh on spf-b.hotmail.com


your ip: 216.73.216.170


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