Results for spfb._spf.cisco.com

Subdomain : Lookup cisco.com
SPF MX
DMARC*
BIMI MTA-STS
DNSSEC
Nameservers Tech Partners
3 dmarcian
(sp=reject)


Umbrella Rank: > 1,000,000

DNSTwister | Comments | SPF Guru

SPF record for spfb._spf.cisco.com
SPF Lookups = 3

"v=spf1 ip4:64.104.15.96/27 ip4:64.104.3.128/25 ip4:173.36.137.128/26 ip4:64.102.19.192/26 ip4:173.36.136.0/24 ip4:184.94.240.0/20 ip4:68.232.129.181 ip4:68.232.135.80 ip4:208.90.56.0/21 include:spfc._spf.cisco.com ~all"

✔️ SPF Record appears to be valid, within the limit of 10 [RFC7208] - currently at 3

1
include:spfc._spf.cisco.com
Lookup
2mx:res.cisco.com
3a:esa1.cres.iphmx.com.
4a:esa2.cres.iphmx.com.
5a:esa3.cres.iphmx.com.
6a:esa4.cres.iphmx.com.
7mx:sco.cisco.com
8a:jira.sco.cisco.com.


DMARC record for spfb._spf.cisco.com


Inherited from: cisco.com
Subdomain Policy: reject
Vendor(s): dmarcian
Policy: reject (100%)

✔️ Great work, You got there!
Your domain is secured and it is not possible for your domain to be spoofed.

Aggregate Recipients (1):
1dmarcian (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=reject; pct=100; sp=reject; fo=1; ri=3600; rua=mailto:[email protected];
ruf=mailto:[email protected];"

BIMI record for spfb._spf.cisco.com

spfb._spf.cisco.com currently has no default BIMI record

Read all about BIMI


MX record for spfb._spf.cisco.com

VendorPreferenceMX Record
NoneN/ANone


MTA-STS record for spfb._spf.cisco.com

spfb._spf.cisco.com currently has no MTA-STS or TLS-RPT records



Force refresh on spfb._spf.cisco.com


your ip: 216.73.216.170


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