Results for _spfextra.slack.com

Subdomain : Lookup slack.com
SPF MX
DMARC
 		BIMI MTA-STS
DNSSEC
 Nameservers Tech Partners
0 ❌ ❌ ❌ ❌ ✅
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2025-07-04 15:04:43 (via https://www.mckellar.co/?domain=_spfextra.slack.com)

Umbrella Rank: > 1,000,000

DNSTwister | Comments | SPF Guru

SPF record for _spfextra.slack.com
SPF Lookups = 0

"v=spf1 ip4:54.240.37.230/31 ip4:76.223.142.180/28 ip4:76.223.142.192/31 ip4:23.249.223.5/31 ip4:76.223.146.27/32 ip4:76.223.146.28/30 ip4:76.223.146.32/28 ip4:69.169.237.192/31 ip4:69.169.237.184/29 ip4:69.169.237.180/30 ip4:69.169.237.179 -all"

✔️ SPF Record appears to be valid, within the limit of 10 [RFC7208] - currently at 0
2025-07-04 15:04:43 (via https://www.mckellar.co/?domain=_spfextra.slack.com) Top
58 IPv4 Addresses
0 IPv6 Addresses
11 subnets (and IP)


DMARC record for _spfextra.slack.com

NOTE: DMARC is hierarchical - while _spfextra.slack.com doesnt have a DMARC record; slack.com might - lookup here
2025-07-04 15:04:43 (via https://www.mckellar.co/?domain=_spfextra.slack.com) Top

BIMI record for _spfextra.slack.com

_spfextra.slack.com currently has no default BIMI record

Read all about BIMI
2025-07-04 15:04:43 (via https://www.mckellar.co/?domain=_spfextra.slack.com) Top


MX record for _spfextra.slack.com

VendorPreferenceMX Record
NoneN/ANone
2025-07-04 15:04:43 (via https://www.mckellar.co/?domain=_spfextra.slack.com) Top


MTA-STS record for _spfextra.slack.com

_spfextra.slack.com currently has no MTA-STS or TLS-RPT records

2025-07-04 15:04:43 (via https://www.mckellar.co/?domain=_spfextra.slack.com) Top


Force refresh on _spfextra.slack.com


your ip: 216.73.216.170


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