Results for heroku.com

TLD+1 (Organisation Level)
SPF MX
DMARC
BIMI MTA-STS
DNSSEC
Nameservers Tech Partners
12 Proofpoint Agari
(p=reject)


Umbrella Rank: 129,857

DNSTwister | Comments | SPF Guru

SPF record for heroku.com
SPF Lookups = 12

"v=spf1 ip4:167.89.4.18 include:_spf.google.com include:mailgun.org include:aspmx.pardot.com exists:%{i}._spf.corp.salesforce.com ~all"

❌ SPF Record currently exceeds the SPF limit of 10 [RFC7208] by 2 : currently at 12 : This SPF record is invalid and this domain will have issues sending legitimate e-mails.

1
include:_spf.google.com
Lookup
2
include:_netblocks.google.com
Lookup
3
include:_netblocks2.google.com
Lookup
4
include:_netblocks3.google.com
Lookup
5
include:mailgun.org
Lookup
6
include:_spf.mailgun.org
Lookup
7
include:_spf1.mailgun.org
Lookup
8
include:_spf2.mailgun.org
Lookup
9
include:_spf.eu.mailgun.org
Lookup
10
include:aspmx.pardot.com
Lookup
11
include:et._spf.pardot.com
Lookup
12
exists:%{i}._spf.corp.salesforce.com


DMARC record for heroku.com


Vendor(s): Agari
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):
1Agari (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; fo=1; ri=3600; ruf=mailto:[email protected];
rua=mailto:[email protected]"

BIMI record for heroku.com

heroku.com currently has no default BIMI record

Read all about BIMI


MX record for heroku.com

VendorPreferenceMX Record

Proofpoint
10mxb-00177002.gslb.pphosted.com.

Proofpoint
10mxa-00177002.gslb.pphosted.com.


MTA-STS record for heroku.com

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



Name servers for heroku.com

dns4.p01.nsone.net.
ns02.herokudns.net.
ns01.herokudns.net.
dns2.p01.nsone.net.
ns04.herokudns.net.
ns03.herokudns.net.
dns1.p01.nsone.net.
dns3.p01.nsone.net.


Technology Partners for heroku.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=0lwG2NjL9452N97Edm9qR-fw8FyHVWarr4WKwWKIoSA"
Matched 1 vendors, out of 246 in lookup library.

Force refresh on heroku.com


your ip: 216.73.216.170


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