Domain Intelligence Report

heroku.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

6
DNS record types
82d
SSL cert remaining
12
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for heroku.com.

A 1 record
  • 192.0.66.110
AAAA 1 record
  • 2a04:fa87:fffd::c000:426e
MX 2 records
  • 10 mxb-00177002.gslb.pphosted.com.
  • 10 mxa-00177002.gslb.pphosted.com.
TXT 5 records
  • "google-site-verification=uk9Ibe3zvPE8drXYiXzryAr19xY3fdyBeEkBp5fkiZY"
  • "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"
  • "36fded18-0a5e-4a1f-b182-d2e4cfb54606"
  • "google-site-verification=0lwG2NjL9452N97Edm9qR-fw8FyHVWarr4WKwWKIoSA"
  • "google-site-verification=8HRJpo1MsC3G8GZpZiEWM5yXbzFB8NKa38O6ZjuTc-w"
NS 8 records
  • dns4.p01.nsone.net.
  • ns01.herokudns.net.
  • ns02.herokudns.net.
  • ns03.herokudns.net.
  • ns04.herokudns.net.
  • dns1.p01.nsone.net.
  • dns2.p01.nsone.net.
  • dns3.p01.nsone.net.
SOA 1 record
  • dns1.p04.nsone.net. hostmaster.nsone.net. 1661184191 3600 600 604800 450
Registration

WHOIS / RDAP

Registration data for heroku.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
MarkMonitor Inc.
Created
2007-06-15T01:45:57Z
Updated
2026-03-30T23:00:47Z
Expires
2027-06-15T01:45:57Z
Handle
1028960326_DOMAIN_COM-VRSN
Nameservers
DNS1.P01.NSONE.NETDNS2.P01.NSONE.NETDNS3.P01.NSONE.NETDNS4.P01.NSONE.NETNS01.HEROKUDNS.NETNS02.HEROKUDNS.NETNS03.HEROKUDNS.NETNS04.HEROKUDNS.NET
Status
client delete prohibitedclient transfer prohibitedclient update prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against heroku.com. No third-party scanner.

ssl 82 days remaining
Issuer
CN=E7,O=Let's Encrypt,C=US
Subject
CN=heroku.com
Valid from
2026-05-06T07:59:34+00:00
Valid to
2026-08-04T07:59:33+00:00
Serial
520880897575509976276391633145608516183912
SANs (2)
heroku.comwww.heroku.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 502 · certspotter ReadTimeout: · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 12 found
crt.sh status 502 certspotter ReadTimeout: hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +12 (wordlist 54)
  • api.heroku.com
  • assets.heroku.com
  • beta.heroku.com
  • blog.heroku.com
  • docs.heroku.com
  • email.heroku.com
  • help.heroku.com
  • m.heroku.com
  • mobile.heroku.com
  • status.heroku.com
  • support.heroku.com
  • www.heroku.com
Email

Email Security Posture

SPF and DMARC presence and records for heroku.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • 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
DMARC present
  • v=DMARC1;p=reject;fo=1:d:s;pct=100;rua=mailto:dmarc_agg@vali.email,mailto:0e5a5c34@inbox.ondmarc.com;ruf=mailto:0e5a5c34@inbox.ondmarc.com
DKIM selector required

DKIM requires selector; not auto-discoverable

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