splunk.com

Summary

Registrar

MarkMonitor Inc.

Status

clientDeleteProhibited

Created on

December 7, 2001

Expires on

December 7, 2026

Name servers

ha1.markmonitor.zone, ha3.markmonitor.zone, ha4.markmonitor.zone, ha2.markmonitor.zone

Mail servers

alln-mx-01.cisco.com, rcdn-mx-01.cisco.com, aer-mx-01.cisco.com

DMARC

Reject

SPF

Soft

DKIM

3 keys found

Website

See the website

Spoofing protection (DMARC)

DMARC tells mail servers what to do with an e-mail that claims to come from splunk.com but fails SPF and DKIM checks.

Policy

Reject

Subdomain policy

Reject

Messages covered

100%

DKIM alignment

Relaxed

SPF alignment

Relaxed

Aggregate reports

[email protected]

Failure reports

—

Record

v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]

Authorized senders (SPF)

SPF lists the servers allowed to send e-mails for splunk.com.

v=spf1 ip4:104.143.85.100 ip4:104.193.137.209 ip4:104.193.137.4 ip4:104.193.137.41 ip4:192.41.71.17 ip4:199.119.121.165 ip4:204.107.141.23 ip4:204.107.141.240 ip4:216.24.147.140 ip4:68.232.128.201 ip4:68.232.147.33 ip4:68.232.149.37 ip4:97.107.118.214 ip4:50.57.196.251 ip4:162.242.190.82 ip4:72.3.137.171 ip4:92.52.102.162 ip4:63.236.27.141 ip4:67.202.198.229 ip4:63.241.4.85 ip4:67.202.198.237 ip4:5.61.117.0/24 ip4:174.143.181.180 include:sendgrid.net include:mktomail.com include:_spf.salesforce.com include:amazonses.com include:us.khoros-mail.com include:eu.khoros-mail.com include:_spf.qualtrics.com include:_netblocks.xactlycorp.com ~all

E-mail signing (DKIM)

DKIM keys published by splunk.com under the most common selectors. Other keys may exist under selectors specific to each sending service.

RSA keys shorter than 2048 bits, called short keys, are discouraged: they are easier to break.

MX, SPF, DKIM and DMARC: the e-mail records

Four DNS records make a domain's e-mail work. MX says where e-mails sent to splunk.com arrive; SPF, DKIM and DMARC let mail servers check that an e-mail claiming to come from splunk.com was really sent by this domain, which protects it against spoofing.

splunk.com  MX  10 mx1.splunk.com.
splunk.com  MX  20 mx2.splunk.com.

splunk.com  TXT  "v=spf1 mx include:_spf.google.com ip4:192.0.2.10 -all"

google._domainkey.splunk.com  TXT  "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA…"

_dmarc.splunk.com  TXT  "v=DMARC1; p=quarantine; rua=mailto:[email protected]; adkim=r; aspf=r"

DNS records of splunk.com

Related IP addresses

IPv4 addresses used by splunk.com: website, name servers, mail servers and senders authorized by SPF.

WHOIS of the domain splunk.com

Domain Name: SPLUNK.COM
   Registry Domain ID: 80883651_DOMAIN_COM-VRSN
   Registrar WHOIS Server: whois.markmonitor.com
   Registrar URL: http://www.markmonitor.com
   Updated Date: 2025-10-03T18:01:59Z
   Creation Date: 2001-12-07T22:55:51Z
   Registry Expiry Date: 2026-12-07T22:55:51Z
   Registrar: MarkMonitor Inc.
   Registrar IANA ID: 292
   Registrar Abuse Contact Email: [email protected]
   Registrar Abuse Contact Phone: +1.2086851750
   Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
   Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
   Name Server: HA1.MARKMONITOR.ZONE
   Name Server: HA2.MARKMONITOR.ZONE
   Name Server: HA3.MARKMONITOR.ZONE
   Name Server: HA4.MARKMONITOR.ZONE
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2026-10-02T22:55:58Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

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