Email DNS records for costperform.com
MX, SPF, DMARC and DKIM records published for costperform.com. Registered via Key-systems Gmbh. Domain age: 19 years.
costperform.com can receive email: 1 MX record found. The MX records point to Microsoft mail servers. Authentication records found: SPF, DMARC, DKIM.
| Check | Result | What it means |
|---|---|---|
| MX | Found (1) | The domain is configured to receive email. |
| Mail provider | Microsoft | Inferred from the MX host names: they point to Microsoft mail servers. |
| SPF | Found | The record ends with ~all: mail from servers not listed should be treated as suspicious but accepted (soft fail). |
| DMARC | p=quarantine | The policy is quarantine: receivers are asked to treat messages that fail DMARC as suspicious, for example by delivering them to spam. Aggregate reports are requested (rua). |
| DKIM | Found (selector1) | A DKIM public key is published under the selector selector1. |
Last checked: 2026-10-04 (UTC). DNS records can change over time. This report lists public DNS records; their presence does not by itself mean that a domain or its messages are safe.
MX records for costperform.com
- 0 costperform-com.mail.protection.outlook.com
Email authentication records for costperform.com
SPF record
v=spf1 ip4:136.144.166.129 ip4:77.72.147.54 ip4:85.10.147.79 ip4:72.52.119.64/26 ip4:65.49.23.0/24 mx a include:spf.protection.outlook.com include:139566762.spf08.hubspotemail.net include:_spf.exactonline.nl include:spf.EU.exclaimer.net ~all
DMARC record
v=DMARC1;p=quarantine;rua=mailto:domains@costperform.com;ruf=mailto:domains@costperform.com
DKIM record (selector1)
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAutQJGb+MeDbk8cFg1lEpzKg5zuxNOW0p3jsO0gQeXv+Oam4Yaep8gNZ5Rp3WTOrin1r+DDpaMf+vukbde+wwN24ymm5j7spC6makWGeg0SpfhWTZ3H17CArK92zSoPgsv75z1dtOsGqA7GTX5rImQUIHewVbuWvqQ4MAw4xgv1f8mALvexY23KknDuPViR7Ix21Q5YvYBSEUHRzuGE59MDVYkBfwHEzfxdoyQuGVfvw37J9WARxCMS0g+w1uPtqdR+S4uxlVpF9bWXUOxZA2e5PG5YUMtXq5gxiiEjXkTPP2tqvol0m00N2I4FuhFSg/Lmt1EegX6WFgsV1jM8PchQIDAQAB;
Check a specific email address @costperform.com
This page checks how costperform.com is configured for email. It does not confirm that a specific mailbox exists — to check one address, use the form below.
Domain registration
Created2007-09-07
Updated2024-09-06
Expires2025-09-07
Server location
IP address136.144.166.129
CountryThe Netherlands
ASN20857
Name servers
NS 1ns1.transip.nl.
NS 2ns0.transip.net.
NS 3ns2.transip.eu.
TXT records for costperform.com
TXT 11password-site-verification=UG7PGDZYUBFUHPYE6UY2VI5PF4
TXT 2openai-domain-verification=dv-SIesUpseLWJB1VfFKL6Xsvfg
TXT 3google-site-verification=nzh7CA0qy283a9OPANMKPS8j7hfCYLcH9N4fuu5twA0
TXT 4anthropic-domain-verification-szdp52=uDESyEwZAHvxlau99rxncdAon
TXT 5v=spf1 ip4:136.144.166.129 ip4:77.72.147.54 ip4:85.10.147.79 ip4:72.52.119.64/26 ip4:65.49.23.0/24 mx a include:spf.protection.outlook.com include:139566762.spf08.hubspotemail.net include:_spf.exactonline.nl include:spf.EU.exclaimer.net ~all
Domain status
Status 1clienttransferprohibited https://icann.org/epp#clienttransferprohibited