Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
checkmarx.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 12:42:50 UTC · ↺ Refresh
MX Hostnames
- checkmarx-com.mail.protection.outlook.com
MX Priorities
- checkmarx-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
dns4.bigrock.com ranf.checkmarx.com 2026032201 7200 7200 2419200 38400
Primary NS (mname)
dns4.bigrock.com
Admin Email (rname)
ranf@checkmarx.com
Serial
2026032201
Refresh
7200s
Retry
7200s
Expire
2419200s
Minimum TTL
38400s
Nameservers (NS)
dns1.bigrock.com
dns4.bigrock.com
dns3.bigrock.com
dns2.bigrock.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org include:sendgrid.net include:_spf.salesforce.com include:amazonses.com include:146169.spf06.hubspotemail.net include:spf.eu.exclaimer.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- google-site-verification=F5_bTdjvJ9iEInTemUyKtFuEwItdETffnQu0bxyt2ko
- google-site-verification=QpPLhjzR2uHh-639m__JRNsHmDc67feZoQrLQmaOZLU
- o1thtu8hd9dvm1m0is8o36lqg8
- jamf-site-verification=4_5CDWmB8lj8jxhtPmRf4w
- amazonses:EVZgC4HwLAr2w0/sMZWEFgheLrTT09dgRoJdTPGmNLI=
- amazonses:lqyMnoA0VL0fnHiivXRrarcGODAf1cVnR/auYLHcxYY=
- ciscocidomainverification=49bbffc649c8677a394104a272cb18c00eab922bf289fb1f070399de60b28c10
- docusign=42adf495-ef93-4f2f-8cc9-fed2e8b1b55b
- 1password-site-verification=SDL5F44IJVDQ5MIRNV4MW3SGNQ
- atlassian-domain-verification=4zdxHKq5sOWhLhtjWKJ2nlkhEsLBlh8Ta+Gld/nehGg5sX5w5o17e+d3NR+xVv8Z
- cursor-domain-verification-p6e9k2=1gH3HMtiwJqOg8YRK7faibg5G
- logmein-verification-code=eNTtN8P0v8IhwxSpOwOLJvRBm
- google-site-verification=wPO0Vk8rfSkmq4LI7MOgx4CnRnVZQvvhs6aXmi7dsdY
- openai-domain-verification=dv-WIIXBckL8IcrG87t3W1fNuHE
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org include:sendgrid.net include:_spf.salesforce.com include:amazonses.com include:146169.spf06.hubspotemail.net include:spf.eu.exclaimer.net -all
- anthropic-domain-verification-edje63=hEH9tbBjxl7z2GWvM3pYHbK1J
- k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O
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