Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
c2csignings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 14:05:16 UTC · ↺ Refresh
MX Hostnames
- c2csignings-com.mail.protection.outlook.com
MX Priorities
- c2csignings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.2.136.99 ↩ o3.mandrill.snapdocs.com
- 159.183.140.15 ↩ o2.sendgrid.snapdocs.com
- 198.2.177.89
- 151.101.130.159
- 149.72.73.60
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
cash.ns.cloudflare.com dns.cloudflare.com 2397827019 10000 2400 604800 1800
Primary NS (mname)
cash.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397827019
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
princess.ns.cloudflare.com
cash.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mandrillapp.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=0; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 include:spf.mandrillapp.com include:spf.protection.outlook.com -all
- MS=ms48432355
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