Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cctulsa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 22:52:34 UTC · ↺ Refresh
MX Hostnames
- cctulsa-com.mail.protection.outlook.com
MX Priorities
- cctulsa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.255.85.97 (no PTR)
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.deltagroup.com domain\@deltagroup.com 2020072900 7200 3600 604800 3600
Primary NS (mname)
ns1.deltagroup.com
Admin Email (rname)
domain\@deltagroup@com
Serial
2020072900
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.deltagroup.com
ns2.deltagroup.com
SPF Record
✓ Strict (-all)
v=spf1 include:_hosting_spf.deltagroup.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s; sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- MS=ms94615122
- SPFv=spf1 include:_hosting_spf.deltagroup.com include:spf.protection.outlook.com -all
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