Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
damasholdings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:14:07 UTC · ↺ Refresh
MX Hostnames
- damasholdings-com.mail.protection.outlook.com
MX Priorities
- damasholdings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 72.1.32.168 ↩ url1p.tierra.net
- 34.224.160.149 ↩ ec2-34-224-160-149.compute-1.amazonaws.com
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.tierra.net hostmaster.tierra.net 2025061103 7200 1800 604800 28800
Primary NS (mname)
ns1.tierra.net
Admin Email (rname)
hostmaster@tierra.net
Serial
2025061103
Refresh
7200s
Retry
1800s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns1.tierra.net
ns2.tierra.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- 0ed1fe018af57624a645d94ff7be121b984aee570e
- MS=ms77235934
- SPFv=spf1 include:spf.protection.outlook.com -all
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