Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dentrustocs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 22:56:37 UTC · ↺ Refresh
MX Hostnames
- dentrustocs-com.mail.protection.outlook.com
MX Priorities
- dentrustocs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.166 ↩ 217-160-0-166.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1098.ui-dns.com hostmaster.1and1.com 2016110445 28800 7200 604800 300
Primary NS (mname)
ns1098.ui-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2016110445
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1098.ui-dns.de
ns1098.ui-dns.biz
ns1098.ui-dns.com
ns1098.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- smartsheet-site-validation=w49BUhW4O_HQaJ3w8LIrbnkk7bdYvGzE
- SPFv=spf1 include:spf.protection.outlook.com ~all
- TRNnmkLXQp4LGWkb5E46awPCI42kYBSJiPssYy8ubv49KZJ6nWCA75jE2Y9DbJYrnucApRQDsEhkmD+J3PEvHw==
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