Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
delbridgesolutions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:52:03 UTC · ↺ Refresh
MX Hostnames
- delbridgesolutions-com.mail.protection.outlook.com
MX Priorities
- delbridgesolutions-com.mail.protection.outlook.com: 0
A / AAAA Records
- 74.208.236.171 ↩ 74-208-236-171.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::21c ↩ 2607-f1c0-100f-f000-0000-0000-0000-021c.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1078.ui-dns.biz hostmaster.1and1.com 2018022608 28800 7200 604800 300
Primary NS (mname)
ns1078.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2018022608
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1033.ui-dns.org
ns1101.ui-dns.com
ns1078.ui-dns.biz
ns1078.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- MS=ms62052074
- SPFv=spf1 include:spf.protection.outlook.com -all
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