Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gerdingcompanies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:36:10 UTC · ↺ Refresh
MX Hostnames
- gerdingcompanies-com.mail.protection.outlook.com
MX Priorities
- gerdingcompanies-com.mail.protection.outlook.com: 0
A / AAAA Records
- 173.236.158.73 ↩ dp-2fe0d28830.dreamhostps.com
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2026030203 21517 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026030203
Refresh
21517s
Retry
600s
Expire
1814400s
Minimum TTL
60s
Nameservers (NS)
ns3.dreamhost.com
ns2.dreamhost.com
ns1.dreamhost.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- anthropic-domain-verification-ayzd4m=OO7SZ01dEtTs3qm9QhGokXKZV
- google-site-verification=ZHqtZiZ_JNGrUcGqcWXLFqafmRfsylP10SxiqZm_UXA
- SPFv=spf1 include:spf.protection.outlook.com -all
- adobe-idp-site-verification=1fdd9f1d79a1d478012b9b1d15b8a0a0ccc2cd33659b21501ae0262c3826e246
- Z2VyZGluZw==
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