Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preref.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 14:38:34 UTC · ↺ Refresh
MX Hostnames
- preref-com.mail.protection.outlook.com
MX Priorities
- preref-com.mail.protection.outlook.com: 10
A / AAAA Records
- 198.49.23.145 (no PTR)
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 32 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
32
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c1.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net include:spf-us.emailsignatures365.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms90933535
- rippling-domain-verification=dfc1f1f3006d382c
- MS=8389F1D9078FED1259F93DC47563A2D1A376348E
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net include:spf-us.emailsignatures365.com ~all
Full email verification for preref.com
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