Domain Overview
DNS: ✓ 3h ago
Checker: ✓ 3h ago
schreiblaw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 09:19:23 UTC · ↺ Refresh
MX Hostnames
- schreiblaw-com.mail.protection.outlook.com
MX Priorities
- schreiblaw-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
ns15.worldnic.com namehost.worldnic.com 125061009 10800 3600 604800 3600
Primary NS (mname)
ns15.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125061009
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns16.worldnic.com
ns15.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:173.13.83.233 ip4:72.73.69.178 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
1 record- SPFv=spf1 ip4:173.13.83.233 ip4:72.73.69.178 include:spf.protection.outlook.com -all
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