johnswaterproofing.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
johnswaterproofing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 20:08:47 UTC · ↺ Refresh

MX Hostnames

  • johnswaterproofing-com.mail.protection.outlook.com

MX Priorities

  • johnswaterproofing-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.25.181.117 (no PTR)
  • 104.25.182.117 (no PTR)
  • 2606:4700:20::6819:b575
  • 2606:4700:20::6819:b675

Mail Server IPs

  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA graham.ns.cloudflare.com dns.cloudflare.com 2399730251 10000 2400 604800 1800
Primary NS (mname)
graham.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399730251
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

graham.ns.cloudflare.com
zara.ns.cloudflare.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; sp=quarantine; pct=100; ri=3600
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

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

3 records
  • facebook-domain-verification=y72yoyi8kw1zle6i21dp68grr1v12c
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms74821052
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