c21realestate.com

Valid Email Server
Domain Lookup › c21realestate.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c21realestate.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 11:37:03 UTC · ↺ Refresh

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MX Hostnames

  • c21realestate-com.mail.protection.outlook.com

MX Priorities

  • c21realestate-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.175.110 (no PTR)
  • 104.21.17.96 (no PTR)
  • 2606:4700:3030::6815:1160
  • 2606:4700:3033::ac43:af6e

Mail Server IPs

  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA ashton.ns.cloudflare.com dns.cloudflare.com 2399012562 10000 2400 604800 1800
Primary NS (mname)
ashton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399012562
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ophelia.ns.cloudflare.com
ashton.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:47.178.3.47 include:_spf.mlsend.com include:spf.mailjet.com include:spf.protection.outlook.com include:_includeSPF.erelocation.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=quarantine; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine

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

8 records
  • atlassian-domain-verification=HiWGEeZfnsELEHxMsMlpVFO5gTEwomK9ofBOy2MyrdUcWt/db5vaeeHHPGvpQRdW
  • facebook-domain-verification=euoymjyju9ygvsdp8i8uvun9fn6ar4
  • google-site-verification=gclSMAcmvYJqYgxgLtLwABpPJMADOT5GC3mEom4dIWI
  • openai-domain-verification=dv-KOV4d2NkeC6uRAMyi4xOp5v2
  • SPFv=spf1 ip4:47.178.3.47 include:_spf.mlsend.com include:spf.mailjet.com include:spf.protection.outlook.com include:_includeSPF.erelocation.net -all
  • v=verifydomain MS=5329426
  • MS=050E6F7962B6F55FF142960DA320DDB4449868A9
  • MS=ms57511991
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