romeoville.org

Valid Email Server
Domain Lookup › romeoville.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
romeoville.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 06:40:56 UTC · ↺ Refresh

MX Hostnames

  • Romeoville-org.mail.protection.outlook.com

MX Priorities

  • romeoville-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 208.90.188.171 (no PTR)

Mail Server IPs

  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA mmhm.comcastbusiness.net hostmaster.romeoville.org 2023070301 28800 7200 604800 7200
Primary NS (mname)
mmhm.comcastbusiness.net
Admin Email (rname)
hostmaster@romeoville.org
Serial
2023070301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns2.comcastbusiness.net
ns3.comcastbusiness.net
ns4.comcastbusiness.net
ns5.comcastbusiness.net
ns1.comcastbusiness.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • C567-1FE3-108A-5C1F-5EB9-B0BE-A4E1-0878
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • facebook-domain-verification=nwf1p147ltwano67u8m1rh7bx8hmxv
  • google-site-verification=2NIuVuWefHaoW5g1uwwWxmg2dCBohR4NTiQ1o77Aqls
  • gxtMA0Zps49DlsLr83YDO+c0MCQOTs8poueuI2qLCvKwyhvumRDJS7C1ZST8LbWha7GMnnqyF0dhCP9tbm7nug==
  • MS=ms82269170
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