gcfb.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
gcfb.org
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-21 11:50:40 UTC ยท โ†บ Refresh

MX Hostnames

  • gcfb.org.2.0001.arsmtp.com
  • gcfb.org.1.0001.arsmtp.com

MX Priorities

  • gcfb.org.1.0001.arsmtp.com: 10
  • gcfb.org.2.0001.arsmtp.com: 20

A / AAAA Records

  • 52.167.49.153 (no PTR)

Mail Server IPs

  • 8.31.233.242 โ†ฉ server2014.appriver.com
  • 8.19.118.219 โ†ฉ server2015.appriver.com

SOA Record

Raw SOA ns1.dnsimple.com admin.dnsimple.com 1588165635 86400 7200 604800 300
Primary NS (mname)
ns1.dnsimple.com
Admin Email (rname)
admin@dnsimple.com
Serial
1588165635
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple.com
ns1.dnsimple.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:outboundmail.convio.net include:outboundmail.blackbaud.net include:us._netblocks.mimecast.com include:amazonses.com ~all
๐Ÿ“Š DNS lookups: 5/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • SPFv=spf1 include:spf.protection.outlook.com include:outboundmail.convio.net include:outboundmail.blackbaud.net include:us._netblocks.mimecast.com include:amazonses.com ~all
  • 0ed1fe018ae371147dcd5541c8a0c118cb0187e6cd
  • _avohk6rj011jlfrvu50vba0aade1z12
  • google-site-verification=mMfkzIK2pi4rFsUq-ycyIqZkNwRG_puO2RMu5EolDns
  • v679kk3uel4o85oirr6teoouca
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