sff.org

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-03-19 14:39:52 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

  • sff-org.mail.protection.outlook.com: 10

A / AAAA Records

  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.40.0 โ†ฉ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.10.18 โ†ฉ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.194.12 โ†ฉ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: โ†ฉ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 โ†ฉ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 โ†ฉ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: โ†ฉ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns55.worldnic.com namehost.worldnic.com 126012117 10800 3600 604800 3600
Primary NS (mname)
ns55.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012117
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns56.worldnic.com
ns55.worldnic.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:servers.mcsv.net ip4:209.235.25.71 ip4:38.110.145.240/28 ip4:216.46.176.0/20 include:_spf.salesforce.com +include:outboundmail.blackbaud.net include:aspmx.pardot.com -all
๐Ÿ“Š DNS lookups: 6/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
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“ 1 found
k1._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: k1

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

All TXT Records

12 records
  • linkedin-site-verification=02989731-5bbe-4220-a315-29b9ad4d5dac
  • pardot999721=48a03433ae970b8cbe4e72f6ede824a261353cdd996688a14ae7b567737537c5
  • pardot999731=0dc47495d03184d38004d127a1a7ddbae3f68446abac29f91a26138faf20bc2b
  • ZOOM_verify_0ibnAWoORlSfb04TGQudVw
  • MS=ms23022378
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:servers.mcsv.net ip4:209.235.25.71 ip4:38.110.145.240/28 ip4:216.46.176.0/20 include:_spf.salesforce.com +include:outboundmail.blackbaud.net include:aspmx.pardot.com -all
  • psO2taRyNGBhRmcAsS6feNWH9vtbTCBbdJ4rE8MsDGQZhwpoaF2dWA66xdG2Vpe5QLirNO+fYUr+LzODn/QXGw==
  • f64f0s8jjcaclubkvsi4vld939
  • evmp5s2m0fr21dv3mfufhnqoa0
  • ecspfk95nnulhf6ds72iijfd1d
  • IPOM6M11VKMBXDAUZSN3ALXSUY6C2V2G8TL220EAU
  • smartsheet-site-validation=vHOQpEb3VIPHWihohn_XMKjr_m1X0EG7
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