securityfirstcu.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 06:04:40 UTC · ↺ Refresh

MX Hostnames

  • securityfirstcu-com.mail.protection.outlook.com

MX Priorities

  • securityfirstcu-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 184.168.31.35 ↩ 35.31.168.184.host.secureserver.net

Mail Server IPs

  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA bella.ns.cloudflare.com dns.cloudflare.com 2398825866 10000 2400 604800 1800
Primary NS (mname)
bella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398825866
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

bella.ns.cloudflare.com
bjorn.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:216.137.67.74 ip4:12.133.219.206 ip4:12.133.219.194 ip4:206.80.14.230 ip4:12.133.219.130 ip4:149.72.47.228 ip4:12.133.219.66 ip4:208.235.248.20 ip4:166.73.14.63 include:cashedge.com include:spf.protection.outlook.com include:sendgrid.net include:spf.zohomail360.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
  • 6frl05inkkkd5rmotgv9sa9vis
  • MS=EA3BFEDCC1DD390C5315BCEA183480F9CDF0B09F
  • MS=ms97197733
  • SFMC-6iTN7amZblgUmRXxbsGOE_WwcEUdcjMuwSLyoZCx
  • SFMC-yI3YNH-oj6fK5h-RLncGEJ5LKSYBO7DKoNnpPS3k
  • apple-domain-verification=pXiKjpXyaHUbhbHn
  • SPFv=spf1 mx ip4:216.137.67.74 ip4:12.133.219.206 ip4:12.133.219.194 ip4:206.80.14.230 ip4:12.133.219.130 ip4:149.72.47.228 ip4:12.133.219.66 ip4:208.235.248.20 ip4:166.73.14.63 include:cashedge.com include:spf.protection.outlook.com include:sendgrid.net include:spf.zohomail360.com -all
  • 3bmv5bhjqkca17c5e05480g15l
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