firstbank-ok.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
firstbank-ok.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 10:20:10 UTC · ↺ Refresh

MX Hostnames

  • firstbank-ok-com.relay1i.spamh.com
  • firstbank-ok-com.relay1g.spamh.com
  • firstbank-ok-com.relay1h.spamh.com
  • firstbankok-com02c.mail.protection.outlook.com

MX Priorities

  • firstbank-ok-com.relay1h.spamh.com: 20
  • firstbankok-com02c.mail.protection.outlook.com: 40
  • firstbank-ok-com.relay1i.spamh.com: 30
  • firstbank-ok-com.relay1g.spamh.com: 10

A / AAAA Records

  • 20.49.97.2

Mail Server IPs

  • 63.71.12.101 ↩ lbn-t.spamh.com
  • 63.71.12.97 ↩ lbl-t.spamh.com
  • 63.71.12.99 ↩ lbm-t.spamh.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1

SOA Record

Raw SOA ns97.worldnic.com namehost.worldnic.com 125082910 10800 3600 604800 3600
Primary NS (mname)
ns97.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125082910
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns98.worldnic.com
ns97.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com include:firstbank-ok-com.spf.smtp25.com include:spf.zixsmbhosted.com include:spf.cashedge.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

6 records
  • fl1ht0wxtkdqm3gq0z7lp2d118njzk0k
  • _q7vi7ch2xeha7x7isyhtghlf40zubja
  • SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com include:firstbank-ok-com.spf.smtp25.com include:spf.zixsmbhosted.com include:spf.cashedge.com -all
  • MS=ms33329729
  • s0whds6lw0dd8rwhbw6hnrf4tjt4g19t
  • v=DKlM1 ; p=MllBljANBgkqhkiG9wOBAQEFAAOCAQ8AMllBCgKCAQEAphnOljxtG9WcVjTB IYPR8PG7/+oW4f3XoY3yHU8ye0BgYQJ/KEjV85nOiGXolaAK6qhtc/eBmahjBNJt 610UqOWepLzg0CUU7cM8bzMnmlfErHA/YlAOH4NPVUvuzsEglsGyOzVOOiqCML ZwVR19neda/SZBdFzhhjifGKKgcFhcmMsNRLwqdCpYJFlMHkUUBSRHTqnaq+zb el-JrTFtmPyl/Sg4CGphTKJcSrH+QzMAw9JM9sNh+9rRrdAU2viTTsknBf+rjMmqFO Tia EJ 17c86vQOyz85(0i73d5phaxUWllJemRMtu 1 uZlnZgJ 1 n5EZClAn3hiyRneyvfQ dxp+GaeQlDAQAB
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