Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstib.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 14:31:36 UTC · ↺ Refresh
MX Hostnames
- mail.firstib.com
MX Priorities
- mail.firstib.com: 2
A / AAAA Records
- 206.53.239.196 ↩ www.firstib.com
Mail Server IPs
- 209.43.5.56 ↩ mail.firstib.com
SOA Record
Raw SOA
ns49.worldnic.com namehost.worldnic.com 126031107 10800 3600 604800 3600
Primary NS (mname)
ns49.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031107
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns49.worldnic.com
ns50.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.firstib.com include:spf2.firstib.com include:spf3.firstib.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; rf=afrf
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- google-site-verification=vHeKvTCaprORhaKi9w8q1CMteGsoRboNmRBLfSjR61U
- docusign=652a2c68-4ab6-438f-8c9b-c347a9f87b20
- docusign=efeb6a94-1ba2-4dbc-8107-66d13b28707e
- facebook-domain-verification=qnm8w1v16g63z9ik9nc719kojbr75h
- SPFv=spf1 include:spf1.firstib.com include:spf2.firstib.com include:spf3.firstib.com include:spf.protection.outlook.com -all
- adobe-idp-site-verification=cf126062b1938be13262f275e39c02b9f838213f4440798dc032c615d06e441e
- 55n3l50miojm1vbnl83mf2h2mi
- 4ri8fij8cvmnkb5858omvs2dqd
- MS=FF23DE16ACE2952EAB7D55616FFC7AF1347646FE
- google-site-verification=xtwa-szegGKEQS_7pIJesDRlrHCSXSYwj6umd96gPCQ
- hudvpt4cscd7g4jmsipgiqb49l
- /P0jjjSiQ/XrsWqYFGgFDSd1AusYpwd4D4AnAO8s/o9miSZOvk5xqMW/9b6hFg1OJubgMiktCGOwYea3BX5QVQ==
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