islinc.com

Valid Email Server
Domain Lookup › islinc.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
islinc.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 21:26:57 UTC · ↺ Refresh

MX Hostnames

  • islinc-com.mail.protection.outlook.com
  • islinc.mail.protection.office365.us
  • d268315a.ess.barracudanetworks.com
  • d268315b.ess.barracudanetworks.com

MX Priorities

No priority data.

A / AAAA Records

  • 74.208.236.251

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns5.worldnic.com
ns6.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

7 records
  • SPFv=spf1 include:spf.protection.office365.us -all
  • MS=ms63914794
  • MS=ms46612460
  • zone-ownership-verification-ca347b69ea9e895e3be4736ddcaf446b05c4e4b6f985bf265a946f753fe358d8
  • google-site-verification=m2HYB9zw5jZNfjC-N-KYbG41qplyG_FIr8gWUrkf8Uo
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]
  • MS=45A2D4E5037501193FFC3330F3E5D42D7A492A39
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