simdif.com

Valid Email Server
Domain Lookup › simdif.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
simdif.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 20:21:23 UTC · ↺ Refresh

MX Hostnames

  • mta01.simdif.com

MX Priorities

  • mta01.simdif.com: 10

A / AAAA Records

  • 172.67.73.149 (no PTR)
  • 104.26.1.59 (no PTR)
  • 104.26.0.59 (no PTR)
  • 2606:4700:20::ac43:4995 (no PTR)
  • 2606:4700:20::681a:3b (no PTR)
  • 2606:4700:20::681a:13b (no PTR)

Mail Server IPs

  • 178.33.66.216 ↩ mta01.simdif.com

SOA Record

Raw SOA augustus.ns.cloudflare.com dns.cloudflare.com 2399035879 10000 2400 604800 1800
Primary NS (mname)
augustus.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399035879
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

augustus.ns.cloudflare.com
linda.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:178.33.66.216 ip4:178.32.190.185 ip4:178.32.190.186 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • google-site-verification=p5ehz-MDS2ZGWXVJOJpVpnKOtksUI-jf91JtUoMTfH4
  • SPFv=spf1 ip4:178.33.66.216 ip4:178.32.190.185 ip4:178.32.190.186 ~all
  • facebook-domain-verification=bbs58f9u0k2ju76dmpi65b5hynk9wp
Full email verification for simdif.com

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