marcfredrickson.com

Valid Email Server
Domain Lookup › marcfredrickson.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 04:21:49 UTC · ↺ Refresh

MX Hostnames

  • mx01.1and1.com
  • mx00.1and1.com

MX Priorities

  • mx00.1and1.com: 10
  • mx01.1and1.com: 10

A / AAAA Records

  • 74.208.236.165 ↩ 74-208-236-165.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::280 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0280.elastic-ssl.ui-r.com

Mail Server IPs

  • 74.208.5.3 ↩ mx00.perfora.net
  • 74.208.5.21 ↩ mx01.perfora.net

SOA Record

Raw SOA ns1109.ui-dns.biz hostmaster.1und1.com 2017022605 28800 7200 604800 600
Primary NS (mname)
ns1109.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017022605
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1114.ui-dns.de
ns1106.ui-dns.com
ns1061.ui-dns.org
ns1109.ui-dns.biz

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

No TXT records found.

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