atweber.com

Valid Email Server
Domain Lookup › atweber.com

Domain Overview

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

Checked via [email protected] · 2026-03-28 08:33:53 UTC · ↺ Refresh

MX Hostnames

  • mx00.ionos.com
  • mx01.ionos.com

MX Priorities

  • mx00.ionos.com: 10
  • mx01.ionos.com: 20

A / AAAA Records

  • 18.238.49.99 ↩ server-18-238-49-99.jfk52.r.cloudfront.net
  • 18.238.49.44 ↩ server-18-238-49-44.jfk52.r.cloudfront.net
  • 18.238.49.38 ↩ server-18-238-49-38.jfk52.r.cloudfront.net
  • 18.238.49.41 ↩ server-18-238-49-41.jfk52.r.cloudfront.net

Mail Server IPs

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

SOA Record

Raw SOA ns-840.awsdns-41.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-840.awsdns-41.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-292.awsdns-36.com
ns-840.awsdns-41.net
ns-1193.awsdns-21.org
ns-1770.awsdns-29.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kundenserver.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

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

1 record
  • SPFv=spf1 include:_spf.perfora.net include:_spf-us.ionos.com include:_spf.kundenserver.de ~all
Full email verification for atweber.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits