Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
therudderahm.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:57:59 UTC · ↺ Refresh
MX Hostnames
- in2-smtp.messagingengine.com
- in1-smtp.messagingengine.com
MX Priorities
- in1-smtp.messagingengine.com: 10
- in2-smtp.messagingengine.com: 20
A / AAAA Records
- 104.19.153.75
- 104.19.152.75
Mail Server IPs
- 103.168.172.221 ↩ phl-mx-06.messagingengine.com
- 103.168.172.220 ↩ phl-mx-05.messagingengine.com
- 103.168.172.223 ↩ phl-mx-08.messagingengine.com
- 103.168.172.216 ↩ phl-mx-01.messagingengine.com
- 103.168.172.217 ↩ phl-mx-02.messagingengine.com
- 103.168.172.218 ↩ phl-mx-03.messagingengine.com
- 103.168.172.219 ↩ phl-mx-04.messagingengine.com
- 103.168.172.222 ↩ phl-mx-07.messagingengine.com
- 202.12.124.217 ↩ stl-mx-02.messagingengine.com
- 202.12.124.218 ↩ stl-mx-03.messagingengine.com
- 202.12.124.219
- 202.12.124.216
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1773878400 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1773878400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-160-c.gandi.net
ns-28-a.gandi.net
ns-203-b.gandi.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.messagingengine.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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.messagingengine.com ?all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for therudderahm.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits