Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
pfeifer.is
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-28 07:00:57 UTC · ↺ Refresh
MX Hostnames
- in1-smtp.messagingengine.com
- in2-smtp.messagingengine.com
MX Priorities
No priority data.
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.messagingengine.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain=CgUyfwmOa0yCXDoR
- apple-domain=DST7Xy7R0e2phVQq
- SPFv=spf1 include:spf.messagingengine.com ~all
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