Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flughafenshuttle-frankfurt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:13:48 UTC · ↺ Refresh
MX Hostnames
- mail.flughafenshuttle-frankfurt.de
MX Priorities
- mail.flughafenshuttle-frankfurt.de: 10
A / AAAA Records
- 162.55.107.194 ↩ hosts.se2e.de
- 2a01:4f8:2191:3023::4 ↩ hosts.se2e.de
Mail Server IPs
- 162.55.107.236 ↩ mail.se2e.de
- 2a01:4f8:2191:3023::5 ↩ mail.se2e.de
SOA Record
Raw SOA
robotns3.second-ns.com info.flughafenshuttle-frankfurt.de 2026021501 10800 3600 1209600 10800
Primary NS (mname)
robotns3.second-ns.com
Admin Email (rname)
info@flughafenshuttle-frankfurt.de
Serial
2026021501
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:mail.se2e.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:mail.se2e.de -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 flughafenshuttle-frankfurt.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits