fairenergie.de

Valid Email Server
Domain Lookup › fairenergie.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fairenergie.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:56:56 UTC · ↺ Refresh

MX Hostnames

  • swrciesa01.stadtwerke-reutlingen.de
  • swrciesa02.stadtwerke-reutlingen.de

MX Priorities

  • swrciesa02.stadtwerke-reutlingen.de: 20
  • swrciesa01.stadtwerke-reutlingen.de: 10

A / AAAA Records

  • 109.71.75.49 ↩ srv-a-go.c-2170.maxcluster.net
  • 2a05:cc00::75:49:10 ↩ srv-a-go.c-2170.maxcluster.net

Mail Server IPs

  • 77.73.108.20 ↩ swrciesa02.stadtwerke-reutlingen.de
  • 77.73.108.29 ↩ swrciesa01.stadtwerke-reutlingen.de

SOA Record

Raw SOA dns1.lf.net hostmaster.ns2.lf.net 2026020503 86400 7200 604800 3600
Primary NS (mname)
dns1.lf.net
Admin Email (rname)
hostmaster@ns2.lf.net
Serial
2026020503
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.lf.net
dns3.lf.net
dns2.lf.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:109.71.75.49 ip6:2a05:cc00::75:49:10 a include:spf.protection.outlook.com a:swrciesa01.stadtwerke-reutlingen.de a:www.fairenergie.de a:swrciesa02.stadtwerke-reutlingen.de a:www.swr-gruppe-karriere.de include:spf-de.emailsignatures365.com mx ip4:213.252.185.26 include:_spf.ewetel.de ~all
📊 DNS lookups: 9/10
~ 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

3 records
  • SPFv=spf1 ip4:109.71.75.49 ip6:2a05:cc00::75:49:10 a include:spf.protection.outlook.com a:swrciesa01.stadtwerke-reutlingen.de a:www.fairenergie.de a:swrciesa02.stadtwerke-reutlingen.de a:www.swr-gruppe-karriere.de include:spf-de.emailsignatures365.com mx ip4:213.252.185.26 include:_spf.ewetel.de ~all
  • swisssign-check=SpSwqva-ULN0XBM__3p1gjQd-Lk
  • MS=ms20975905
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 fairenergie.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits