Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibl-saar.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 13:38:47 UTC · ↺ Refresh
MX Hostnames
- mx02.hosting.de
- mailsec.protonmail.ch
- mx01.hosting.de
- mx03.hosting.de
- mail.protonmail.ch
- mxbackup.hosting.de
MX Priorities
- mx03.hosting.de: 25
- mail.protonmail.ch: 10
- mx01.hosting.de: 25
- mailsec.protonmail.ch: 20
- mxbackup.hosting.de: 20
- mx02.hosting.de: 25
A / AAAA Records
- 213.160.71.114
- 2a00:17d8:200::131
Mail Server IPs
- 134.0.30.165 ↩ mx03.routing.net
- 134.0.30.167 ↩ mx03.routing.net
- 134.0.30.166 ↩ mx03.routing.net
- 2a03:2900:1:a::18 ↩ mx03.routing.net
- 2a03:2900:1:a::19 ↩ mx03.routing.net
- 2a03:2900:1:a::17 ↩ mx03.routing.net
- 176.119.200.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 134.0.28.14 ↩ mx01.routing.net
- 134.0.28.13
- 2a03:2900:1:a::14
- 2a03:2900:1:a::13
- 185.205.70.129
- 176.119.200.129
- 185.70.42.129
- 194.126.196.21
- 194.126.196.22
- 2a03:2902:4:1::b
- 2a03:2902:4:1::a
SOA Record
Raw SOA
ns1.hosting.de hostmaster.ibl-saar.de 2023060201 86400 7200 3600000 3600
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@ibl-saar.de
Serial
2023060201
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns2.hosting.de
ns3.hosting.de
ns1.hosting.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- protonmail-verification=43f825b06cf6e1a58c883a7e1b0852eb551da300
- SPFv=spf1 include:_spf.protonmail.ch mx ~all
- Value/Points to: v=spf1 include:spf.hosting.de include:_spf.protonmail.ch mx ~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 ibl-saar.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits