Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saarlouis.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:09:17 UTC · ↺ Refresh
MX Hostnames
- mx1.intersaar.de
- mx2.intersaar.de
MX Priorities
- mx2.intersaar.de: 20
- mx1.intersaar.de: 10
A / AAAA Records
- 213.135.6.14 ↩ ip-213-135-6-14.intersaar.de
Mail Server IPs
- 213.135.11.106 ↩ mx2.intersaar.de
- 2a02:430::1:22:2 ↩ mx2.intersaar.de
- 213.135.15.238 ↩ mx1.intersaar.de
- 2a02:430::1:21:2 ↩ mx1.intersaar.de
SOA Record
Raw SOA
hosting.is.de hostmaster.intersaar.de 2024101439 86400 10800 1209600 3600
Primary NS (mname)
hosting.is.de
Admin Email (rname)
hostmaster@intersaar.de
Serial
2024101439
Refresh
86400s
Retry
10800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.intersaar.de
ns2.intersaar.de
ns3.intersaar.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail.saarlouis.de a:mailrelay.intersaar.de ip4:213.135.0.54 ip4:212.88.140.80/29 ip4:212.88.131.62 ip4:212.88.131.63 ip6:2a02:430::/32 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- _dt2h3d2zkvh55jo8k9aumw97geqy0mn
- SPFv=spf1 a:mail.saarlouis.de a:mailrelay.intersaar.de ip4:213.135.0.54 ip4:212.88.140.80/29 ip4:212.88.131.62 ip4:212.88.131.63 ip6:2a02:430::/32 -all
- apple-domain-verification=41cE2yD4GD9KnHpA
- apple-domain-verification=hFlviI5dcdz29UUw
- google-site-verification=4NoAcEPM0YFHP5JQ38a8sRDHCGovsxxsw4H03sm_x-I
- apple-domain-verification=M6xHpQmEk7v0AcnI
- MS=F62D6FC06D8A31861CB9376EA80D9CB101657BA3
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 · Customize →
See demo & docs
Deep verification
Full email verification for saarlouis.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits