Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knaustabbert.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:41:20 UTC · ↺ Refresh
MX Hostnames
- mx1.knaustabbert.de
MX Priorities
- mx1.knaustabbert.de: 10
A / AAAA Records
- 84.200.227.134 ↩ s13.cdka.net
Mail Server IPs
- 185.210.101.4 ↩ mx1.knaustabbert.de
SOA Record
Raw SOA
a.ns14.net stefan\.hoechtl.communiacs.de 2025120409 10800 3600 604800 43200
Primary NS (mname)
a.ns14.net
Admin Email (rname)
stefan\@hoechtl.communiacs.de
Serial
2025120409
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
a.ns14.net
b.ns14.net
d.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:62.156.182.243/32 ip4:84.200.227.130/32 ip4:84.200.227.153/32 ip4:212.18.19.53/32 ip4:212.18.19.58/32 ip4:45.10.26.19/32 include:mailing.eqs.com include:spf-inm.eqs-service.com include:_spf.firebasemail.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- atlassian-domain-verification=Jp/ugyjcqa714QP6eOpjdgkwxoIhF4Jmj1yb9NY0VJ3iYG/luMA/IgT5V9xRIIgl
- MS=414B47AB3569F8BD419052D086C4014C85F825C5
- SPFv=spf1 a mx ip4:62.156.182.243/32 ip4:84.200.227.130/32 ip4:84.200.227.153/32 ip4:212.18.19.53/32 ip4:212.18.19.58/32 ip4:45.10.26.19/32 include:mailing.eqs.com include:spf-inm.eqs-service.com include:_spf.firebasemail.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- MS=ms64368806
- firebase=smart-ci-app
- facebook-domain-verification=dmk7rf0tht2m1u9l1tjoo2nc4kpul0
- sophos-domain-verification=b934e2a548fcd95e81a71165db277804dce39efde03cdebc008adb00e123ed91
- atlassian-sending-domain-verification=728c0ed6-ca5b-4f59-90f0-69e982d0e154
- apple-domain-verification=dvYZqisEVSFdpE8c
- google-site-verification=puXbhLoWoQLYXGKCHkAU8LqmqEkXu_qFMZb_uL-cxxI
Full email verification for knaustabbert.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits