Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
knightsblog.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-31 18:33:24 UTC ยท โบ Refresh
MX Hostnames
- mail.behindthemars.de
MX Priorities
- mail.behindthemars.de: 1
A / AAAA Records
- 45.86.125.122 โฉ tobiassachs.de
- 2a0c:8900:2:f441::1 (no PTR)
Mail Server IPs
- 45.86.125.216 โฉ mail.behindthemars.de
- 2a0c:8900:2:5833::1 โฉ mail.behindthemars.de
SOA Record
Raw SOA
get.desec.io get.desec.io 2025125435 86400 3600 2419200 3600
Primary NS (mname)
get.desec.io
Admin Email (rname)
get@desec.io
Serial
2025125435
Refresh
86400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2.desec.org
ns1.desec.io
SPF Record
โ Strict (-all)
v=spf1 mx -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; sp=reject;adkim=r;aspf=r
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
โณ Subdomain policy: reject
DKIM Selectors
โ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for knightsblog.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits