Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blocktradingfund.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 02:58:51 UTC · ↺ Refresh
MX Hostnames
- mail.tutanota.de
MX Priorities
- mail.tutanota.de: 10
A / AAAA Records
- 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
- 185.104.29.54 ↩ web0104.zxcs.nl
- 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
- 2a06:2ec0:1::104 ↩ web0104.zxcs.nl
Mail Server IPs
- 185.205.69.211 ↩ mail.w11.tutanota.de
- 185.205.69.214 ↩ mail.w14.tutanota.de
- 185.205.69.213 ↩ mail.w13.tutanota.de
SOA Record
Raw SOA
ns.zxcs.nl hostmaster.blocktradingfund.com 2024030105 600 3600 1209600 86400
Primary NS (mname)
ns.zxcs.nl
Admin Email (rname)
hostmaster@blocktradingfund.com
Serial
2024030105
Refresh
600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.zxcs.nl
ns.zxcs.eu
ns.zxcs.be
SPF Record
✓ Strict (-all)
v=spf1 include:spf.tutanota.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._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
3 records- t-verify=ac626d01be13a4177d5885638f3863be
- SPFv=spf1 include:spf.tutanota.de -all
- t-verify=ac626d01be13a4177d5885638f3863be
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 blocktradingfund.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits