Domain Overview
DNS: β 2d ago
Checker: β 2d ago
biscotti.coffee
Yes
β Yes
Unknown
No
No
β Yes
No
No
Checked via [email protected]
Β· 2026-05-24 14:33:22 UTC Β· βΊ Refresh
MX Hostnames
- mail.protonmail.ch
- mailsec.protonmail.ch
MX Priorities
- mailsec.protonmail.ch: 20
- mail.protonmail.ch: 10
A / AAAA Records
- 172.67.215.35 (no PTR)
- 104.21.61.209 (no PTR)
- 2606:4700:3033::ac43:d723 (no PTR)
- 2606:4700:3035::6815:3dd1 (no PTR)
Mail Server IPs
- 185.70.42.129 β© mailsec.protonmail.ch
- 176.119.200.129 β© mailsec.protonmail.ch
- 185.205.70.129 β© mailsec.protonmail.ch
- 185.205.70.128 β© mail.protonmail.ch
- 176.119.200.128 β© mail.protonmail.ch
- 185.70.42.128 β© mail.protonmail.ch
SOA Record
Raw SOA
ashton.ns.cloudflare.com dns.cloudflare.com 2404180176 10000 2400 604800 1800
Primary NS (mname)
ashton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404180176
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ashton.ns.cloudflare.com
sandy.ns.cloudflare.com
SPF Record
β MissingNo SPF record β domain is unprotected against spoofing.
β No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine β good protection (failing mail goes to spam)
π SPF alignment: Relaxed
Β· DKIM alignment: Relaxed
β No aggregate reports (rua= not set)
DKIM Selectors
β None detectedNo DKIM records found for common selectors β 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
2 records- protonmail-verification=a8312dbb064295771dc1a5a4592382a160a69085
- βv=spf1 include:_spf.protonmail.ch ~allβ
Free Β· No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts β unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code Β· Works on any site Β· Customize β
See demo & docs
Deep verification
Full email verification for biscotti.coffee
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits