Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
nostoc.es
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 00:19:45 UTC · ↺ Refresh
MX Hostnames
- mail.nostoc.es
MX Priorities
- mail.nostoc.es: 10
A / AAAA Records
- 217.182.22.139 ↩ lv499001.erahosting.es
Mail Server IPs
- 217.182.22.139 ↩ lv499001.erahosting.es
SOA Record
Raw SOA
lv499001.erahosting.es webmaster.nostoc.es 2026091301 10800 3600 604800 600
Primary NS (mname)
lv499001.erahosting.es
Admin Email (rname)
webmaster@nostoc.es
Serial
2026091301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns499001.erahosting.es
lv499001.erahosting.es
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:lv499001.erahosting.es include:spf.erahosting.es -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=6G3lguP3TnZ-ZP7voyzAVoIPs6BGs03MuuFwf3Thq0M
- SPFv=spf1 +a +mx +a:lv499001.erahosting.es include:spf.erahosting.es -all
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 nostoc.es
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits