Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
btv.es
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:07:27 UTC · ↺ Refresh
MX Hostnames
- btv.in.tmes.trendmicro.eu
MX Priorities
- btv.in.tmes.trendmicro.eu: 10
A / AAAA Records
- 34.254.42.80 ↩ ec2-34-254-42-80.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
ns.dinahosting.com hostmaster.btv.es 2018122001 3600 120 1209600 300
Primary NS (mname)
ns.dinahosting.com
Admin Email (rname)
hostmaster@btv.es
Serial
2018122001
Refresh
3600s
Retry
120s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns2.dinahosting.com
ns4.dinahosting.com
ns3.dinahosting.com
ns.dinahosting.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:82.98.154.41 ip4:5.196.82.210 ip4:2.136.126.144 include:spf.tmes.trendmicro.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- atlassian-sending-domain-verification=ece371f8-2bd2-459a-8358-5f79a3637cea
- MS=ms99264331
- SPFv=spf1 a mx ip4:82.98.154.41 ip4:5.196.82.210 ip4:2.136.126.144 include:spf.tmes.trendmicro.com include:spf.protection.outlook.com -all
- google-site-verification=_oGj9lIqbvoU3xx9Nomv7ee48h8a0TDDSLGVoa2DUdE
- Sendinblue-code:8c28d04eb1299bc02f47d106380e0bed
- tmes=5fc88e956190518153657122a456f7cd
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 btv.es
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits