Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
thomas.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 09:39:48 UTC · ↺ Refresh
MX Hostnames
- thomas-es.mail.protection.outlook.com
MX Priorities
- thomas-es.mail.protection.outlook.com: 10
A / AAAA Records
- 199.60.103.116 (no PTR)
- 199.60.103.16 (no PTR)
Mail Server IPs
- 52.101.103.36 ↩ mail-miypr05cu00104.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca21::c ↩ mail-matpr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.dinahosting.com hostmaster.thomas.es 2018122701 3600 120 1209600 300
Primary NS (mname)
ns.dinahosting.com
Admin Email (rname)
hostmaster@thomas.es
Serial
2018122701
Refresh
3600s
Retry
120s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns.gestiondecuenta.com
ns3.gestiondecuenta.com
ns2.gestiondecuenta.com
ns4.gestiondecuenta.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com include:5283415.spf03.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=10;adkim=r;aspf=s;rua=mailto:[email protected];ruf=mailto:[email protected];fo=d
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
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=Y3wAbrRNpIhT-ciW-k605mOMct0m-YJAID7Cf0muCeU
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com include:5283415.spf03.hubspotemail.net -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 thomas.es
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits