Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gpoibarra.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:21:25 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 40.122.38.167 (no PTR)
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.gpoibarra.com 28 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@gpoibarra.com
Serial
28
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns2.p201.dns.oraclecloud.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:184.106.54.94 ip4:40.113.220.67 ip4:201.144.165.146 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
25 records- r2p1do00u0989nq4nful4n300e
- pumf5vb2gfv3hk3u8g39t243o2
- orhtnm1qa054atk16rq01bj88o
- 5h4bton8c73m5t9t7dpcbabu0l
- wLmcegfkQNieBdEWS7RSVU
- 3k0mq6phm7o9e3haflb371s0an
- q0kmrom8r7rnpdvel3jto3qvft
- t3t52cl0nfukap791thsk0buua
- vv6025vo8ff06dv90c0vkjc9d0
- fortinet-fortiphish-site-verification=wLmcegfkQNieBdEWS7RSVU
- j4ommp905d5hc1seejpm2pf03v
- 2k3papjbrjbv0ahfslebh95hl1
- tc0itnlj99191r2e9fvsnq6lr5
- 9hesa6ad6hjp16g8kjm6ll1lcg
- 1bfq2jbfa4j9071s9cvun5rjc4
- tH4fMzVtL/Ambf81T6DDjkdEg1J8TrRslHV6BmpugGtNbI50mCqNVNzz4XEbgC7wf+xYZmKKPVuF8x1G4fhc8A==
- m7hs0m5ib41801t5p3q1vi4krs
- duo_sso_verification=siyCeiPqyZucWQtO9u0eipI7HWFCKn205gs6KP67r42mMg4P3QKecKIqDhjdza9n
- d20ee5fa09fec6290b330ef399515c
- drthje44khn8j43ap5is58gtta
- SPFv=spf1 ip4:184.106.54.94 ip4:40.113.220.67 ip4:201.144.165.146 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- f8g28tijjsgbn6t5r3011thta9
- cisco-ci-domain-verification=6c55a82f832e0b82ee090500b241395d2c9d520f9dd2320cf295f0f729ce22a
- sumn2h864uunvu34o9rk3h4iq8
- 34jovvokc8j3kfqgrfqpu3c1kj
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 gpoibarra.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits