Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ongresso-energy.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 17:46:30 UTC · ↺ Refresh
MX Hostnames
- ongressoenergy-com02b.mail.protection.outlook.com
MX Priorities
- ongressoenergy-com02b.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.86.119 (no PTR)
- 172.67.219.10 (no PTR)
- 2606:4700:3035::6815:5677
- 2606:4700:3035::ac43:db0a
Mail Server IPs
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
amir.ns.cloudflare.com dns.cloudflare.com 2399154853 10000 2400 604800 1800
Primary NS (mname)
amir.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399154853
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ollie.ns.cloudflare.com
amir.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms17190911
- google-site-verification=Q3TT6KCZSSP_Ffbgn1zJakJkfshrBOZVjvdPyvH_Co8
- google-site-verification=kgSB9LDDORouB1poGaGbxI6yBcnuKluB6pMVbea5x48
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 ongresso-energy.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits