Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
renze.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:29:09 UTC · ↺ Refresh
MX Hostnames
- d189296b.ess.barracudanetworks.com
- d189296a.ess.barracudanetworks.com
MX Priorities
- d189296a.ess.barracudanetworks.com: 10
- d189296b.ess.barracudanetworks.com: 20
A / AAAA Records
- 151.101.2.159 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com.renze.com 11 900 600 86400 900
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com.renze.com
Serial
11
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
900s
Nameservers (NS)
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.emailsignatures365.com include:_spf.createsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- 5jbtqaakgi07cg5urgvloi1400
- dropbox-domain-verification=pak2qs4k76j3
- google-site-verification=TaTFZszSFeFU8t68ugbjMA4QgWHr-pLNT1olEJYZv9o
- klaviyo-site-verification=TqUC5k
- MS=ms28357750
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:spf.emailsignatures365.com include:_spf.createsend.com -all
Full email verification for renze.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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