Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duravent.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 16:06:41 UTC · ↺ Refresh
MX Hostnames
- mx2-us1.ppe-hosted.com
- mx1-us1.ppe-hosted.com
MX Priorities
- mx1-us1.ppe-hosted.com: 0
- mx2-us1.ppe-hosted.com: 0
A / AAAA Records
- 216.137.176.153 ↩ server.devfullcircle.com
Mail Server IPs
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
ns01.domaincontrol.com dns.jomax.net 2026011200 28800 7200 604800 3600
Primary NS (mname)
ns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns02.domaincontrol.com
ns01.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a:dispatch-us.ppe-hosted.com include:_spf.smtp.com ip4:216.187.109.3 ip4:216.137.176.153 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 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
6 records- _zeie4jf77incivj1iwrr4pnxpphykai
- google-site-verification=qrg3ywJPbzre0foIy9BSU5uar5NvUwlR-pnTGHRrL_4
- smartsheet-site-validation=1STk0_vuRWh_RpZlyBTaSrWS21NkHANp
- smartsheet-site-validation.duravent.com TXT uapSecret:idqe+2ZNH0Ru9pMKp4NGrw==
- SPFv=spf1 a:dispatch-us.ppe-hosted.com include:_spf.smtp.com ip4:216.187.109.3 ip4:216.137.176.153 -all
- ppe-996818f7142982fe624596518b5c4f2dab22dc01
Full email verification for duravent.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits