Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vistarp.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 20:37:27 UTC · ↺ Refresh
MX Hostnames
- d271222b.ess.barracudanetworks.com
- usb-smtp-inbound-2.mimecast.com
- d271222a.ess.barracudanetworks.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 20
- d271222b.ess.barracudanetworks.com: 99
- d271222a.ess.barracudanetworks.com: 99
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 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
ns33.worldnic.com namehost.worldnic.com 125111708 10800 3600 604800 3600
Primary NS (mname)
ns33.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125111708
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns34.worldnic.com
ns33.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ 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
4 records- apple-domain-verification=a8QumQtoGX4e5Qbl
- ca3-36cb4c72204e4ddd9524464c89bc30d4
- SPFv=spf1 include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:spf.ess.barracudanetworks.com -all
- 0ed1fe018aeb106e26296746259da2d1a4c24633e4
Full email verification for vistarp.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits