Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
summerfest.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 13:47:12 UTC · ↺ Refresh
MX Hostnames
- d358983b.ess.barracudanetworks.com
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
- d358983a.ess.barracudanetworks.com
MX Priorities
- d358983b.ess.barracudanetworks.com: 99
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
- d358983a.ess.barracudanetworks.com: 99
A / AAAA Records
- 172.66.144.12 (no PTR)
- 104.20.45.136 (no PTR)
- 2606:4700:10::ac42:900c (no PTR)
- 2606:4700:10::6814:2d88 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
kallie.ns.cloudflare.com dns.cloudflare.com 2399247668 10000 2400 604800 1800
Primary NS (mname)
kallie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399247668
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kallie.ns.cloudflare.com
pablo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:spf.mandrillapp.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=none; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
9 records- ms-domain-verification=31b8217a-04b1-4b33-b552-8ee0664d3f25
- openai-domain-verification=dv-kNFl05LYmxiwsptSzwJeWqWl
- pkkcsg1ndknllat37q1ov8n03d
- SPFv=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:usb._netblocks.mimecast.com include:spf.mandrillapp.com -all
- 0ed1fe018aaddabc7b733f480e8440a00c5b733207
- YQaq8GTps9QFCJ77i8obzQSpk4dDZzlGt2uXVIKr3VJjCs7XxbScRVXqsSWwGb3y7CIZ4+FUMXTyiXHmz+QeHw==
- _527xadflerrjz9s8gtkpw6je4xlss7l
- apple-domain-verification=xhq1xDy7NW7hVMfh
- bw=TNI9ZGxU8GqBoXI0s6IfHnClJsjcq1HP5w5a6oeFXsi6
Full email verification for summerfest.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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