Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
smidallas.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-09 07:11:28 UTC · ↺ Refresh
MX Hostnames
- d326706a.ess.barracudanetworks.com
- d326706b.ess.barracudanetworks.com
MX Priorities
- d326706b.ess.barracudanetworks.com: 20
- d326706a.ess.barracudanetworks.com: 10
A / AAAA Records
- 160.153.0.118 ↩ 118.0.153.160.host.secureserver.net
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 125072909 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125072909
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.securence.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 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- o6sjujl2ugu8g8s0f57okgj7cf
- SPFv=spf1 include:spf.securence.com include:spf.protection.outlook.com -all
- duo_sso_verification=MkdkulgplAZI6wF2aHrmf1ebkotGY3bAJbdQ4zetYnzT5v6lgap2YzYyKSCBe59a
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbFfhaOxa6jIpdZoLng69n+jGSg9EB/FfzfFKWe7q2E73JJyYGSt1je+XYEWzMHFivrCj6DOnnAwRkmSANMPcnRTMhlFl4QmOs+sEn1TXa1uzglQvOMQiIpk6Uu6PByqJeSy+kgRp4oAmeeT/h9weQlmmTm5XMOmKUsf/9y65wJQIDAQAB
- MS=ms36907827
- BPL=4478236
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