Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cosatx.us
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 18:14:32 UTC · ↺ Refresh
MX Hostnames
- d146107a.ess.barracudanetworks.com
- d146107b.ess.barracudanetworks.com
MX Priorities
- d146107b.ess.barracudanetworks.com: 20
- d146107a.ess.barracudanetworks.com: 10
A / AAAA Records
- 89.106.200.153 (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
SOA Record
Raw SOA
ns61.worldnic.com namehost.worldnic.com 125061710 10800 3600 604800 3600
Primary NS (mname)
ns61.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125061710
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns61.worldnic.com
ns62.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:7ebplhrva7.powerspf.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- google-site-verification=mDw44GnvKMPz9f12lLCCOX4KdSE20Y2Af_r3UwnNm-M
- DMARCv=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
- MS=A49E5538D8F7050D1F9AA510F70AA1580355826D
- dDFskP8LUFzvwCeaiI5O0IU4eCP25NQqUV5NUOHSDnwFz8wOK4Ff0Kv8y9yC8IlreGMEeYKZ6zwPSy24vxdCfw==
- apple-domain-verification=6Db9ZI73OBM25QBV
- SPFv=spf1 include:7ebplhrva7.powerspf.com ~all
- 61a8e39a234853ea1bce956f8049d9b7
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