Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcss.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 15:46:49 UTC · ↺ Refresh
MX Hostnames
- d131656a.ess.barracudanetworks.com
- d131656b.ess.barracudanetworks.com
MX Priorities
- d131656a.ess.barracudanetworks.com: 0
- d131656b.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
asnsvr.asc.edu asnphd01.asnmail.asc.edu 2024062500 3600 300 604800 28800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
asnphd01@asnmail.asc.edu
Serial
2024062500
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.asc.edu
ns3.asc.edu
asnsvr.asc.edu
ns1.asc.edu
asnsvr2.asc.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com ip4:216.109.52.10 include:spf.protection.outlook.com include:spf.gaggle.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
8 records- MS=ms85637770
- apple-domain-verification=OOc5C3dL4gPiZt94
- Mosyle-verification=951865413
- adobe-idp-site-verification=9f178e862e38339b77255af1ea4e8134109969449af2b44c167f044d8f76fcca
- 1a662a9e258dac998b6b5b4373d9930e
- logmein-verification-code=017a7805-3d96-41cd-a2ce-c2446731edb5
- SPFv=spf1 include:spf.ess.barracudanetworks.com ip4:216.109.52.10 include:spf.protection.outlook.com include:spf.gaggle.net include:_spf.psm.knowbe4.com -all
- 9AeeToMwostILFlVsgeyv/cDAe9jv65lu6Hf/ymV3zz2T5++wQwR3fDEEM2ifLMipctxLdOCNjJ1RY2+k4ca8g==
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