Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
advantage.tech
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 09:40:29 UTC · ↺ Refresh
MX Hostnames
- d149235b.ess.barracudanetworks.com
- d149235a.ess.barracudanetworks.com
MX Priorities
- d149235a.ess.barracudanetworks.com: 10
- d149235b.ess.barracudanetworks.com: 20
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
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
a3.uberns.com rwilbur.advantagetech.biz 2603260113 14400 7200 1209600 300
Primary NS (mname)
a3.uberns.com
Admin Email (rname)
rwilbur@advantagetech.biz
Serial
2603260113
Refresh
14400s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
a3.uberns.com
b3.uberns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.advantagetech.biz
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
6 records- duo_sso_verification=ifVPUYTvW5dugogz2DCLuNdfoVdxG1e0O0uMobWlQhGK297ryi8qNDRB3Ejv5EKn
- GSrLqYT/3Bc+uomjal3ZFiuEzXsLPOoZ3MIaJ1QlsNQ/gA0cnE1ukqsbb75zvQbWLAjSuTxKcLe92fHPWzFC3g==
- MS=ms65936654
- 0ed1fe018a0f9e1b4227084d48ada625
- SPFv=spf1 redirect=_spf.advantagetech.biz
- MS=BC61AA26A71D94B8682CFA44EF3F151500328481
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