Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tnquality.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 05:04:43 UTC · ↺ Refresh
MX Hostnames
- d310649a.ess.barracudanetworks.com
- d310649b.ess.barracudanetworks.com
MX Priorities
- d310649a.ess.barracudanetworks.com: 10
- d310649b.ess.barracudanetworks.com: 20
A / AAAA Records
- 199.244.26.117 ↩ srv117c.a.valice.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
celine.ns.cloudflare.com dns.cloudflare.com 2399424600 10000 2400 604800 1800
Primary NS (mname)
celine.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399424600
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nikon.ns.cloudflare.com
celine.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.67.172.0/24 ip4:199.244.26.117 include:es._spf.adp.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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- SPFv=spf1 ip4:192.67.172.0/24 ip4:199.244.26.117 include:es._spf.adp.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com -all
- BPL=5951527
- MS=ms84540907
- docusign=33260c49-1c31-489d-8920-0be5d984e5f6
- knowbe4-site-verification=c958f9277f0d60cd2fdf7afc79e7d06a
- specops-verification-code=6bf6f8f9-83b6-48ce-8a68-3af43768ec6a
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