Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
del-one.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:31:53 UTC · ↺ Refresh
MX Hostnames
- d167068a.ess.barracudanetworks.com
- d167068b.ess.barracudanetworks.com
MX Priorities
- d167068b.ess.barracudanetworks.com: 10
- d167068a.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.17.46.19 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
reese.ns.cloudflare.com dns.cloudflare.com 2396981745 10000 2400 604800 1800
Primary NS (mname)
reese.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396981745
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
reese.ns.cloudflare.com
teagan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:servers.mcsv.net include:cust-spf.exacttarget.com include:spf.cashedge.com include:_spf.mailgun.org include:_spf.eu.mailgun.org include:docs-center.com ip4:63.117.120.96/27 ip4:69.38.149.224/27 ip4:208.252.57.192/27 ip4:208.235.248.20 ip4:12.16.165.35 ip4:50.58.10.183 ip4:167.89.11.238 -all
📊 DNS lookups: 8/10
✓ 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
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
3 records- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:servers.mcsv.net include:cust-spf.exacttarget.com include:spf.cashedge.com include:_spf.mailgun.org include:_spf.eu.mailgun.org include:docs-center.com ip4:63.117.120.96/27 ip4:69.38.149.224/27 ip4:208.252.57.192/27 ip4:208.235.248.20 ip4:12.16.165.35 ip4:50.58.10.183 ip4:167.89.11.238 -all
- MS=ms37895296
- google-site-verification=tPmpdu1zDf0dz65t2qnIyxVD-66YY9I6ZdOYCRNpgg4
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