Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
theragenics.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:56:53 UTC · ↺ Refresh
MX Hostnames
- d234729a.ess.barracudanetworks.com
- d234729b.ess.barracudanetworks.com
MX Priorities
- d234729a.ess.barracudanetworks.com: 10
- d234729b.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-09.azure-dns.net
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:204.148.251.200/29 ip4:3.145.232.16/28 ip4:128.92.163.202/29 ip4:52.167.23.149/32 ip4:141.193.213.10/31 include:spf.protection.outlook.com include:spf.sendinblue.com include:_spf.salesforce.com include:8550172.spf07.hubspotemail.net include:relay.mailchannels.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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
5 records- 7sptc1mgpd7hut97e0scshbg6q
- google-site-verification=1p-TcBPNf-ra0h7e-mZE1zCaCc4EReCGb-xCnoUC_Ig
- SPFv=spf1 ip4:204.148.251.200/29 ip4:3.145.232.16/28 ip4:128.92.163.202/29 ip4:52.167.23.149/32 ip4:141.193.213.10/31 include:spf.protection.outlook.com include:spf.sendinblue.com include:_spf.salesforce.com include:8550172.spf07.hubspotemail.net include:relay.mailchannels.net -all
- google-site-verification=GHxAeyGyUEr_F4vDJqumPYawGsnKFG1Z2LzgAurt0Zg
- Sendinblue-code:52726211a06ff6ac147b6da1c4256c00
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