Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
madisonint.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:52:38 UTC · ↺ Refresh
MX Hostnames
- d129494a.ess.barracudanetworks.com
- d129494b.ess.barracudanetworks.com
MX Priorities
- d129494a.ess.barracudanetworks.com: 10
- d129494b.ess.barracudanetworks.com: 20
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (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
ns-2040.awsdns-63.co.uk awsdns-hostmaster.amazon.com 2014062500 7200 900 1209600 86400
Primary NS (mname)
ns-2040.awsdns-63.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2014062500
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2040.awsdns-63.co.uk
ns-69.awsdns-08.com
ns-875.awsdns-45.net
ns-1157.awsdns-16.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:209.222.82.0/24 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.14 ip4:147.160.167.15 ip4:52.49.235.189 ip4:52.49.201.246 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:efrontcloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 ip4:209.222.82.0/24 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.14 ip4:147.160.167.15 ip4:52.49.235.189 ip4:52.49.201.246 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:efrontcloud.com -all
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