Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knoxvillechamber.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:52:26 UTC · ↺ Refresh
MX Hostnames
- mx1-us.emailsecurity.app
- mx2-us.emailsecurity.app
MX Priorities
- mx2-us.emailsecurity.app: 10
- mx1-us.emailsecurity.app: 10
A / AAAA Records
- 172.67.145.196 (no PTR)
- 104.21.63.131 (no PTR)
- 2606:4700:3034::ac43:91c4 (no PTR)
- 2606:4700:3030::6815:3f83 (no PTR)
Mail Server IPs
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
ashton.ns.cloudflare.com dns.cloudflare.com 2396846610 10000 2400 604800 1800
Primary NS (mname)
ashton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396846610
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ashton.ns.cloudflare.com
sasha.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.253.183.216 ip4:23.253.183.215 ip4:69.20.110.29 ip4:209.87.159.249 ip4:12.155.192.130 include:spf1.emailsecurity.app include:spf.protection.outlook.com include:spf.zoho.com include:transmail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=DFas1CQaVNhBtMAQfkUmym99M0Br0zYz84EBUuu1uBI
- google-site-verification=VfTnzxzHGbQ5mn2NlfDKzSOn3B5P2P3TyxrKSbxuF8s
- sophos-domain-verification=32886fea0da01c03d761cc428569e0a1fd78529b
- SPFv=spf1 ip4:23.253.183.216 ip4:23.253.183.215 ip4:69.20.110.29 ip4:209.87.159.249 ip4:12.155.192.130 include:spf1.emailsecurity.app include:spf.protection.outlook.com include:spf.zoho.com include:transmail.net -all
- 0ed1fe018a4e0e9359e34d48c1b7e3d0f5a3183354
- brevo-code:33494f5b83ee9a73b3b1c9fa67ebc0ba
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