Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ricksteves.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 18:06:55 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 104.20.29.76 (no PTR)
- 172.66.158.240 (no PTR)
- 2606:4700:10::ac42:9ef0 (no PTR)
- 2606:4700:10::6814:1d4c (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
gabriel.ns.cloudflare.com dns.cloudflare.com 2400006596 10000 2400 604800 1800
Primary NS (mname)
gabriel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400006596
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gabriel.ns.cloudflare.com
sydney.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:74.209.160.164 ip4:168.245.32.225 include:spf.protection.outlook.com include:em3350.ricksteves.com include:email.ricksteves.com include:us._netblocks.mimecast.com mx mx:email.ricksteves.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; 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: 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
7 records- SPFv=spf1 ip4:74.209.160.164 ip4:168.245.32.225 include:spf.protection.outlook.com include:em3350.ricksteves.com include:email.ricksteves.com include:us._netblocks.mimecast.com mx mx:email.ricksteves.com -all
- MS=ms81925690
- V+gXqgOh8KlmY1eZcZiaBrTp02sisZNwX0DQ1Vbballm0X57V1Ls2P4HWmIr2BEhn7q4Du7fby24TuJg8ZQIJg==
- atlassian-domain-verification=Udv3qaObeuewmRx4bFLx2I/A0HeQvaxE8oUfmaneYPwaG4LFVIYqfHlbNH/0zmtx
- atlassian-sending-domain-verification=1f60d665-bb82-4d33-a08a-55248317960d
- facebook-domain-verification=2buobwl4s0jp0e37o6ftn5gceufy7q
- google-site-verification=s8GOjuvAxU6pPbERKhG6ubmJPcWwYO0TDqHC0cRk-Gg
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