Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
threespringsdurango.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:03:22 UTC · ↺ Refresh
MX Hostnames
- mail2.threespringsdurango.com
- mail.threespringsdurango.com
- threespringsdurango-com.mail.protection.outlook.com
MX Priorities
- mail.threespringsdurango.com: 10
- mail2.threespringsdurango.com: 20
- threespringsdurango-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10
- 141.193.213.11
Mail Server IPs
- 206.123.206.129 (no PTR)
- 204.131.166.164 ↩ mail2.southernute.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
diva.ns.cloudflare.com dns.cloudflare.com 2398537484 10000 2400 604800 1800
Primary NS (mname)
diva.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398537484
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
diva.ns.cloudflare.com
merlin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:206.123.206.129 ip4:206.123.206.158 ip4:204.131.166.164 ip4:216.71.143.217 ip4:68.232.129.216 ip4:216.71.155.173 ip4:139.138.47.174 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:206.123.206.129 ip4:206.123.206.158 ip4:204.131.166.164 ip4:216.71.143.217 ip4:68.232.129.216 ip4:216.71.155.173 ip4:139.138.47.174 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all
- MS=ms65998743
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