Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tristatenursing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 15:10:42 UTC · ↺ Refresh
MX Hostnames
- tristatenursing-com.mail.protection.outlook.com
MX Priorities
- tristatenursing-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.18.211.89 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns21.worldnic.com namehost.worldnic.com 125021211 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125021211
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns21.worldnic.com
ns22.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:216.152.241.44 ip4:24.220.115.86 ip4:149.72.188.247 ip4:149.72.248.154 ip4:149.72.167.94 ip4:149.72.217.5 include:servers.mcsv.net include:squarespace-mail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=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]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
4 records- r7ddap80bhg8dt1dvflqn1ahf0
- SPFv=spf1 include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:216.152.241.44 ip4:24.220.115.86 ip4:149.72.188.247 ip4:149.72.248.154 ip4:149.72.167.94 ip4:149.72.217.5 include:servers.mcsv.net include:squarespace-mail.com -all
- 3kjct7o1rsbdlsdaamaan4imbh
- c4uvq66ksq2h1oq4teurllag3c
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