Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
castleharlan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:01:23 UTC · ↺ Refresh
MX Hostnames
- castleharlan-com.mail.protection.outlook.com
MX Priorities
- castleharlan-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.87.149.159 ↩ cloudhost-3261185.us-midwest-1.nxcli.net
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns45.worldnic.com namehost.worldnic.com 125101411 10800 3600 604800 3600
Primary NS (mname)
ns45.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125101411
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns46.worldnic.com
ns45.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:clientspf.backstopsolutions.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
5 records- MS=721C0D791A8612B2FD099AFD452EF8D6A68E9288
- 29jvvranr4ar3js26r4rj2mam6
- SPFv=spf1 include:_netblocks.mimecast.com include:spf.protection.outlook.com include:clientspf.backstopsolutions.com ~all
- pfhcvcni89dnobisigfaqmqt0o
- MS=ms86220272
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