Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heiderbott.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 00:22:44 UTC · ↺ Refresh
MX Hostnames
- heiderbott-com.mail.protection.outlook.com
- mail.heiderbott.com
MX Priorities
- mail.heiderbott.com: 20
- heiderbott-com.mail.protection.outlook.com: 10
A / AAAA Records
- 192.124.249.109 ↩ cloudproxy10109.sucuri.net
Mail Server IPs
- 67.52.11.22 ↩ syn-067-052-011-022.biz.spectrum.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns33.worldnic.com namehost\@worldnic.com 125012709 10800 3600 604800 3600
Primary NS (mname)
ns33.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
125012709
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns34.worldnic.com
ns33.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:67.52.11.22 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 ip4:67.52.11.22 include:spf.protection.outlook.com -all
- MS=ms59197876
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