Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
1stopmaintenance.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 06:30:16 UTC · ↺ Refresh
MX Hostnames
- 1stopmaintenance-com.mail.protection.outlook.com
MX Priorities
- 1stopmaintenance-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.2.159 (no PTR)
Mail Server IPs
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.securenetsystems.net hostmaster.securenetsystems.net 20141048 3600 600 2592000 14400
Primary NS (mname)
ns1.securenetsystems.net
Admin Email (rname)
hostmaster@securenetsystems.net
Serial
20141048
Refresh
3600s
Retry
600s
Expire
2592000s
Minimum TTL
14400s
Nameservers (NS)
ns1.securenetsystems.net
ns2.securenetsystems.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- Ms=ms72381231
- SPFv=spf1 include:spf.protection.outlook.com ~all
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