Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alconlabs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:20:50 UTC · ↺ Refresh
MX Hostnames
- alconlabs-com.mail.protection.outlook.com
MX Priorities
- alconlabs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 164.109.43.12 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ha1.markmonitor.zone hostmaster.markmonitor.com 2023081601 3600 600 604800 172800
Primary NS (mname)
ha1.markmonitor.zone
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2023081601
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
172800s
Nameservers (NS)
ha1.markmonitor.zone
ha4.markmonitor.zone
ha3.markmonitor.zone
ha2.markmonitor.zone
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
✓ 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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms70084183
- MS=ms84215210
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