Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
armstrongprofessional.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 22:26:15 UTC · ↺ Refresh
MX Hostnames
- armstrongprofessional-com.mail.protection.outlook.com
MX Priorities
- armstrongprofessional-com.mail.protection.outlook.com: 0
A / AAAA Records
- 99.84.160.61 ↩ server-99-84-160-61.jfk50.r.cloudfront.net
- 99.84.160.70 ↩ server-99-84-160-70.jfk50.r.cloudfront.net
- 99.84.160.91
- 99.84.160.57
- 2600:9000:20e9:3a00:1f:a023:8f00:93a1
- 2600:9000:20e9:8c00:1f:a023:8f00:93a1
- 2600:9000:20e9:ba00:1f:a023:8f00:93a1
- 2600:9000:20e9:b800:1f:a023:8f00:93a1
- 2600:9000:20e9:f400:1f:a023:8f00:93a1
- 2600:9000:20e9:200:1f:a023:8f00:93a1
- 2600:9000:20e9:2e00:1f:a023:8f00:93a1
- 2600:9000:20e9:7a00:1f:a023:8f00:93a1
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-809.awsdns-37.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-809.awsdns-37.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-809.awsdns-37.net
ns-1307.awsdns-35.org
ns-1625.awsdns-11.co.uk
ns-64.awsdns-08.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- cc3aee495390611031fd155de4cf97bc
- MS=ms27245786
- apple-domain-verification=07OgybAAFM0XtQ89
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