Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
armstrong-fence.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-30 07:27:51 UTC · ↺ Refresh
MX Hostnames
- armstrongfence-com02c.mail.protection.outlook.com
MX Priorities
- armstrongfence-com02c.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.63.236 (no PTR)
- 172.67.173.25 (no PTR)
- 2606:4700:3032::ac43:ad19
- 2606:4700:3032::6815:3fec
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
elijah.ns.cloudflare.com dns.cloudflare.com 2410389290 10000 2400 604800 1800
Primary NS (mname)
elijah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2410389290
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kiki.ns.cloudflare.com
elijah.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.protection.outlook.com include:gateway.serverhost.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
1 record- SPFv=spf1 a include:spf.protection.outlook.com include:gateway.serverhost.net ~all
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