Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
howardsafeandlock.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 21:51:24 UTC · ↺ Refresh
MX Hostnames
- howardsafeandlock-com.mail.protection.outlook.com
MX Priorities
- howardsafeandlock-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.237.142.218 ↩ li839-218.members.linode.com
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
fay.ns.cloudflare.com dns.cloudflare.com 2400231729 10000 2400 604800 1800
Primary NS (mname)
fay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400231729
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fay.ns.cloudflare.com
miles.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:69.164.198.18 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
✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:69.164.198.18 include:spf.protection.outlook.com -all
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