Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
surface-guardian.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 02:39:42 UTC · ↺ Refresh
MX Hostnames
- surfaceguardian-com01i.mail.protection.outlook.com
MX Priorities
- surfaceguardian-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.25.183 (no PTR)
- 172.67.134.117 (no PTR)
- 2606:4700:3037::ac43:8675
- 2606:4700:3036::6815:19b7
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
arely.ns.cloudflare.com dns.cloudflare.com 2398195648 10000 2400 604800 1800
Primary NS (mname)
arely.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398195648
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
malcolm.ns.cloudflare.com
arely.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:170.249.203.138 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 +a +mx +ip4:170.249.203.138 ~all
- NETORGFT14105919.onmicrosoft.com
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