Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
shelteralternatives.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:30:04 UTC · ↺ Refresh
MX Hostnames
- shelteralternatives-com.mail.protection.outlook.com
MX Priorities
- shelteralternatives-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.190.17.44 ↩ nrcweb2024.newrivercomputing.com
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.newrivercomputing.com george.newrivercomputing.com 2026031200 3600 1800 1209600 86400
Primary NS (mname)
ns1.newrivercomputing.com
Admin Email (rname)
george@newrivercomputing.com
Serial
2026031200
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.newrivercomputing.com
ns1.newrivercomputing.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:52.255.184.244 +ip4:52.190.17.44 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 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
2 records- MS=ms35471762
- SPFv=spf1 +a +mx +ip4:52.255.184.244 +ip4:52.190.17.44 +include:spf.protection.outlook.com -all
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