Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arc-mc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 22:29:16 UTC · ↺ Refresh
MX Hostnames
- arcmc-com0i.mail.protection.outlook.com
MX Priorities
- arcmc-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 65.254.227.224 ↩ 65-254-227-224.yourhostingaccount.com
Mail Server IPs
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.powweb.com dnsadmin.powweb.com 2015030171 10800 3600 604800 3600
Primary NS (mname)
ns1.powweb.com
Admin Email (rname)
dnsadmin@powweb.com
Serial
2015030171
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.powweb.com
ns1.powweb.com
SPF Record
✓ Strict (-all)
v=spf1 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
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ip4:38.113.20.0/24 ip4:65.254.224.0/19 ?all
- MS=ms17287238
- MS=ms49028774
- SPFv=spf1 include:spf.protection.outlook.com -all
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