Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
riddell.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:52:28 UTC · ↺ Refresh
MX Hostnames
- riddell-ca.relay1g.spamh.com
- riddell-ca.relay1i.spamh.com
- riddell-ca.relay1h.spamh.com
MX Priorities
- riddell-ca.relay1h.spamh.com: 20
- riddell-ca.relay1g.spamh.com: 10
- riddell-ca.relay1i.spamh.com: 30
A / AAAA Records
- 66.96.160.141 ↩ 141.160.96.66.static.eigbox.net
Mail Server IPs
- 8.19.118.193 ↩ server267.appriver.com
- 8.31.233.104 ↩ server266.appriver.com
SOA Record
Raw SOA
ns1.netfirms.com hostmaster.netfirms.com 2015121575 10800 3600 604800 3600
Primary NS (mname)
ns1.netfirms.com
Admin Email (rname)
hostmaster@netfirms.com
Serial
2015121575
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.netfirms.com
ns1.netfirms.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:72.138.36.230 ip4:72.138.35.130 ip4:72.138.35.129 ip4:70.25.224.18 include:spf.protection.outlook.com include:spf-ca.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 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
3 records- SPFv=spf1 ip4:72.138.36.230 ip4:72.138.35.130 ip4:72.138.35.129 ip4:70.25.224.18 include:spf.protection.outlook.com include:spf-ca.emailsignatures365.com -all
- MS=ms76029388
- lfAY4FCjXMbND50FbbSky7ajUA/sVQ9y8HY3xjwf+nrQlT2v97WrFpag6sZdn/Y3r28n34Hevj15Y7GAPrrVnw==
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