Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
robertcastles.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:50:22 UTC · ↺ Refresh
MX Hostnames
- robertcastles-ca.inbound.emailservice.co
- robertcastles-ca.inbound.emailservice.io
- robertcastles-ca.inbound.emailservice.cc
MX Priorities
- robertcastles-ca.inbound.emailservice.io: 10
- robertcastles-ca.inbound.emailservice.cc: 20
- robertcastles-ca.inbound.emailservice.co: 30
A / AAAA Records
- 51.79.20.154 ↩ ns566764.ip-51-79-20.net
Mail Server IPs
- 52.44.33.109 ↩ ec2-52-44-33-109.compute-1.amazonaws.com
- 107.21.241.201 ↩ ec2-107-21-241-201.compute-1.amazonaws.com
- 54.211.15.143 ↩ ec2-54-211-15-143.compute-1.amazonaws.com
SOA Record
Raw SOA
ns1.advisor-net.ca hostmaster.advisor-net.ca 2025021200 28800 7200 604800 86400
Primary NS (mname)
ns1.advisor-net.ca
Admin Email (rname)
hostmaster@advisor-net.ca
Serial
2025021200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.advisor-net.ca
ns1.advisor-net.ca
ns2.advisor-net.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.advisornet.ca include:_spf.smtp.com include:spf.us.emailservice.io ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; pct=50;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 a mx include:spf.advisornet.ca include:_spf.smtp.com include:spf.us.emailservice.io ~all
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