Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isp.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 19:17:30 UTC · ↺ Refresh
MX Hostnames
- mail.isp.ca
MX Priorities
- mail.isp.ca: 10
A / AAAA Records
- 207.61.183.25 ↩ usage.isp.ca
Mail Server IPs
- 163.182.252.98 ↩ mail.isp.ca
SOA Record
Raw SOA
ns1.isp.ca domains.isp.ca 2026030913 10800 3600 1209600 3600
Primary NS (mname)
ns1.isp.ca
Admin Email (rname)
domains@isp.ca
Serial
2026030913
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.isp.ca
ns2.isp.ca
ns3.isp.ca
SPF Record
✓ Strict (-all)
v=spf1 a mx a:isp.ca a:usage.isp.ca a:hosting.isp.ca a:web3.isp.ca a:mail.isp.ca ip4:207.61.183.0/24 ip4:163.182.252.96/28 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; ruf=mailto:[email protected]; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
5 records- value: MS=ms13811643
- apple-domain-verification=qHvuXZYcdunUmVhc
- SPFv=spf1 a mx a:isp.ca a:usage.isp.ca a:hosting.isp.ca a:web3.isp.ca a:mail.isp.ca ip4:207.61.183.0/24 ip4:163.182.252.96/28 -all
- name: isp.ca
- ISP Canada
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