Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isc.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:05:38 UTC · ↺ Refresh
MX Hostnames
- isc-ca.mail.protection.outlook.com
MX Priorities
- isc-ca.mail.protection.outlook.com: 5
A / AAAA Records
- 104.18.43.51 (no PTR)
- 172.64.144.205 (no PTR)
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
ismc-dns-mast1.ismcanada.com postmaster.ismcanada.com 2006100780 10800 3600 2592000 900
Primary NS (mname)
ismc-dns-mast1.ismcanada.com
Admin Email (rname)
postmaster@ismcanada.com
Serial
2006100780
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ismc-dr-dns.ismcanada.com
ismcdns3.ismcanada.com
ismc-dns-mast1.ismcanada.com
ismcdns2.ismcanada.com
ismcdns1.ismcanada.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:198.169.110.164/31 include:spf.protection.outlook.com include:eskerondemand.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 2 found
selector1._domainkey
selector2._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
15 records- google-site-verification=ydSizo78ceZj0ifYzuxdiumBuLwjA-0ByjAheSRwUIE
- google-site-verification=gJStc66QNns7Rt3PAs2Ra8x7fLep3zd0eS53MwPnSh0
- ms-domain-verification=4d12fe49-5879-43ad-afd5-10f91ddecc0f
- cloudflare-verify.isc.ca=431147686-397271827
- google-site-verification=DNX56mbL0uilai1LILRK0ktCjmxd_t1djeT0cjk4HEY
- SPFv=spf1 ip4:198.169.110.164/31 include:spf.protection.outlook.com include:eskerondemand.com -all
- tqSgEAOSmA9aIiSgaCBC5y4NOIN713LbRl8Dgfv4HVF6wHnjpGy03QAx5UYYCBBPpeppDUI24VdsXgt8OsyNlA==
- MS=ms10662286
- miro-verification=5188908669abc65786d4be4eed5dd0d67b42e08c
- bcn=C93CC6F8-1CB1-11ED-9A97-6E4F38C6A774
- bcn=FC948CD4-6A90-11ED-AA74-F4A151CD5D4A
- bcn=9C09112E-6B75-11ED-BEE7-8AF58DEE2E42
- bcn=926C4E92-6B75-11ED-B14F-8DF58DEE2E42
- ms-domain-verification=51ef33f4-c5c4-40af-804f-caeda4ac7a19
- ms-domain-verification=4fe08132-9e7a-4db9-af9b-5ed5a1ca9199
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