Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cssd.ab.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:10:47 UTC · ↺ Refresh
MX Hostnames
- cssd-ab-ca.mail.protection.outlook.com
MX Priorities
- cssd-ab-ca.mail.protection.outlook.com: 30
A / AAAA Records
- 192.30.98.32 (no PTR)
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
SOA Record
Raw SOA
brit.ns.cloudflare.com dns.cloudflare.com 2399174422 10000 2400 604800 1800
Primary NS (mname)
brit.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399174422
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
yichun.ns.cloudflare.com
brit.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:mail.cssd.ab.ca mx:cssd.ab.ca a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com include:spf.protection.outlook.com include:a._spf.brightspace.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- openai-domain-verification=dv-5zkymExaOcgG5cpgadkjAcRE
- SPFv=spf1 a:mail.cssd.ab.ca mx:cssd.ab.ca a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com include:spf.protection.outlook.com include:a._spf.brightspace.com -all
- MS=ms41664294
- MS=ms98921562
- RaJfe5khD4nPPzOuAr3u+zSDlo08/NsS56D4OxLgSV1kGpnephlHt1aWtUhkXJBirGnbE4EP59f/zYPqE9LOtA==
- apple-domain-verification=QrPscY9aYTIssxj6
- google-site-verification=c1QEyQR5iYPUT0MH_JU_9NHOktkvu8IZNhfb8-AeYDk
- google-site-verification=tF05tSK2u1i0FLCy73K6IMZMqVcm0Ilr2tjLyw7h1iU
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