Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centennialcollege.ca
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 15:33:53 UTC · ↺ Refresh
MX Hostnames
- mxa-0057a501.gslb.pphosted.com
- mxb-0057a501.gslb.pphosted.com
MX Priorities
- mxa-0057a501.gslb.pphosted.com: 10
- mxb-0057a501.gslb.pphosted.com: 10
A / AAAA Records
- 199.212.27.206 ↩ www.centennialcollege.ca
- 199.212.27.207 ↩ www.centennialcollege.ca
Mail Server IPs
- 205.220.165.74 ↩ mx0a-0057a501.pphosted.com
- 205.220.177.74 ↩ mx0b-0057a501.pphosted.com
SOA Record
Raw SOA
ns1.centennialcollege.ca dnsadmin.centennialcollege.ca 2970253443 3600 600 1209600 86400
Primary NS (mname)
ns1.centennialcollege.ca
Admin Email (rname)
dnsadmin@centennialcollege.ca
Serial
2970253443
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.d-zone.ca
ns2.centennialcollege.ca
ns1.d-zone.ca
ns1.centennialcollege.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; ruf=mailto:[email protected],mailto:[email protected]; rua=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
12 records- google-site-verification=173uOjrhVYpWKNIzwy2GpnReO1ODMc7YGLX-yUbCUlg
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- MS=ms65951445
- 2o/+sY7AsdDESebZB/ts0jGxGy0iS+AI4GsOHq+IFyDwxMqqacMLsGciDL58t6Au/PvOv/nJ20RqhtHtakLBgA==
- adobe-idp-site-verification=1158e32a8820bf5658b8213415ffb82eca9727fc8d4cd48ffa7c4e512cdae24c
- facebook-domain-verification=0kbq8xxyg4k1obzdcj2p1rlcq3m855
- ZOOM_verify_TlM509LZQn6SJdqSPiHxew
- docusign=eabc76ba-8312-4ceb-bba4-0693dec9ba38
- cloudpiercer-verification=52f65eec6cfe7e0673dcda254f1e28ac
- _luzqgsnes3kzgregccvk0vgzxiu0w4e
- _0crpv0s25c9nmfxo4bn9ontz0hyk0ch
- MS=D89417AC42DAF757E75899939EDB223E53DBABF0
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