Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celero.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:27:32 UTC · ↺ Refresh
MX Hostnames
- celero-ca.mail.protection.outlook.com
MX Priorities
- celero-ca.mail.protection.outlook.com: 100
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.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:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns31.cloudns.net support.cloudns.net 2026031801 7200 1800 1209600 3600
Primary NS (mname)
dns31.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026031801
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns32.cloudns.net
dns31.cloudns.net
dns34.cloudns.net
dns33.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:198.161.254.130 ip4:198.161.254.131 ip4:209.202.9.117 ip4:207.229.3.97 ip4:198.161.254.15 ip4:209.202.9.186 ip4:209.202.9.254 ip4:198.161.254.127 ip4:209.190.160.230 ip4:209.190.160.231 ip4:209.190.160.232 ip4:168.245.103.211 ip4:107.6.62.114 include:_spf-can.echoworx.com include:spf.protection.outlook.com include:_spf.qemailserver.com include:_spf.messagegears.net include:spf.celero.ca -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
16 records- W+rPjOjWTpPmFU6HPCgveib4mnxi84PLY7AY89qGTGsvfcH7EcUy2PbPKONYCcgRHdStxUBWLXyw3kq7ZFslhQ==
- Dynatrace-site-verification=9d76be7e-568d-4e1c-8ded-34485997f1cf__l9calre5h0ihhq1lssb92t9ik6
- 3to1bt4tulmo0utvhvmean3j7j
- apple-domain-verification=GzeuqVsPPOBkdtc5
- dd03g7u7ro9dkk5808i26eqq2r
- 81i0gdrlkdpae7m8601nviih0v
- 8uf0g2e19k44j8g6nsemmld3bc
- mjen37os18pt82qb3m64ka3rhf
- MS=ms15946442
- MS=85810E7A547627079F668A937D51476C6ABE6D0E
- 8qj7jdbqmumpttpdji3kjotk8b
- MS=ms83592785
- SPFv=spf1 mx ip4:198.161.254.130 ip4:198.161.254.131 ip4:209.202.9.117 ip4:207.229.3.97 ip4:198.161.254.15 ip4:209.202.9.186 ip4:209.202.9.254 ip4:198.161.254.127 ip4:209.190.160.230 ip4:209.190.160.231 ip4:209.190.160.232 ip4:168.245.103.211 ip4:107.6.62.114 include:_spf-can.echoworx.com include:spf.protection.outlook.com include:_spf.qemailserver.com include:_spf.messagegears.net include:spf.celero.ca -all
- float-verification-code-7b87138d-bab6-4b48-aa99-0e8556d38aa4
- hgh1uau4b2k34856ejubvpij7r
- ng8cr3sjg829kjdru5503d9qln
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