Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celerion.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:04:27 UTC · ↺ Refresh
MX Hostnames
- celerion-com.mail.protection.outlook.com
MX Priorities
- celerion-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.160.38.182 ↩ host05.vdigitalservices.com
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.rackspace.com hostmaster.rackspace.com 1773240281 3600 300 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1773240281
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
ns.rackspace.com
ns2.rackspace.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:69.20.12.168 ip4:72.32.179.99 ip6:2603:10b6::/37 include:aspmx.pardot.com include:_spf.salesforce.com include:spf1.formassembly.com ip4:149.72.206.97 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; adkim=r; aspf=r; sp=none
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
10 records- 00D500000006yLt=1TBUS00000000sr
- openai-domain-verification=dv-ZAzupsekZpxSY4vxiyxres3v
- PUT-RLV-URA
- smartsheet-site-validation=sKekTf_8Q5cQqEKmSlTAQfIRMd9EprSO
- PPS2c1tcv9JXlhHve42vBeCAmAsmPgje+CK3qFkE6zfJRt4VvUG5PlY+T+/9YYqHiOyrlOVhPO7PFUJvtTiekA==
- NWtF0P3yKJvnz5ZBolmQM1R10IgSGyQ5hLEKFxmdFfkBRl1JYu3STCySvXa++jvzvy4a9e68x2x+DyNH2fz5ow==
- docusign=12a23edd-4c74-4511-8ab7-95f475e8e366
- docusign=981a851d-1ebc-4b65-b75e-166e627bbcb4
- MS=ms91823774
- SPFv=spf1 include:spf.protection.outlook.com ip4:69.20.12.168 ip4:72.32.179.99 ip6:2603:10b6::/37 include:aspmx.pardot.com include:_spf.salesforce.com include:spf1.formassembly.com ip4:149.72.206.97 -all
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