Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ostara.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 17:00:15 UTC · ↺ Refresh
MX Hostnames
- ostara-com.mail.protection.outlook.com
- d358985b.ess.barracudanetworks.com
- d358985a.ess.barracudanetworks.com
MX Priorities
- ostara-com.mail.protection.outlook.com: 30
- d358985a.ess.barracudanetworks.com: 10
- d358985b.ess.barracudanetworks.com: 20
A / AAAA Records
- 104.207.254.133
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.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
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255
SOA Record
Raw SOA
edward.ns.cloudflare.com dns.cloudflare.com 2398834269 10000 2400 604800 1800
Primary NS (mname)
edward.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398834269
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
harlee.ns.cloudflare.com
edward.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- have-i-been-pwned-verification=c56a37a8a1b5a0579461f137b583d8bc
- hubspot-developer-verification=YzM0YTIzYWItNTJjOC00M2I0LWFhNDEtOGZjYWNlNTcxOGE2
- mr61m0lr7eo9n91m60r4a2sm7j
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:spf.ess.barracudanetworks.com ~all
- vmd37wgnqd2k6gx41bksd3j7ssn8d9g3
- 17kql72l6x23xkm6q36dx6gxk00213jr
- 9439qdh20k2947p3i3t2aff1tn
- at4c42890m8ueqaum35f1a1hiu
Full email verification for ostara.com
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