Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optinose.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:48:17 UTC · ↺ Refresh
MX Hostnames
- optinose-com.mail.protection.outlook.com
MX Priorities
- optinose-com.mail.protection.outlook.com: 10
A / AAAA Records
- 199.60.103.135 (no PTR)
- 199.60.103.35 (no PTR)
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2018032442 28800 7200 604800 86400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2018032442
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns1.cscdns.net
dns2.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- docusign=33978d1a-4c8e-42e4-a6b2-f563ab21f0ee
- docusign=99c5f475-09c4-40e6-95f6-5630e7c21587
- SPFv=spf1 include:spf.protection.outlook.com -all
- adobe-idp-site-verification=838a4f47f59bfccb10950fc5cd22ea9025d9eb2c76b062f8a1221b29e57a4b80
- MS=ms32668189
- apple-domain-verification=0tWarLuZDEJRL9AN
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