optis.com

Valid Email Server
Domain Lookup › optis.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
optis.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 21:21:24 UTC · ↺ Refresh

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MX Hostnames

  • optis-com.mail.protection.outlook.com

MX Priorities

  • optis-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.185.0.1 (no PTR)
  • 2620:12a:8000::1 (no PTR)

Mail Server IPs

  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dnsbycomodo.net admin.dns.com 2025050570 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2025050570
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s

Nameservers (NS)

ns2.dnsbycomodo.net
ns1.dnsbycomodo.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 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

12 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms29414189
  • apple-domain-verification=BU9uredUJRXxDjWS
  • citrix-verification-code=5607c15e-a287-4910-a162-c913f9106481
  • logmein-verification-code=GZnCdBL7B7GYb4mDZfPyojRUr
  • pardot922373=4c4460a9e673c5fb105d01428836216c2d76f4b34f91f903a1cdf7593527ddea
  • pardot922373=60991e47c5510132f41e44d6d3276917e86a700f9c1bcf72610b490286432fe9
  • pardot922373=78525717bb3650d75b9be936a01e518e69dc11c5c789a17e3fa40e89562b9e69
  • pardot922373=e25938b57a2b1843208bf7211adf3a2967246abadd2b4456cce255f39196c812
  • pardot922373=f13da5caf17d26b5e25a6ae45912d0a788f057c2ae689ca404a3361a7683ffa7
  • pardot922373=f708170c55843bd156a5b9e2928200d6bbaee9c01a643f8cc68c057fbaab0aea
  • sending_domain922373=a5d38e3bf57009522e2fa7268dabb5264b3fb2aa20099ce6d4ce7b08415e0dab
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