ultraoptics.com

Valid Email Server
Domain Lookup › ultraoptics.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ultraoptics.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 16:05:07 UTC · ↺ Refresh

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MX Hostnames

  • ultraoptics-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.72.183 (no PTR)
  • 172.67.153.217 (no PTR)
  • 2606:4700:3033::ac43:99d9
  • 2606:4700:3035::6815:48b7

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA paityn.ns.cloudflare.com dns.cloudflare.com 2407395854 10000 2400 604800 1800
Primary NS (mname)
paityn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407395854
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

paityn.ns.cloudflare.com
uriah.ns.cloudflare.com

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=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • MS=ms81712906
  • _vef6e1p99s2n8eryg5938tz0zdsydmq
  • cl6v6dc6qc4tk5jb9bsg1o0u28
  • google-site-verification=Jkfj4IcwWR5WX1X9qtB1pJoLE75PmEA-nbStughTLyo
  • google-site-verification=_3ccMR4Phel46qC2R9OwUt99WhbReRJQ20q3Ip_8yKs
  • knowbe4-site-verification=1cbc5b1b1db6f5b7c471e5d03f38b041
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms10924422
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