Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
edmundoptics.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:24:47 UTC · ↺ Refresh
MX Hostnames
- edmundopticsinc.mail.protection.office365.us
MX Priorities
- edmundopticsinc.mail.protection.office365.us: 10
A / AAAA Records
- 104.18.0.243 (no PTR)
- 104.18.1.243 (no PTR)
Mail Server IPs
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
SOA Record
Raw SOA
bob.ns.cloudflare.com dns.cloudflare.com 2399866035 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399866035
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dee.ns.cloudflare.com
bob.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mail.edmundoptics.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.protection.office365.us include:_spf.qualtrics.com ip4:63.116.248.194 ip4:24.40.189.228 ip4:111.223.106.28 include:spf.ess.barracudanetworks.com ip4:63.116.248.195 ip4:50.248.146.202 include:eskerondemand.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ 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: 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
13 records- BRCM:DEL
- FyXHXlLkdS/vEgvyDXUDMM0pvVijFugG29njOlOlXnLnXUKE/oj/17V0yPJcN3QMy2xAYrAVo0UXea8pVIsc5Q==
- MS=ms13612969
- MS=ms71750348
- apple-domain-verification=hLMbkcVhkL5DUtEH
- bw=PQz7Qu0q0OuF5eBBoqlTYHK5C7m10GE4BEhkvEaVE6ye
- google-site-verification=F4sdace14H2EoALmAunNMEpGYkhda5xdHwH3SY_Ixe0
- google-site-verification=HNow7omMZeJG1OVIPy5CE9ytN-gwSIDmKproz7H0x4A
- google-site-verification=kn3-KGfM-LDl-_ezDyrPIM9kRU6dPaJU9JWz3JFRqEM
- google-site-verification=wviqEOu1zyydOiXml1Moh_GcvcCO9AcU4NmjgRw-NOU
- SPFv=spf1 a:mail.edmundoptics.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.protection.office365.us include:_spf.qualtrics.com ip4:63.116.248.194 ip4:24.40.189.228 ip4:111.223.106.28 include:spf.ess.barracudanetworks.com ip4:63.116.248.195 ip4:50.248.146.202 include:eskerondemand.com ~all
- xrYG4/VOupv2dhsU5uNabpPMlpTgHc45lCm/jlWlwZ9yWsfb6GRlwrSwjZECClw2l9EM2BqwIF3GBIc4/AE0/w==
- 2oFEUxLWHU0ZEODDJaAHdgOdWlYLhwBOWFPWiaC9Fq34ovoPRXivWftNhSEJe+ycZJb1S/+xd9nSxdOJ9LUXAQ==
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for edmundoptics.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits