nbcuniversal.com

Valid Email Server
Domain Lookup › nbcuniversal.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nbcuniversal.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 21:05:32 UTC · ↺ Refresh

MX Hostnames

  • mx0a-00176a04.pphosted.com
  • mx0b-00176a04.pphosted.com
  • mxb-00176a04.gslb.pphosted.com
  • mxa-00176a04.gslb.pphosted.com

MX Priorities

  • mxa-00176a04.gslb.pphosted.com: 10
  • mx0b-00176a04.pphosted.com: 20
  • mxb-00176a04.gslb.pphosted.com: 10
  • mx0a-00176a04.pphosted.com: 20

A / AAAA Records

  • 50.228.145.67 (no PTR)

Mail Server IPs

  • 67.231.149.53 ↩ mx0a-00176a04.pphosted.com
  • 67.231.157.49 ↩ mx0b-00176a04.pphosted.com

SOA Record

Raw SOA ns1.nbcuni.com domain\.admin.nbcuni.com 2015121183 900 1800 604800 300
Primary NS (mname)
ns1.nbcuni.com
Admin Email (rname)
domain\@admin.nbcuni.com
Serial
2015121183
Refresh
900s
Retry
1800s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

a5-64.akam.net
a4-67.akam.net
a11-65.akam.net
a1-202.akam.net
a6-65.akam.net
a12-66.akam.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; 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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

11 records
  • _0ri8j2dwecf644v94fgwjia3zz39399
  • s7q7lz9sxpwwyp9vn9vz94yry9plymnn
  • google-site-verification=lFXUGCFB7YVheKt_xfmZtBYFI-apFRT4S58Cs95AGHY
  • google-site-verification=KMgtPWI2Fdg5B4GvGOivusYm_iNE-0FmuUNZ019osRQ
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • mongodb-site-verification=QbfLgJl8FlCbF1fTR4LShsEeaUozO3Ns
  • google-site-verification=8Onhs1ltGQ5dx6HE_QKrOxsjxvWWxmoZ3zu7UAlysps
  • google-site-verification=JumiNA7Z6RbrnlzglEiqqS2EMi_mMuPgbEcnFnXjWXI
  • _j4ydlzb5j2fbnmsf1w33wmkyz33vs8p
  • MS=ms17619342
  • google-site-verification=Dm2r2O5-Nngoe_APoD1l-kR1rG74DYOLhJNR_c6LIPQ
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 nbcuniversal.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits