nngco.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
nngco.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-25 21:24:08 UTC ยท โ†บ Refresh

MX Hostnames

  • nngco-com.mail.protection.outlook.com

MX Priorities

  • nngco-com.mail.protection.outlook.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.10.1 โ†ฉ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.41.0 โ†ฉ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.10.2 โ†ฉ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.6 โ†ฉ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: โ†ฉ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 โ†ฉ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: โ†ฉ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 โ†ฉ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA dmdcmec01.mec.i.midamerican.com dnsadmin.midamerican.com 2007112987 1200 600 1209600 900
Primary NS (mname)
dmdcmec01.mec.i.midamerican.com
Admin Email (rname)
dnsadmin@midamerican.com
Serial
2007112987
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns3.midamerican.com
ns4.midamerican.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:206.108.233.0/27 ip4:206.108.235.224/27 ip4:204.124.195.248 include:spf.protection.outlook.com mx:res.cisco.com -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; ri=86400
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

9 records
  • apple-domain-verification=4xW5OrYkBTXlrpCU
  • BZMZnOEdulqWIg/Psq/bi2g/zzLP7dS9C0l5ZwjZV2qHFTNeijnXV2FJ/kv9FcRvhsgFfgUlSne5TjAvYrdFHg==
  • adobe-sign-verification=e5c1a1d614975d00ed03f3604fb50082
  • knowbe4-site-verification=2829896b8a765c4c200bf27f9db03f6a
  • autodesk-domain-verification=HxRffnreRDfHcc0NKES-
  • SPFv=spf1 ip4:206.108.233.0/27 ip4:206.108.235.224/27 ip4:204.124.195.248 include:spf.protection.outlook.com mx:res.cisco.com -all
  • h1-domain-verification=Jrg8x2DeY3XBE9y1s1bZPQYKpA1rYPcEhMH5xSVEH21WK6F6
  • google-site-verification=O7q9MYRZ7qi708IAsQwzrgfdTe6OoyNhy-Mgc9mVcek
  • atlassian-domain-verification=+gtmqxGPXWK+jtzqwXjLIq/WHOflyGT9M7xhKrkTVpwpOgS37LeVkzEqu5ppjvW/
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for nngco.com

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

No credit card required
Get 1,000 Free Credits