Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
nngco.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-25 21:24:08 UTC ยท โบ 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 โฉ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.41.0 โฉ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.10.2 โฉ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.41.6 โฉ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c803:: โฉ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 โฉ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f910:: โฉ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 โฉ 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
โ 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
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; ri=86400
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 392 chars (valid)
โ 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