nsc-us.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
nsc-us.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-26 07:51:38 UTC ยท โ†บ Refresh

MX Hostnames

  • mx-02-us-east-2.prod.hydra.sophos.com
  • mx-01-us-east-2.prod.hydra.sophos.com

MX Priorities

  • mx-02-us-east-2.prod.hydra.sophos.com: 20
  • mx-01-us-east-2.prod.hydra.sophos.com: 10

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 18.189.107.171 โ†ฉ ec2-18-189-107-171.us-east-2.compute.amazonaws.com
  • 18.118.219.4 โ†ฉ ec2-18-118-219-4.us-east-2.compute.amazonaws.com
  • 3.138.43.149 โ†ฉ ec2-3-138-43-149.us-east-2.compute.amazonaws.com

SOA Record

Raw SOA ns1.greengeeks.net root.chi200.greengeeks.net 2026030603 3600 1800 1209600 86400
Primary NS (mname)
ns1.greengeeks.net
Admin Email (rname)
root@chi200.greengeeks.net
Serial
2026030603
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.greengeeks.net
ns1.greengeeks.net

SPF Record

โœ“ Strict (-all)
v=spf1 +a +mx +ip4:108.163.225.126 include:spf.greengeeks.net +include:spf.protection.outlook.com +include:_spf.smtp.com -all
๐Ÿ“Š DNS lookups: 5/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:s;
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

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

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

All TXT Records

5 records
  • sophos-domain-verification=6e68e7a6b49c26b53a542eda8d9d932c72ffa5f1
  • _globalsign-domain-verification=z36wRsqC8HC3RuhNSn7nq_4GDRJ9K0wDHIQFcT3cNe
  • SPFv=spf1 +a +mx +ip4:108.163.225.126 include:spf.greengeeks.net +include:spf.protection.outlook.com +include:_spf.smtp.com -all
  • _globalsign-domain-verification=wSvhnXFda3YL5w_NHmc4JYasiR3g77H6t8a98PglYP
  • apple-domain-verification=yVM8rL507zq6Ftxn
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 nsc-us.com

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

No credit card required
Get 1,000 Free Credits