Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
sterlinggloballtd.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-03 06:44:11 UTC ยท โบ Refresh
MX Hostnames
- sterlinggloballtd-com.mail.protection.outlook.com
MX Priorities
- sterlinggloballtd-com.mail.protection.outlook.com: 0
A / AAAA Records
- 149.28.104.165 โฉ 149.28.104.165.vultrusercontent.com
Mail Server IPs
- 52.101.11.9 โฉ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.42.18 โฉ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.40.2 โฉ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.180 โฉ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f902:: โฉ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f909:: โฉ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 โฉ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns73.domaincontrol.com dns.jomax.net 2026033102 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026033102
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns73.domaincontrol.com
ns74.domaincontrol.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:48849131.spf10.hubspotemail.net include:servers.mcsv.net a:gwbsc.sterlinggloballtd.com a:central.sterlinggloballtd.com -all
๐ DNS lookups: 5/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1;
โ Reject โ strongest protection
๐ SPF alignment: Strict
ยท DKIM alignment: Strict
๐ง Reports โ mailto:[email protected],mailto:[email protected]
DKIM Selectors
โ 1 found
k1._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:48849131.spf10.hubspotemail.net include:servers.mcsv.net a:gwbsc.sterlinggloballtd.com a:central.sterlinggloballtd.com -all
- v=verifydomain MS=5099122
- google-site-verification=Dbq4dhv8UdccmX3ZSZhG9GPTyJRvJNW5BXhdElqUopE
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 sterlinggloballtd.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits