Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
twi-institute.com
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-17 19:31:03 UTC ยท โบ Refresh
MX Hostnames
- twiinstitute-com0i.mail.protection.outlook.com
MX Priorities
- twiinstitute-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.41.183 โฉ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.21 โฉ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.42.16 โฉ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.10 โฉ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 โฉ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f908:: โฉ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913:: โฉ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 โฉ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns69.domaincontrol.com dns.jomax.net 2026011300 28800 7200 604800 600
Primary NS (mname)
ns69.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns70.domaincontrol.com
ns69.domaincontrol.com
SPF Record
โ Strict (-all)
v=spf1 include:servers.mcsv.net ip4:199.167.224.0/22 ip4:98.129.229.133 ip4:67.43.2.176 include:spf.protection.outlook.com include:_spf.arlo.co -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; sp=quarantine; pct=100; ri=86400; rua=mailto:[email protected];
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
โณ Subdomain policy: quarantine
DKIM Selectors
โ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โ Public key: 216 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
1 record- SPFv=spf1 include:servers.mcsv.net ip4:199.167.224.0/22 ip4:98.129.229.133 ip4:67.43.2.176 include:spf.protection.outlook.com include:_spf.arlo.co -all
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 twi-institute.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits