Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tpcg.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-10 13:19:12 UTC · ↺ Refresh
MX Hostnames
- tpcg-org.mail.protection.outlook.com
- d243581b.ess.barracudanetworks.com
- d243581a.ess.barracudanetworks.com
MX Priorities
- d243581a.ess.barracudanetworks.com: 5
- d243581b.ess.barracudanetworks.com: 10
- tpcg-org.mail.protection.outlook.com: 75
A / AAAA Records
- 216.76.14.99
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::3
SOA Record
Raw SOA
ns91.worldnic.com namehost.worldnic.com 126060911 10800 3600 604800 3600
Primary NS (mname)
ns91.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126060911
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns92.worldnic.com
ns91.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.76.14.99 ip4:216.76.14.108 ip4:172.81.70.107 ip4:216.76.14.98 ip4:12.89.27.58 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 ip4:216.76.14.99 ip4:216.76.14.108 ip4:172.81.70.107 ip4:216.76.14.98 ip4:12.89.27.58 include:spf.protection.outlook.com -all
- phj387k8h116eq77gja2hqkajv.
- MS=ms24617697
- google-site-verification=e7nbfAaAZvuBA6Bb1L2c0ZegpUNkDyZ4uvTwh0Lh4_k
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for tpcg.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits