Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hntb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 18:07:57 UTC · ↺ Refresh
MX Hostnames
- hntb-com.mail.protection.outlook.com
MX Priorities
- hntb-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
nsdc1.hntb.com dnstech.hntb.com 2007083006 1200 600 1209600 3600
Primary NS (mname)
nsdc1.hntb.com
Admin Email (rname)
dnstech@hntb.com
Serial
2007083006
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nsdc2.hntb.com
nsdc1.hntb.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=3dem3q29._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
15 records- rMc6Uf2EGdL89fKzVap6
- U7hh1bY45FHZ69mNCQWP9dPbGpnvx0KsqjGhTi/8vnBNO0daxRSkTXoJcdNQ6ZZ1HnOcYgJ39xB1j+dV5mlxeA==
- google-site-verification=37z3D_a3iAOYzUA8Jdfyy1fKRQzl5Z_zwZyW6Col9mU
- duo_sso_verification=1CgVWp7z6uaRhJb7T2MdZFwlBGt7UHGRr2gHHf3e1FebqaDPnkzWCIBfs7tZBa3z
- miro-verification=58b5391e910dbd3356f5d8875690d0cc019d1f27
- 6ae9ca7d9bb39ddcfbe9e0047345f1992144960d495d7e2bc477e2657a23d2ae
- 36M52LTmlTJTZWZAlqxhAx6XtyCC3KTKnu/NBhGtH6Ujc3oq+p4N903Kd9DkylyN/WOL2jt6jHgmGZsLkR1FrA==
- MS=ms16039175
- vmware-cloud-verification-6e3fb523-44ba-499a-abed-529fbe7aa044
- canva-site-verification=d70f7l9VQ1vJqEHGeCNeew
- autodesk-domain-verification=rMc6Uf2EGdL89fKzVap6
- hntb-clone.azurewebsites.net
- apple-domain-verification=9btSNfGAwTHRUiv71z-IPgcRT74cwOXu8FIhSkQ1N8Y
- SPFv=spf1 redirect=3dem3q29._spf._d.mim.ec
- adobe-idp-site-verification=58057bd4-4790-4dc4-9be5-7b16664ec166
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
See demo & docs
Deep verification
Full email verification for hntb.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits