Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
shb.com.vn
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-21 07:48:47 UTC ยท โบ Refresh
MX Hostnames
- mx.shb.com.vn
- mail.shb.edu.vn
- mail1.shb.com.vn
MX Priorities
- mail.shb.edu.vn: 5
- mx.shb.com.vn: 100
- mail1.shb.com.vn: 1
A / AAAA Records
- 122.102.112.21 โฉ mx.shb.com.vn
- 122.102.112.30 (no PTR)
Mail Server IPs
- 122.102.112.20 โฉ mail1.shb.com.vn
- 122.102.112.21 โฉ mx.shb.com.vn
SOA Record
Raw SOA
ns1.pavietnam.vn hostmaster.shb.com.vn 2026032088 14400 3600 1209600 86400
Primary NS (mname)
ns1.pavietnam.vn
Admin Email (rname)
hostmaster@shb.com.vn
Serial
2026032088
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsbak.dotvndns.com
ns2.dotvndns.vn
ns1.dotvndns.vn
SPF Record
โ Strict (-all)
v=spf1 a mx:shb.com.vn ip4:122.102.112.20 ip4:122.102.112.21 include:spf.protection.outlook.com -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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
12 records- atlassian-domain-verification=jOfA4E4rygU0Cd4IW2PcOp3gSkXaV6J1XVz77CITxJn8Wmiwnem4ayrCLjL1dBBf
- _globalsign-domain-verification=SEaNumsl-D6PvKkTjahGtjvG09hqr-ZEl0V_lHSo4A
- SPFv=spf1 a mx:shb.com.vn ip4:122.102.112.20 ip4:122.102.112.21 include:spf.protection.outlook.com -all
- MS=ms60566072
- cloudflare_dashboard_sso=251b93fbf4d984fa6e5a73d655e8b996
- google-site-verification=_XXfyzKgVzaYkQtxn3S-jFmVJmftCRQzb2d4gUFI0rc
- apple-domain-verification=6TjyGBK90a20y9Yy1zFLRlBLb7Z7gV8G2K-FkIUH5-o
- JZt6JE8RLNteljAp7ZOXQTG7oPOIiDeBCZ3UMMJdgf8=
- 210.245.61.221
- v9yv8gft1clfs9xg5jp2qhbn96prt8wt
- cisco-ci-domain-verification=3fb65c2b1a1741d659542aeaff0a1d4e9f0001bd870ab700fb99e17de03060c0
- _globalsign-domain-verification=S7MyN41VGC_YPaOj5RYVBhfGe2nF1CqxFGehb64LqJ
Full email verification for shb.com.vn
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits