Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gratia.edu.hk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:57:23 UTC · ↺ Refresh
MX Hostnames
- gratia-edu-hk.mail.dr.greenradar.com
- gratia-edu-hk.mail.hk.greenradar.com
MX Priorities
- gratia-edu-hk.mail.dr.greenradar.com: 20
- gratia-edu-hk.mail.hk.greenradar.com: 10
A / AAAA Records
- 218.188.222.174 ↩ static-bbs-174-222-188-218-on-nets.com
- ::1 ↩ localhost
Mail Server IPs
- 152.101.60.164 ↩ sg01extb.greenradar.com
- 203.85.49.142 ↩ hk02extb.greenradar.com
SOA Record
Raw SOA
ns.gratia.edu.hk root.gratia.edu.hk 2024111038 129600 3600 2419200 3600
Primary NS (mname)
ns.gratia.edu.hk
Admin Email (rname)
root@gratia.edu.hk
Serial
2024111038
Refresh
129600s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns.gratia.edu.hk
SPF Record
✓ Strict (-all)
v=spf1ip4:218.188.222.160/28-all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- DKIMv=DKIM1
- SPFv=spf1ip4:218.188.222.160/28-all
- adobe-idp-site-verification=18cffe74ecc567e1e4d21a449bfc6acb13d015d14a86eb31c2e44736e73b8057
- MS=674833F8AEBD4F24BAEE08AA4CF073E4046B2F68
- SPFv=spf1include:_spf.google.com~all
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