Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
gentool.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 00:14:59 UTC · ↺ Refresh
MX Hostnames
- email.gentool.com
MX Priorities
- email.gentool.com: 0
A / AAAA Records
- 138.197.101.49 ↩ gentool.com
Mail Server IPs
- 66.42.199.75 ↩ mail.gtc.gentool.com
SOA Record
Raw SOA
ns49.worldnic.com namehost.worldnic.com 124091017 10800 3600 604800 3600
Primary NS (mname)
ns49.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124091017
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns49.worldnic.com
ns50.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:sendgrid.net ip4:138.197.101.49 ip4:66.42.199.75 ip4:66.42.199.72 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:sendgrid.net ip4:138.197.101.49 ip4:66.42.199.75 ip4:66.42.199.72 ~all
- MS=BDEF8E4B5795AFFAEA913774D3F495C1226B67BA
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