Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gavindebecker.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:28:25 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 15
- us-smtp-inbound-1.mimecast.com: 15
A / AAAA Records
- 52.89.110.179 ↩ ec2-52-89-110-179.us-west-2.compute.amazonaws.com
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns47.worldnic.com namehost.worldnic.com 126032117 10800 3600 604800 3600
Primary NS (mname)
ns47.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126032117
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns48.worldnic.com
ns47.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
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
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- duo_sso_verification=Fo8NuISaIhjEM6oECNBe9YGLKCbq3AGX4PiJW3pmcbGysqvaBY9bQQsYemfEPFtb
- d7xbylcl356bz9sppnvqlmlhf887x6hw
- ZOOM_verify_XzIv-xotQGWBPy5HzmR0yA
- MS=ms50776061
- SPFv=spf1 include:_netblocks.mimecast.com ~all
- ZOOM_verify_1-OskorPQq2Te2OD2GiNUg
- google-site-verification=kFxdpcm5bFrUk1E2Hb977a_7e0MOp-lWiFDg2lJKQNU
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