Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
kolterhomes.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 15:10:07 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 192.124.249.152 ↩ cloudproxy10002.sucuri.net
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2026072702 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026072702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns10.domaincontrol.com
ns09.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:67.216.225.18 ip4:206.222.20.133 ip4:64.31.50.202 include:jangomail.com include:usb._netblocks.mimecast.com include:spf.usa.net include:spf.buildercms.com include:spf.mandrillapp.com include:mail.zendesk.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- apple-domain-verification=4uyfdN4elDdjeTTe
- google-site-verification=1eE5j4_wikBfvPeZABrPp6x2CgU3WBCEfdvdBa-W9Eg
- google-site-verification=b9Dq29OvzQAWP2_Gf2-s9-RAZoOJklgn5BKoRBBzImk
- SPFv=spf1 mx a ip4:67.216.225.18 ip4:206.222.20.133 ip4:64.31.50.202 include:jangomail.com include:usb._netblocks.mimecast.com include:spf.usa.net include:spf.buildercms.com include:spf.mandrillapp.com include:mail.zendesk.com -all
- openai-domain-verification=dv-P2iCy0TjZB3eDywb256lrjDB
- anthropic-domain-verification-6dpexe=k2MIHboyBh7G8A6ukJ77dMnx9
- smartsheet-site-validation=gfwU16o7c5V2Qqrb4o_IvODbZGLupU5u
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