Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
korteco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:38:22 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns7.worldnic.com namehost.worldnic.com 126021819 10800 3600 604800 3600
Primary NS (mname)
ns7.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021819
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns8.worldnic.com
ns7.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.dynect.net include:275623.spf07.hubspotemail.net include:_spf.salesforce.com include:turbo-smtp.com ip4:192.254.121.101 ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- duo_sso_verification=KmhVCpNx5GPWHvhqQquO8i7Tcjqz7AqZigmn2TeJwkrDLKhrYpJfol4qX3XPEug9
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.dynect.net include:275623.spf07.hubspotemail.net include:_spf.salesforce.com include:turbo-smtp.com ip4:192.254.121.101 ~all
- 0ed1fe018a63794fbb5fec4b9c95225a830ac106b9
- MS=ms31257221
- _eg7vr6thj1jurjaxhohm4w9ugnbrw5x
- autodesk-domain-verification=_Dp6yj27EP40UTqoKIza
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