Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dartentities.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 10:53:50 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 192.190.220.43 ↩ cloudhost-4238192.us-midwest-2.nxcli.net
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
a1.uberns.com tblair.dartentities.com 2603280009 7200 3600 1209600 60
Primary NS (mname)
a1.uberns.com
Admin Email (rname)
tblair@dartentities.com
Serial
2603280009
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
60s
Nameservers (NS)
b1.uberns.com
a1.uberns.com
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:sent-via.netsuite.com ip4:50.205.112.114/30 ip4:50.205.112.128/28 ip4:12.176.84.66/27 ip4:54.213.166.248 ip4:45.62.178.78 ip4:65.255.193.82 ip4:65.255.193.148 ip4:99.37.210.35 ip4:54.213.192.250 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- MS=ms49004790
- 81f5gj3nzflmqlhqwbfq1m30q5lk0hx5
- _jpkyqdarofb71pk9hoptz9c3ucxvlmt
- atlassian-sending-domain-verification=5b460a41-c1ba-44ab-b627-0a31880c5243
- duo_sso_verification=nSn4t3uT2ztUwXxJYmCLNMwBd99Jl873AOqf7hLl8wExOx0DHRWLDRGsyOzMpSaq
- atlassian-domain-verification=dnQGotJdfPkEU9zgoKGruSDrOvQCcLcTW3xbapoLO/osDCx/A44YD7JyhV77E/gU
- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:sent-via.netsuite.com ip4:50.205.112.114/30 ip4:50.205.112.128/28 ip4:12.176.84.66/27 ip4:54.213.166.248 ip4:45.62.178.78 ip4:65.255.193.82 ip4:65.255.193.148 ip4:99.37.210.35 ip4:54.213.192.250 -all
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