Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mrsteam.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:31:32 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 72.167.50.125 ↩ 125.50.167.72.host.secureserver.net
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.worldnic.com namehost.worldnic.com 126022310 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126022310
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.worldnic.com
ns1.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.119.66.66 ip4:52.119.66.67 ip4:52.119.66.68 ip4:72.43.125.178 ip4:72.43.125.179 ip4:72.43.125.180 ip4:12.7.118.242 ip4:12.7.118.243 ip4:72.167.50.125 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:197381.spf05.hubspotemail.net include:_spf.salesforce.com include:sendgrid.net include:_netblocks.google.com include:_netblocks3.google.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- MS=ms60891927
- knowbe4-site-verification=27793b2210c5e76a2434cbaaa3d34970
- apple-domain-verification=dApPDZp9frOQ1fIn
- si1722g34vcb5m23lok9kmnsnk
- mgskcol8b7e4e6ijdcolsb5tpl
- SPFv=spf1 ip4:52.119.66.66 ip4:52.119.66.67 ip4:52.119.66.68 ip4:72.43.125.178 ip4:72.43.125.179 ip4:72.43.125.180 ip4:12.7.118.242 ip4:12.7.118.243 ip4:72.167.50.125 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:197381.spf05.hubspotemail.net include:_spf.salesforce.com include:sendgrid.net include:_netblocks.google.com include:_netblocks3.google.com -all
- 0ed1fe018a5ad6ad03925343aebe380fac1bfe5943
- smartsheet-site-validation=12kDoIRkb9qAUulJjJyc-DChHjZMI34M
- v8n3kq5384bp3st3m3tvjkpk8k
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