Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rsgroup.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 09:11:08 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 104.47.160.14 (no PTR)
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2021032507 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2021032507
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
dns2.cscdns.net
dns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:em829.rsgroup.com include:em8206.rsgroup.com include:u19833876.wl127.sendgrid.net include:eu._netblocks.mimecast.com a:prodmail33a.sapsf.eu a:prodmail33b.sapsf.eu include:_spf-dc33.sapsf.eu include:_spf.salesforce.com ip4:139.138.56.222 ip4:216.71.146.215 ip4:109.234.203.102 ip4:149.72.27.104 -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 216 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
9 records- MS=ms11285833
- 0ed1fe018ade7e7acd006047ac8e345206fd86f740
- apple-domain-verification=4sGlBZNiXiH441J5
- airtable-verification=28f3b22bd6a1a47a5ed5bb1ffe1c8d0a
- miro-verification=41036b82fa76936ebd4054c2f374d504cdfc556c
- smartsheet-site-validation=YeehaRs8t1NeBs8dRTwchX9rpncNmtYk
- google-site-verification=XCp5qe01ogYbSejLZwHE32fx81cNs6FiqaxuMOTf7Qg
- atlassian-domain-verification=aWvdr/Up1lnl2rKnMp1BMR5h13EnJ82UGUgbaqS1nQd662yXyNIARs/4uQw5UTzB
- SPFv=spf1 include:spf.mailjet.com include:em829.rsgroup.com include:em8206.rsgroup.com include:u19833876.wl127.sendgrid.net include:eu._netblocks.mimecast.com a:prodmail33a.sapsf.eu a:prodmail33b.sapsf.eu include:_spf-dc33.sapsf.eu include:_spf.salesforce.com ip4:139.138.56.222 ip4:216.71.146.215 ip4:109.234.203.102 ip4:149.72.27.104 -all
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