Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gruposim.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 00:08:29 UTC · ↺ Refresh
MX Hostnames
- gruposim-com.mail.protection.outlook.com
MX Priorities
- gruposim-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.78.251 (no PTR)
- 172.67.138.229 (no PTR)
- 2606:4700:3030::ac43:8ae5
- 2606:4700:3036::6815:4efb
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
greg.ns.cloudflare.com dns.cloudflare.com 2397362631 10000 2400 604800 1800
Primary NS (mname)
greg.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397362631
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
greg.ns.cloudflare.com
lucy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; ruf=mailto:[email protected],mailto:[email protected]; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- sophos-domain-verification=e21dee0fa7ecc2bb3e5b65575dd0698b2d3fd2fbfe17f7269238483612e04bf5
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
- MS=ms28235887
- ade4aa2b2262d45815b32a92ff82112072d382e7c7d1ec850bf137a5ff3170d
- sophos-domain-verification=588109f43f844116641dda1087b3a412a45a89d7937c19995b57703b6ca2017e
- sophos-domain-verification=cdcfac5901e7aa35f2e844cf2e94ebf5cbd1ee06a24b11773962902406844d77
Full email verification for gruposim.com
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