Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s2grupo.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:46:42 UTC · ↺ Refresh
MX Hostnames
- s2grupo-es.mail.protection.outlook.com
MX Priorities
- s2grupo-es.mail.protection.outlook.com: 10
A / AAAA Records
- 194.164.166.233 ↩ ip194-164-166-233.pbiaas.com
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.s2grupo.com hostmaster.s2grupo.es 2026032501 10800 7200 129600 600
Primary NS (mname)
ns1.s2grupo.com
Admin Email (rname)
hostmaster@s2grupo.es
Serial
2026032501
Refresh
10800s
Retry
7200s
Expire
129600s
Minimum TTL
600s
Nameservers (NS)
ns4.s2grupo.com
ns1.s2grupo.com
ns0.s2grupo.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:5529275.spf10.hubspotemail.net ip4:185.215.84.26 ip4:90.161.233.235 ip4:90.161.233.246 ip4:217.13.93.140 ip4:185.215.84.53 ip4:185.215.85.53 a:correo.s2grupo.es -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- MS=ms75188750
- google-site-verification=IUVFbs1mXCIpYm_SAvWgarBOF_K9vuPawDds_AbZ7Hg
- MS=C804B75316D4FD61FDC23B27DC13A0357705425F
- SPFv=spf1 include:spf.protection.outlook.com include:5529275.spf10.hubspotemail.net ip4:185.215.84.26 ip4:90.161.233.235 ip4:90.161.233.246 ip4:217.13.93.140 ip4:185.215.84.53 ip4:185.215.85.53 a:correo.s2grupo.es -all
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