Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sermicro.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 02:49:02 UTC · ↺ Refresh
MX Hostnames
- sermicro-com.mail.protection.outlook.com
MX Priorities
- sermicro-com.mail.protection.outlook.com: 1
A / AAAA Records
- 217.76.128.35 ↩ hosting01.servidoresdns.net
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
dns27.servidoresdns.net hostmaster.servidoresdns.net 2016032147 21600 3600 2419200 300
Primary NS (mname)
dns27.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2016032147
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
dns27.servidoresdns.net
dns28.servidoresdns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:194.224.173.44 include:_spf.google.com include:spf.protection.outlook.com include:_spf.general.transactional-mail-a.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- globalsign-domain-verification=FBC5FDC83A34048215938B4AB6E8ABFA
- MS=ms29066540
- globalsign-domain-verification=2A79A8BA6DFD0D70D2BEB1B32F4F5AF7
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3+gq+XbV/jeKWb2U4OWMf5VpVB+xA0mA+fb5+afpO/CPHTTxCxUg5JP2cg5bfpQ2q34QBKiCmphuBQ3T52uwy5A9x61nWZHCUyaVX7C57kqseQE6cUvoQHv4Jy5L9p/dCXaTJvBhrCjssvY3MvRs24Cf8yqUwCFLXmph8sjGDOy7+u1cSBHtmRLT0rSBZoALiZCT+HCDd3NEAkTn+FDiUAns3yXqZYcn9KUtAWCLh/nCMcAXJbSa79Ogo0jb2xmSwI1d+ol/yt9iXLvjiVnoG70OzFe41Q3dnW546SNN4XzcHmWoIorIp4DcJpemkeMyEHDMlBXklMGsc5g6rdZbmQIDAQAB
- globalsign-domain-verification=CDBE12483A2094AEA376608391FBB6E9
- SPFv=spf1 ip4:194.224.173.44 include:_spf.google.com include:spf.protection.outlook.com include:_spf.general.transactional-mail-a.com ~all
- globalsign-domain-verification=C8DA9D738D394213BBF916419F11C4EA
- duo_sso_verification=DnsaM049lERVC2pUEgRRnE7svbGN5w8lMIooSc9RVeNSSI8BGOFtBbc7bwUFhehP
Full email verification for sermicro.com
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