stf-energy.de

Valid Email Server
Domain Lookup › stf-energy.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stf-energy.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 00:19:57 UTC · ↺ Refresh

MX Hostnames

  • stfenergy-de0i.mail.protection.outlook.com

MX Priorities

  • stfenergy-de0i.mail.protection.outlook.com: 20

A / AAAA Records

  • 185.175.196.75 (no PTR)
  • 2a00:1c98:60:1101::c678:93bf (no PTR)

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns27.domaincontrol.com dns.jomax.net 2025072200 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025072200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns27.domaincontrol.com
ns28.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:80.237.138.0/24 ip4:80.237.132.0/24 ip4:80.237.133.0/24 ip6:2a01:488:42::/48 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

7 records
  • hibp-verify=dweb_gaed9wyssvpv74w95jdrazei
  • hibp-verify=dweb_i5fkcbzby09b0db9ura0x30a
  • hibp-verify=dweb_nakr2u9tdrf367erl1bb2qed
  • SPFv=spf1 mx a ip4:80.237.138.0/24 ip4:80.237.132.0/24 ip4:80.237.133.0/24 ip6:2a01:488:42::/48 include:spf.protection.outlook.com -all
  • r3oerfp82ruhh55kq6hdkmuse8
  • hibp-verify=dweb_wa3kggw93orayzacuniq5j5e
  • hibp-verify=dweb_tb3dm29oeh9zi36ixjva9hga
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