Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
burtekenergy.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 03:04:21 UTC · ↺ Refresh
MX Hostnames
- mx01.1and1.com
- mx00.1and1.com
- burtekenergy-com.mail.protection.outlook.com
MX Priorities
- mx01.1and1.com: 10
- mx00.1and1.com: 10
- burtekenergy-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.248.243.5
Mail Server IPs
- 74.208.5.21 ↩ mx01.perfora.net
- 74.208.5.3 ↩ mx00.perfora.net
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1079.ui-dns.de hostmaster.1und1.com 2017060133 28800 7200 604800 600
Primary NS (mname)
ns1079.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060133
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1079.ui-dns.de
ns1087.ui-dns.org
ns1102.ui-dns.biz
ns1026.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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