Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atcsim.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 16:41:38 UTC · ↺ Refresh
MX Hostnames
- atcsim-de.mail.protection.outlook.com
MX Priorities
- atcsim-de.mail.protection.outlook.com: 0
A / AAAA Records
- 157.90.24.13 ↩ web15s.online-service.de
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.global-dns.de hostmaster.speedkom.net 2005042950 14400 3600 1209600 3600
Primary NS (mname)
ns1.global-dns.de
Admin Email (rname)
hostmaster@speedkom.net
Serial
2005042950
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.global-dns.de
ns1.global-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:185.74.219.161 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100 ;rua=mailto:[email protected];rua=mailto: [email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto: [email protected]
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
3 records- MS=ms71983060
- atlassian-domain-verification=JAsLsv7NzlWJ6OtcXhmk2uaUkIyttK4NfRYL9UtbUuuLPNJYcc5FVfEo55wEM5ff
- SPFv=spf1 include:spf.protection.outlook.com ip4:185.74.219.161 -all
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