Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
signium.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 17:14:28 UTC · ↺ Refresh
MX Hostnames
- signium-de.mail.protection.outlook.com
- smtpin.rzone.de
MX Priorities
- signium-de.mail.protection.outlook.com: 0
- smtpin.rzone.de: 5
A / AAAA Records
- 104.21.11.8
- 172.67.147.108
- 2606:4700:3031::6815:b08
- 2606:4700:3032::ac43:936c
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 81.169.145.97 ↩ smtpin.rzone.de
- 2a01:238:20a:202:50f0::1097 ↩ smtpin.rzone.de
SOA Record
Raw SOA
tani.ns.cloudflare.com dns.cloudflare.com 2399865309 10000 2400 604800 1800
Primary NS (mname)
tani.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399865309
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zod.ns.cloudflare.com
tani.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:amazonses.com include:spf.loxo.co -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- google-site-verification=b-QAB_hUroKYkh8DMiY67r95amupISlXhV4ri4CBn78
- SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:amazonses.com include:spf.loxo.co -all
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