Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
signotec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 09:22:59 UTC · ↺ Refresh
MX Hostnames
- signotec-de.mail.protection.outlook.com
MX Priorities
- signotec-de.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.65 ↩ 217-160-0-65.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.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
SOA Record
Raw SOA
ns1125.ui-dns.biz hostmaster.1and1.com 2018022358 28800 7200 604800 300
Primary NS (mname)
ns1125.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2018022358
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1070.ui-dns.de
ns1091.ui-dns.org
ns1040.ui-dns.com
ns1125.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:_spf.nol-is.de include:spf.sendinblue.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
9 records- SPFv=spf1 mx include:spf.protection.outlook.com include:_spf.nol-is.de include:spf.sendinblue.com -all
- ns4.bdm.microsoftonline.com
- ns1.bdm.microsoftonline.com
- google-site-verification=W4nh4DrIqx-kD0x17saG9IieobliovU01j1MPHLCZfQ
- ns3.bdm.microsoftonline.com
- sophos-domain-verification=1e8fcca9026e0df6ccda7caecf7acfa2a37e325f01ba098807ee759e56d4b189
- brevo-code:76df44f2b18081ff9e0bc28dceb24076
- apple-domain-verification=CxC6sOE4Pm2roLyP
- ns2.bdm.microsoftonline.com
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