Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nst-inso.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 21:01:14 UTC · ↺ Refresh
MX Hostnames
- nstinso-com0i.mail.protection.outlook.com
MX Priorities
- nstinso-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 82.165.106.24 (no PTR)
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1035.ui-dns.de hostmaster.1und1.de 2017070635 28800 7200 604800 300
Primary NS (mname)
ns1035.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017070635
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1035.ui-dns.de
ns1035.ui-dns.org
ns1035.ui-dns.com
ns1035.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
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