Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sustaplast.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:18:48 UTC · ↺ Refresh
MX Hostnames
- sustaplast-de.mail.protection.outlook.com
- mxbck.hlogin.net
MX Priorities
- mxbck.hlogin.net: 100
- sustaplast-de.mail.protection.outlook.com: 10
A / AAAA Records
- 194.126.239.5
Mail Server IPs
- 162.55.168.4 ↩ mxbck.hlogin.net
- 2a01:4f8:c013:2d6a::1 ↩ mxbck.hlogin.net
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.dns1.de hostmaster.internetwire.de 2024071001 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2024071001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.dns2.de
dns.dns4.de
dns.dns3.de
dns.dns1.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:93.241.38.70 ip4:212.7.191.211 ip4:193.34.117.114 ip4:62.159.17.225 include:spf.emailsignatures365.com include:spf.protection.outlook.com include:indivsurvey.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=s; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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- knowbe4-site-verification=54c7c6a2bcde951e504cefe8b65abba1
- MS=ms43324315
- SPFv=spf1 a mx ip4:93.241.38.70 ip4:212.7.191.211 ip4:193.34.117.114 ip4:62.159.17.225 include:spf.emailsignatures365.com include:spf.protection.outlook.com include:indivsurvey.de -all
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