Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iisys.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 18:36:46 UTC · ↺ Refresh
MX Hostnames
- iisys-de.mail.protection.outlook.com
MX Priorities
- iisys-de.mail.protection.outlook.com: 0
A / AAAA Records
- 194.95.60.175 ↩ itfo-2026.iisys.de
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
sh-dns01e.hof-university.de root.hof-university.de 2026030401 28800 7200 604800 86400
Primary NS (mname)
sh-dns01e.hof-university.de
Admin Email (rname)
root@hof-university.de
Serial
2026030401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
deneb.dfn.de
sh-dns02e.hof-university.de
sh-dns01e.hof-university.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:194.95.61.4 ip4:194.95.60.119 include:spf.dynect.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- HARICA-OhvBZ6vqByFQsSsFMJZ
- SPFv=spf1 mx ip4:194.95.61.4 ip4:194.95.60.119 include:spf.dynect.net include:spf.protection.outlook.com -all
- MS=ms61804429
- dell-technologies-domain-verification=iisys.de_118ab4e0-f4a8-427c-9327-29ffba776f09_1753432692
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