Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leibniz-ipht.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:05:53 UTC · ↺ Refresh
MX Hostnames
- iphtjena-de01b.mail.protection.outlook.com
MX Priorities
- iphtjena-de01b.mail.protection.outlook.com: 0
A / AAAA Records
- 157.97.37.185 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.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:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
merlin.ipht-jena.de hostmaster.ipht-jena.de 2022026337 21600 3600 604800 86400
Primary NS (mname)
merlin.ipht-jena.de
Admin Email (rname)
hostmaster@ipht-jena.de
Serial
2022026337
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
venus.ipht-jena.de
dns-extern-slave.uni-jena.de
news.uni-leipzig.de
merlin.ipht-jena.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:194.94.32.118 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=10
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
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
4 records- SPFv=spf1 ip4:194.94.32.118 include:spf.protection.outlook.com -all
- miro-verification=28b3e7b8aca995c787cb6468d74aeced2e5e35a8
- autodesk-domain-verification=kQ369GOq5PNvvg9RsUoe
- openai-domain-verification=dv-WGvCYx1WdFTvabJ9oeJXc2YQ
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