Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mpib-berlin.mpg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 13:28:01 UTC · ↺ Refresh
MX Hostnames
- b2121.mx.srv.dfn.de
- a2121.mx.srv.dfn.de
- c2121.mx.srv.dfn.de
MX Priorities
- a2121.mx.srv.dfn.de: 50
- c2121.mx.srv.dfn.de: 50
- b2121.mx.srv.dfn.de: 50
A / AAAA Records
- 141.14.166.212 ↩ mpib-berlin.mpg.de
- 141.14.158.5 ↩ mpib-berlin.mpg.de
- 141.14.166.214 ↩ master2020.mpib-berlin.mpg.de
Mail Server IPs
- 194.95.232.170 ↩ a2121.mx.srv.dfn.de
- 194.95.238.170 ↩ c2121.mx.srv.dfn.de
- 194.95.234.170 ↩ b2121.mx.srv.dfn.de
SOA Record
Raw SOA
elena.rz-berlin.mpg.de hostmaster.gnz.mpg.de 5979 7200 18000 3600000 7200
Primary NS (mname)
elena.rz-berlin.mpg.de
Admin Email (rname)
hostmaster@gnz.mpg.de
Serial
5979
Refresh
7200s
Retry
18000s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
elena.rz-berlin.mpg.de
dns1.gwdg.de
dns2.gwdg.de
dns3.gwdg.de
SPF Record
✗ Invalid
v=spf1 mx a:a2122.mx.srv.dfn.de a:b2122.mx.srv.dfn.de a:c2122.mx.srv.dfn.de ip4:141.14.215.90 include:_spf.atlassian.net include:spf.protection.outlook.com include:spf.email.azure.com include:spf.sendinblue.com ~all
📊 DNS lookups: 11/10
— over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;rua=mailto:[email protected]!10m;ruf=mailto:[email protected]!10m;rf=afrf;pct=100;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
16 records- google-site-verification=srZQjhwDnszh8DHOfrjSqB4APvC9ik61cPnpIBcqw1s
- notion-domain-verification=Df0T4Abv24ideghpCcjdO9Pxp32EjiRxRBcfGYZ5brd
- bw=VTVqDfIpY4pYAh7aZGpyoaT46BOofZMLYWQZplb42Yau
- ms-domain-verification=c93c2781-0ce6-4a35-abaf-3ae5394ebbcf
- MS=ms65516744
- apple-domain-verification=imoGzwLsWGKHCvwH
- mongodb-site-verification=k5yaKkiRENFR9VFZY7chA9ryHceNxDxd
- atlassian-domain-verification=dHAHFY5xDYkUN2CHaGSM/37O8Z5yHMMg9dL13amvcSfV0rckWBfSx2H7Noj1f5SL
- SPFv=spf1 mx a:a2122.mx.srv.dfn.de a:b2122.mx.srv.dfn.de a:c2122.mx.srv.dfn.de ip4:141.14.215.90 include:_spf.atlassian.net include:spf.protection.outlook.com include:spf.email.azure.com include:spf.sendinblue.com ~all
- cisco-ci-domain-verification=6745b8107d50682a233ef24fcd5095c315309a3f3393cb46d5e104b817394d3b
- 393d3b2a720c8ed56bad6499c9836b57
- Sendinblue-code:86991483e0774ae91776aed60fb82e26
- atlassian-sending-domain-verification=4ef257ce-288b-484e-92b5-26342142e07b
- ifLy6KJXm7imS/0npLEstMJWT4qq8anxKWoFu4JQiC5/XiSlb4VPckXP5hGoalkc9MDJnlpTbW/t8x6jKnnvTw==
- ZOOM_verify_r6Uj7fkeeO4SQQgFdoQR1O
- jamf-site-verification=IA2Fdo1axLyaAIGRbMVoQQ
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