Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coll.mpg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 20:52:22 UTC · ↺ Refresh
MX Hostnames
- mail.coll.mpg.de
- mail2.coll.mpg.de
MX Priorities
- mail.coll.mpg.de: 15
- mail2.coll.mpg.de: 20
A / AAAA Records
- 134.76.31.205 ↩ site.cms.mpg.de
Mail Server IPs
- 195.37.116.9 ↩ mail.coll.mpg.de
- 195.37.116.8 (no PTR)
SOA Record
Raw SOA
arachne.mpim-bonn.mpg.de operator.mpim-bonn.mpg.de 2026022401 25008 5000 2000000 8000
Primary NS (mname)
arachne.mpim-bonn.mpg.de
Admin Email (rname)
operator@mpim-bonn.mpg.de
Serial
2026022401
Refresh
25008s
Retry
5000s
Expire
2000000s
Minimum TTL
8000s
Nameservers (NS)
dns1.gwdg.de
dns2.gwdg.de
dns3.gwdg.de
arachne.mpim-bonn.mpg.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:195.37.116.9 ip4:195.37.116.8 a:mail.coll.mpg.de a:mail2.coll.mpg.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- cisco-ci-domain-verification=3ed457fbdb726b4f9718cdfc43bdcf7fea4a6071f6fae1e11e06b156a47c90da
- MS=ms41537683
- brevo-code:0123d6ad860244749ba388bd5e62bbe7
- SPFv=spf1 ip4:195.37.116.9 ip4:195.37.116.8 a:mail.coll.mpg.de a:mail2.coll.mpg.de ~all
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