Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
helmholtz-hiri.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:51:19 UTC · ↺ Refresh
MX Hostnames
- fm.helmholtz-hzi.de
MX Priorities
- fm.helmholtz-hzi.de: 5
A / AAAA Records
- 159.69.102.144 ↩ static.144.102.69.159.clients.your-server.de
Mail Server IPs
- 193.175.244.6 (no PTR)
SOA Record
Raw SOA
dns01.helmholtz-hzi.de hostmaster.gbf.de 2026021201 10800 1800 604800 600
Primary NS (mname)
dns01.helmholtz-hzi.de
Admin Email (rname)
hostmaster@gbf.de
Serial
2026021201
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
dns-2.dfn.de
dns01.helmholtz-hzi.de
dns-1.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip6:2001:638:612:1::181 ip6:2001:638:612:1::180 ip4:159.69.102.144 ip4:193.175.244.0/24 ip4:80.67.29.31 include:_spf-dc55.sapsf.eu include:spf.mailsupport.dfn.de -all
📊 DNS lookups: 4/10
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s ;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- successfactors-site-verification=MDcyNmQ0NDU5MGU3YzYxMDhmMzBhZGVmMDM5ZmY0Nzk5ZDdkNjhkY2UzNGJkM2Y0MTQ0NTcyZWRkYjBhYzJhMA==
- SPFv=spf1 a mx ip6:2001:638:612:1::181 ip6:2001:638:612:1::180 ip4:159.69.102.144 ip4:193.175.244.0/24 ip4:80.67.29.31 include:_spf-dc55.sapsf.eu include:spf.mailsupport.dfn.de -all
- HARICA-l1r4QvsLQM5gAGUtLQg
- adobe-idp-site-verification=31d7093bbbac0254bf74ca889834cac08fe40c675b6c23b92b2f116f902ae9da
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