Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
geomar.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 13:17:41 UTC · ↺ Refresh
MX Hostnames
- b1501.mx.srv.dfn.de
- a1501.mx.srv.dfn.de
- c1501.mx.srv.dfn.de
MX Priorities
- c1501.mx.srv.dfn.de: 10
- a1501.mx.srv.dfn.de: 10
- b1501.mx.srv.dfn.de: 10
A / AAAA Records
- 37.120.188.33 ↩ v2202309153808239164.powersrv.de
Mail Server IPs
- 194.95.238.87 ↩ c1501.mx.srv.dfn.de
- 194.95.232.87 ↩ a1501.mx.srv.dfn.de
- 194.95.234.87 ↩ b1501.mx.srv.dfn.de
SOA Record
Raw SOA
ddi01.geomar.de hostmaster.geomar.de 2021073445 21600 3600 604800 172800
Primary NS (mname)
ddi01.geomar.de
Admin Email (rname)
hostmaster@geomar.de
Serial
2021073445
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
172800s
Nameservers (NS)
dns-2.dfn.de
dns-3.dfn.de
dns-1.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:212.201.155.0/24 include:_spf.o150.mx.srv.dfn.de include:spf.protection.outlook.com include:spf.crsend.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- atlassian-domain-verification=bCagtWOUSD0ttMja0ntm/MmsGf98lFeJtCGSaMU6Advat/t5JEUWOk0Je1689a/V
- cisco-ci-domain-verification=5d96aceb5bf87289cfe2b3ec00930a58f9355979335ea8a3457bd3572c137d0c
- SPFv=spf1 mx ip4:212.201.155.0/24 include:_spf.o150.mx.srv.dfn.de include:spf.protection.outlook.com include:spf.crsend.com ~all
- sophos-domain-verification=8a0454049e337100e481491e2dfb6f0023b7c9b8ddcf35b1069b9c0a47350aa5
- miro-verification=36f7bedca5a240b6250d0f10e651bdb243ae2a9b
- HARICA-nZ4g00Ee1Woq6kQtOw0
- MS=ms60749358
- google-site-verification=i9-6iGz8AmXaRwlSCn82naXaJR0YAtUU4ADmZGP2ba4
- adobe-idp-site-verification=5f9bfba5ff21f4584d98b3d7445d6f2ba57e7e0d00124f97145b6efdbe1f8026
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