Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hmt-rostock.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 19:12:16 UTC · ↺ Refresh
MX Hostnames
- b1951.mx.srv.dfn.de
- a1951.mx.srv.dfn.de
- c1951.mx.srv.dfn.de
MX Priorities
- b1951.mx.srv.dfn.de: 10
- c1951.mx.srv.dfn.de: 10
- a1951.mx.srv.dfn.de: 10
A / AAAA Records
- 141.53.15.120 ↩ hsmv.rz.uni-greifswald.de
Mail Server IPs
- 194.95.234.144 ↩ b1951.mx.srv.dfn.de
- 194.95.238.144 ↩ c1951.mx.srv.dfn.de
- 194.95.232.144 ↩ a1951.mx.srv.dfn.de
SOA Record
Raw SOA
a.ns14.net hostmaster.baltic.net 2025111801 18000 3600 604800 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@baltic.net
Serial
2025111801
Refresh
18000s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
a.ns14.net
b.ns14.net
d.ns14.net
ringo.ns.uni-rostock.de
george.ns.uni-rostock.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.174.157.200 ip4:193.174.157.201 ip4:193.174.157.202 ip4:193.174.157.249 ip4:193.174.157.250 ip4:193.174.157.251 ip4:193.174.157.252 ip4:193.189.247.12 ip4:62.52.1.20 include:amazonses.com include:spf.brevo.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
mail._domainkey
s1._domainkey
✓ Public key: 216 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
2 records- brevo-code:5e421dad4fcd48ca433dbe696a05d05c
- SPFv=spf1 ip4:193.174.157.200 ip4:193.174.157.201 ip4:193.174.157.202 ip4:193.174.157.249 ip4:193.174.157.250 ip4:193.174.157.251 ip4:193.174.157.252 ip4:193.189.247.12 ip4:62.52.1.20 include:amazonses.com include:spf.brevo.com -all
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