Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hs-furtwangen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:06:20 UTC · ↺ Refresh
MX Hostnames
- a2901.mx.srv.dfn.de
- b2901.mx.srv.dfn.de
- c2901.mx.srv.dfn.de
MX Priorities
- b2901.mx.srv.dfn.de: 10
- a2901.mx.srv.dfn.de: 10
- c2901.mx.srv.dfn.de: 20
A / AAAA Records
- 141.28.1.12 ↩ www.hs-furtwangen.de
Mail Server IPs
- 194.95.235.81 ↩ b2901.mx.srv.dfn.de
- 194.95.233.81 ↩ a2901.mx.srv.dfn.de
- 194.95.239.81 ↩ c2901.mx.srv.dfn.de
SOA Record
Raw SOA
ib1.intra.hs-furtwangen.de netzadmin.hs-furtwangen.de 2149706191 1800 1800 9676800 900
Primary NS (mname)
ib1.intra.hs-furtwangen.de
Admin Email (rname)
netzadmin@hs-furtwangen.de
Serial
2149706191
Refresh
1800s
Retry
1800s
Expire
9676800s
Minimum TTL
900s
Nameservers (NS)
dns1.belwue.de
dns3.belwue.de
dns5.belwue.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org include:spf.de.umantis.com include:_spf.o290.mx.srv.dfn.de include:spf.hostsharing.net include:vst.hs-furtwangen.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
mail._domainkey
k1._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
9 records- MS=ms31440678
- bw=nmuXHHFY54KZ0VCKhUkzJrZwvuIIe7poPSvTfdvpgCgk
- MS=7AD20DBA96C669DCEDCE46D44D9B7639E49997DE
- MS=DFA4E1A493C1FED63EA9605E95E62D2CF5F93441
- google-gws-recovery-domain-verification=52818883
- MS=ms28848881
- google-site-verification=GQVQ-c3ojz6HlraSexfWLcDit0LcLyW_t-rhA7D8is4
- SPFv=spf1 include:mailbox.org include:spf.de.umantis.com include:_spf.o290.mx.srv.dfn.de include:spf.hostsharing.net include:vst.hs-furtwangen.de ~all
- google-site-verification=2mjKdSLCs8K8l-PoPk_CZBn7NmQiFO-IkDck4puP-yg
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