Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dbb.su.se
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 21:54:57 UTC · ↺ Refresh
MX Hostnames
- mailfilter-ng-4.sunet.se
- mailfilter-ng-3.sunet.se
- mailfilter-ng-2.sunet.se
- mailfilter-ng-1.sunet.se
MX Priorities
- mailfilter-ng-3.sunet.se: 10
- mailfilter-ng-2.sunet.se: 20
- mailfilter-ng-1.sunet.se: 10
- mailfilter-ng-4.sunet.se: 10
A / AAAA Records
- 185.84.52.158 (no PTR)
Mail Server IPs
- 192.36.171.200 ↩ mailfilter-ng-3.sunet.se
- 2001:6b0:8:2::200 ↩ mailfilter-ng-3.sunet.se
- 89.45.235.13 ↩ mailfilter-89-45-235-13.instance.cloud.sunet.se
- 192.36.171.207 ↩ mailfilter-ng-1.sunet.se
- 2001:6b0:8:2::207 ↩ mailfilter-ng-1.sunet.se
- 89.45.235.5 ↩ mailfilter-89-45-235-5.instance.cloud.sunet.se
SOA Record
Raw SOA
ipam.su.se hostmaster.su.se 1196 14400 3600 1555200 300
Primary NS (mname)
ipam.su.se
Admin Email (rname)
hostmaster@su.se
Serial
1196
Refresh
14400s
Retry
3600s
Expire
1555200s
Minimum TTL
300s
Nameservers (NS)
ns2.su.se
ns3.su.se
ns1.su.se
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=su.se
📊 DNS lookups: 1/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=5C7125D100944D68B56D4045A7C50E6D016A343B
- ZOOM_verify_FJ0M9y_jR2yGhAqTuwVNnQ
- adobe-idp-site-verification=ac6fe83affe4f7cbe13d862cc38c401053df2886f83126d647a3aa61c8f0d514
- SPFv=spf1 redirect=su.se
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