Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
altstadthotel-arch.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 04:36:34 UTC · ↺ Refresh
MX Hostnames
- mx1.prointernet.com
- mx2.prointernet.com
MX Priorities
- mx2.prointernet.com: 20
- mx1.prointernet.com: 10
A / AAAA Records
- 54.36.245.160 ↩ ip160.ip-54-36-245.eu
Mail Server IPs
- 54.36.245.41 ↩ pop.prointernet.com
- 54.36.245.40 ↩ smtp.prointernet.com
SOA Record
Raw SOA
a.ns14.net support.prointernet.de 2025122907 86400 3600 604800 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
support@prointernet.de
Serial
2025122907
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
c.ns14.net
d.ns14.net
b.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:guestline.net include:roomlynx.net include:spf.prointernet.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- google-site-verification=T-rkJre6DmSGgujL-32t2mobWLw_Xqg3RL2k6YtmELI
- SPFv=spf1 a mx include:guestline.net include:roomlynx.net include:spf.prointernet.com -all
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