Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
htt-trafo.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 14:59:58 UTC · ↺ Refresh
MX Hostnames
- htttrafo-de0i.mail.protection.outlook.com
MX Priorities
- htttrafo-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 213.239.237.45 ↩ vm231.iossol.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.iossol.de hostmaster.iossol.de 2025030107 28800 7200 604800 86400
Primary NS (mname)
ns1.iossol.de
Admin Email (rname)
hostmaster@iossol.de
Serial
2025030107
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.iossol.de
ns2.iossol.de
ns1.iossol.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a a:s344697.iossol.de a:mailserver.htt-trafo.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- 2018052307090669b9cce3qex6auzmj9bbmfbx5bli79sw4x6wrganepu2sas9mz
- google-site-verification=lfkmK3ZZdlpW5F0_d_m0qZ-IY1oey2amVRmX7ovOIyQ
- MS=ms66804440
- SPFv=spf1 mx a a:s344697.iossol.de a:mailserver.htt-trafo.de include:spf.protection.outlook.com ~all
Full email verification for htt-trafo.de
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