Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smklein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 11:28:27 UTC · ↺ Refresh
MX Hostnames
- mail.dextermedia.de
MX Priorities
- mail.dextermedia.de: 10
A / AAAA Records
- 85.236.47.133 ↩ mail2.dextermedia.de
Mail Server IPs
- 85.236.47.137 ↩ mail.dextermedia.de
- 2001:4178:2:1147:85:236:59:180 ↩ mail.dextermedia.de
SOA Record
Raw SOA
dns01.ns15.net hostmaster.dextermedia.net.smklein.de 2024123100 10800 3600 604800 180
Primary NS (mname)
dns01.ns15.net
Admin Email (rname)
hostmaster@dextermedia.net.smklein.de
Serial
2024123100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
dns04.ns15.net
dns02.ns15.net
dns03.ns15.net
dns01.ns15.net
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- 201805221226053emdm82tijbr25k629razpv3xwuuv132xndmrvfvoe8q980202
- 201904220031141qlvqwb4dquvqcn88tcbct3zqmos40sgfdo8wuauwbrb9p7p07
- 201904220031112wz4i168orobhooei7hewcp88p892bz5mljupxiiy111oqj3v2
- SPFv=spf1 mx -all
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