Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grenzpost.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:37:23 UTC · ↺ Refresh
MX Hostnames
- mail.grenzpost.de
MX Priorities
- mail.grenzpost.de: 10
A / AAAA Records
- 159.195.74.230 ↩ v220260315650442973.powersrv.de
Mail Server IPs
- 178.254.35.36 ↩ mail.lieferadresse-jestetten.de
SOA Record
Raw SOA
ns01.1blu.de hostmaster.1blu.de 2026032204 43200 5400 604800 14400
Primary NS (mname)
ns01.1blu.de
Admin Email (rname)
hostmaster@1blu.de
Serial
2026032204
Refresh
43200s
Retry
5400s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
ns02.1blu.de
ns01.1blu.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:178.254.4.101 ip4:178.254.0.201 ip4:178.254.0.202 ip4:178.254.0.203 ip4:178.254.0.204 ip4:178.254.0.205 ip4:178.254.0.206 ip4:178.254.0.207 ip4:178.254.0.208 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx ip4:178.254.4.101 ip4:178.254.0.201 ip4:178.254.0.202 ip4:178.254.0.203 ip4:178.254.0.204 ip4:178.254.0.205 ip4:178.254.0.206 ip4:178.254.0.207 ip4:178.254.0.208 -all
- google-site-verification=d240TUlkmJv2QIMJKDtKovmfJ9wi_YmF1M6n1flOrh4
Full email verification for grenzpost.de
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