sk-installation.at

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
sk-installation.at
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-10 14:14:16 UTC · ↺ Refresh

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MX Hostnames

  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • mail.sk-installation.at
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 15
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 25
  • alt4.aspmx.l.google.com: 40
  • mail.sk-installation.at: 10
  • alt3.aspmx.l.google.com: 30

A / AAAA Records

  • 81.19.159.53 ↩ www53sni.world4you.com

Mail Server IPs

  • 142.251.167.27 ↩ ww-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net
  • 81.19.149.84 ↩ mail29.world4you.com

SOA Record

Raw SOA ns1.world4you.at hostmaster.world4you.com 2025032720 10800 3600 604800 3600
Primary NS (mname)
ns1.world4you.at
Admin Email (rname)
hostmaster@world4you.com
Serial
2025032720
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.world4you.at
ns1.world4you.at

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.w4ymail.at include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • google-site-verification=XixwEIcLQJVt2aYrm5uePXEgMk-c4-5dO8giVQ5Fed4
  • google-gws-recovery-domain-verification=75930820
  • google-gws-recovery-domain-verification=75737832
  • google-gws-recovery-domain-verification=75930142
  • SPFv=spf1 mx include:spf.w4ymail.at include:_spf.google.com -all
  • MS=B65A904907726BFEFEDF77CFB3B1C98570F10B40
  • google-gws-recovery-domain-verification=75891999
  • google-gws-recovery-domain-verification=76129230
  • google-gws-recovery-domain-verification=75723617
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