Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
casadellibro.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:50:38 UTC · ↺ Refresh
MX Hostnames
- poster4i.iberlayer.com
- poster2i.iberlayer.com
- poster1i.iberlayer.com
- poster3i.iberlayer.com
MX Priorities
- poster4i.iberlayer.com: 20
- poster2i.iberlayer.com: 30
- poster3i.iberlayer.com: 40
- poster1i.iberlayer.com: 10
A / AAAA Records
- 212.0.104.156
Mail Server IPs
- 80.169.225.56 ↩ luna2.iberlayer.com
- 80.169.225.37 ↩ fobos.iberlayer.com
- 80.169.225.36 ↩ luna.iberlayer.com
- 80.169.225.57 ↩ luna3.iberlayer.com
- 80.169.225.38 ↩ deimos.iberlayer.com
- 185.136.219.26 ↩ palas.iberlayer.com
- 185.136.218.5 ↩ hebe.iberlayer.com
- 130.117.89.30 ↩ mercurio2.iberlayer.com
- 130.117.89.6 ↩ marte.iberlayer.com
- 130.117.89.4 ↩ mercurio.iberlayer.com
- 130.117.89.21
- 130.117.89.5
- 130.117.89.26
SOA Record
Raw SOA
ns1.dominioabsoluto.com hostmaster.ns1.dominioabsoluto.com 1779346238 14400 3600 604800 7200
Primary NS (mname)
ns1.dominioabsoluto.com
Admin Email (rname)
hostmaster@ns1.dominioabsoluto.com
Serial
1779346238
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns1.acens.net
ns2.dominioabsoluto.com
ns1.dominioabsoluto.com
ns2.acens.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.97.114.96/27 ip4:212.0.104.128/27 ip4:217.111.232.192/27 ip4:62.97.118.180 a:email-smtp.eu-west-1.amazonaws.com include:spf.planeta.es include:spf.emsecure.net include:em4690.casadellibro.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 155 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- google-site-verification=OLib3FMIRcDq7rIDWwajFsSv-2ePeBvIHCDX2hjxVuQ
- _vwej9x6hehrn350g4dqar7wvmj7z8du
- google-site-verification=zYimvGmgbeOWfu9N6-qJ7BT_Md3X5yt8iFxdrTJoA6w
- _j2siz9hdyn0rcnvb9sj27iicd0l3a3k
- _hd99bwp7ohjrybzpvdvgey94h7tngtc
- MS=ms20429974
- facebook-domain-verification=kuxodnogcxh8fl23akcf3vcs22kui2
- _k659fl22j11nrypn1ci60ipunolonn4
- openai-domain-verification=dv-pDen9sHs3vQUpjqCf3MTSoTp
- SPFv=spf1 ip4:62.97.114.96/27 ip4:212.0.104.128/27 ip4:217.111.232.192/27 ip4:62.97.118.180 a:email-smtp.eu-west-1.amazonaws.com include:spf.planeta.es include:spf.emsecure.net include:em4690.casadellibro.com -all
- knowbe4-site-verification=4249647ee99b281868a36d1f6cc6207a
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