bookish.es

Valid Email Server
Domain Lookup › bookish.es
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
bookish.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 10:00:12 UTC · ↺ Refresh

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MX Hostnames

  • bookish-es.mail.protection.outlook.com

MX Priorities

  • bookish-es.mail.protection.outlook.com: 100

A / AAAA Records

  • 104.21.88.129 (no PTR)
  • 172.67.179.98 (no PTR)
  • 2606:4700:3035::ac43:b362
  • 2606:4700:3036::6815:5881

Mail Server IPs

  • 52.101.91.1 ↩ mail-ma4p292cu00201.inbound.protection.outlook.com
  • 52.101.91.0 ↩ mail-ma2p292cu00400.inbound.protection.outlook.com
  • 52.101.91.2 ↩ mail-ma3p292cu00202.inbound.protection.outlook.com
  • 52.101.91.3 ↩ mail-ma2p292cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::3 ↩ mail-ma2p292cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca21:: ↩ mail-ma2p292cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::1 ↩ mail-ma4p292cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::2 ↩ mail-ma3p292cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA art.ns.cloudflare.com dns.cloudflare.com 2415440303 10000 2400 604800 1800
Primary NS (mname)
art.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415440303
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

art.ns.cloudflare.com
deborah.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.elasticemail.com include:_spf.firebasemail.com include:mail.zendesk.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;pct=100; rua=mailto:[email protected];adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
default._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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.elasticemail.com include:_spf.firebasemail.com include:mail.zendesk.com -all
  • MS=6C9577BF21F02BB7F476375DC334C45D78AC91B3
  • MS=ms26409109
  • firebase=bookish-app-pro
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