Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibbhotels.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 10:39:20 UTC · ↺ Refresh
MX Hostnames
- ibbhotels-com.mail.protection.outlook.com
MX Priorities
- ibbhotels-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.25.20 (no PTR)
- 172.67.222.5 (no PTR)
- 2606:4700:3034::6815:1914
- 2606:4700:3035::ac43:de05
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
dan.ns.cloudflare.com dns.cloudflare.com 2398030273 10000 2400 604800 1800
Primary NS (mname)
dan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398030273
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elsa.ns.cloudflare.com
dan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.129.214.199 include:serenata-nethotel.com include:spf.protection.outlook.com include:spf.nextguest.app include:_spf.smtp.com include:mailgun.org -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; rf=afrf
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 ip4:62.129.214.199 include:serenata-nethotel.com include:spf.protection.outlook.com include:spf.nextguest.app include:_spf.smtp.com include:mailgun.org -all
- zone-ownership-verification-bbff719cf610e9c2d1de680db1dcf6e3e02d6c3dd1eafe852fd1df55c83f008b
- zone-ownership-verification-c79258e156dfe1b5aad2a97bbff422d0afca2a478c25659fb7ed7227d2964fda
- MS=ms88602309
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