Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arcotelhotels.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:57:23 UTC · ↺ Refresh
MX Hostnames
- d305001.a.ess.de.barracudanetworks.com
- d305001.b.ess.de.barracudanetworks.com
MX Priorities
- d305001.a.ess.de.barracudanetworks.com: 10
- d305001.b.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 52.48.185.213 ↩ ec2-52-48-185-213.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns0.reg365.net support.reg365.net 2025010101 28800 3600 604800 3600
Primary NS (mname)
ns0.reg365.net
Admin Email (rname)
support@reg365.net
Serial
2025010101
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.reg365.net
ns0.reg365.net
ns2.reg365.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.myincert.com include:spf.protection.outlook.com include:incert-spf.arcotelhotels.com include:vb-spf.arcotelhotels.com include:bon.at-spf.arcotelhotels.com a:ee4.bookassist.com a:www4.bookassist.com ip4:176.221.43.38 ip4:167.89.19.182 include:spf.ess.de.barracudanetworks.com -all include:_spf.bookassist.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 include:spf.myincert.com include:spf.protection.outlook.com include:incert-spf.arcotelhotels.com include:vb-spf.arcotelhotels.com include:bon.at-spf.arcotelhotels.com a:ee4.bookassist.com a:www4.bookassist.com ip4:176.221.43.38 ip4:167.89.19.182 include:spf.ess.de.barracudanetworks.com -all include:_spf.bookassist.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for arcotelhotels.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits