Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esc20.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 06:29:36 UTC · ↺ Refresh
MX Hostnames
- d229572b.ess.barracudanetworks.com
- d229572a.ess.barracudanetworks.com
MX Priorities
- d229572b.ess.barracudanetworks.com: 1
- d229572a.ess.barracudanetworks.com: 0
A / AAAA Records
- 104.18.190.233 (no PTR)
- 104.16.158.133 (no PTR)
- 104.16.159.133 (no PTR)
- 104.18.189.233 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns-1394.awsdns-46.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1394.awsdns-46.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-588.awsdns-09.net
ns-1394.awsdns-46.org
ns-1934.awsdns-49.co.uk
ns-505.awsdns-63.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:u21088633.wl134.sendgrid.net include:_spf.esc20.net include:spf.protection.outlook.com include:docebosaas.com include:secureserver.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- MS=ms90093426
- asv=d7a7e925c9e763840795e108f9df0bbc
- google-site-verification=QG-nfnDIorbXA09NZMMrFmdzT3Eymyy1i5a7D5lJpD8
- duo_sso_verification=nfWmEhjjGyxN5wxBjLnuIhrCtCvpKaXNfz8Y5MS9QetDlsr6MaJJu5OiPqQLhOiV
- google-site-verification=m6Z-N3JjKf19YaBXTKVQQAvTdTZvZ6JpqVlY-jVzpcc
- solarwinds-service0desk-verification=70e54fbd159685e02258c1dd74ffbf57
- J/dY3UvOaM0m1y9FBMBKw73yI1cuQr1wWnjQqu2DFO4RezS2PzdstLMp8VzdgQ8DEN+lD1XHQzE/qYdD1cA+6w==
- 1password-site-verification=Y76MJ6HPSZBB7EJK243DKQAR2Y
- adobe-idp-site-verification=4dc58ca78db3872594ea4c538e92f86677286c03f2bea05b33c3e81f6946ef27
- solarwinds-service0desk-verification=f58de7af42e2d0ee35e306e34c63a567
- cisco-site-verification=30c62374-7ee3-422c-8628-994938248565
- google-site-verification=iK2jJ0Lj8AMOWRrSMZjp8JHCjvFAiz1NL5RUdUYvq9c
- adobe-idp-site-verification=a54b65714ad25f6333cd4a7474433f3d07f43d5071406a6f778630819b4319aa
- ciscocidomainverification=389653589a99bba139a5cac1cf74decfc8b4e3fa708acd0c11006f46c31ce665
- apple-domain-verification=u0mVQeDU2KiatMhD
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:u21088633.wl134.sendgrid.net include:_spf.esc20.net include:spf.protection.outlook.com include:docebosaas.com include:secureserver.net -all
- MS=ms59515444
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