Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ringcontainer.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 10:43:59 UTC · ↺ Refresh
MX Hostnames
- d266783a.ess.barracudanetworks.com
- d266783b.ess.barracudanetworks.com
MX Priorities
- d266783a.ess.barracudanetworks.com: 10
- d266783b.ess.barracudanetworks.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns33.worldnic.com namehost.worldnic.com 126012617 10800 3600 604800 3600
Primary NS (mname)
ns33.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012617
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns33.worldnic.com
ns34.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.104.223.6 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- MS=ms56744870
- kf6e3iera1uc086t8s10jfvis0
- SPFv=spf1 ip4:12.104.223.6 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- https://linkprotect.cudasvc.com/url?a=https%3a%2f%2f_pki-validation.domain.com&c=E,1,h_4310mwfvvJ5dmfJtJZGnNX5yFHjQVaRmJNnz7JUCE-ZSOCAOu4hnqE_7C39aT2ZZkBlurNh506gfXx2OWZ0cVCGcnxzdkiqG5PCAZKl9lKlyU2-CYVvw,,&typo=1
- apple-domain-verification=tUorMkDfX3KQ1SAU
- adobe-idp-site-verification=0ecfea45bec5bfb82077f7988ccd5457f4deca3e3ceeb614a9cab2c986877945
- 9yl5mumDL57n/+yZMB9GpqKiCSolQFzJ/Nb3QW2uKFPPxoX+/MqHoX4KAJuuSgDGmjCpRBooH+92wDl+c0nhoQ==
- infor-cloudsuite-domain-verification=DSB46HGTUWLXUYM8J9QGCGYV5BSZJBLZHKJAFMDCYBYXHNWRMPPSFYF3DN83GMKR
- cisco-ci-domain-verification=60a0b4f5d4f3054ecc67e4863b721a5671aff3e221510ee3e123944710d52c4a
- 56AD9E4E09
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