Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
transvalocean.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-22 19:29:07 UTC · ↺ Refresh
MX Hostnames
- d204802.a.ess.uk.barracudanetworks.com
- d204802.b.ess.uk.barracudanetworks.com
MX Priorities
- d204802.b.ess.uk.barracudanetworks.com: 20
- d204802.a.ess.uk.barracudanetworks.com: 10
A / AAAA Records
- 185.151.30.159 ↩ 185-151-30-159.ptr4.stackcp.net
Mail Server IPs
- 18.133.136.186 ↩ mail.ess.uk.barracuda.com
- 18.133.136.187 ↩ mail.ess.uk.barracuda.com
- 18.133.136.188 ↩ mail.ess.uk.barracuda.com
SOA Record
Raw SOA
ns1-04.azure-dns.com hostmaster.vsl-net.com 2018100138 28800 7200 1209600 3600
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
hostmaster@vsl-net.com
Serial
2018100138
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 ip4:35.176.92.96/27 include:spf.ess.barracudanetworks.com include:spf.vsl-net.com include:spf.ess.uk.barracudanetworks.com include:spfuk.rocketseed.com include:spf-uk.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ 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
✗ 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
9 records- nxdznq3wbyln9tmtz0pdjzxcs2tzr47w
- 2104c57980ba330592d2251032c71075
- MS=ms12905878
- MS=ms23264220
- MS=ms84425567
- MS=ms90218799
- SPFv=spf1 ip4:35.176.92.96/27 include:spf.ess.barracudanetworks.com include:spf.vsl-net.com include:spf.ess.uk.barracudanetworks.com include:spfuk.rocketseed.com include:spf-uk.emailsignatures365.com -all
- knowbe4-site-verification=6487a7a587c020aab694fe34bc633220
- BPL=4261364
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