Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
rk-int.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 11:25:29 UTC · ↺ Refresh
MX Hostnames
- inbound30.exchangedefender.com
MX Priorities
- inbound30.exchangedefender.com: 10
A / AAAA Records
- 20.77.41.58 ↩ veritas.uksouth.cloudapp.azure.com
Mail Server IPs
- 65.99.255.128 ↩ xd3.exchangedefender.com
- 65.99.255.233 ↩ inbound.vfo.exchangedefender.com
SOA Record
Raw SOA
ns1.livedns.co.uk administrator.rk-int.com 1544548190 10800 3600 604800 3600
Primary NS (mname)
ns1.livedns.co.uk
Admin Email (rname)
administrator@rk-int.com
Serial
1544548190
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.livedns.co.uk
ns1.livedns.co.uk
ns2.livedns.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:proxy.exchangedefender.com ip4:62.249.199.34 ip4:185.207.109.88 ip4:94.136.36.143 include:sendgrid.net include:gatormail.co.uk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- _globalsign-domain-verification=uT9jUP2KbO5WOWKPqavuMQZF9870nPqbFQsFAE4be6
- MS=ms94953703
- _globalsign-domain-verification=lhy4h4R1q1Pc8JYTNT1ARuH05s9NzblaaKbJvmxYVq
- _globalsign-domain-verification=qtqQpax3gjBzZOxYTLpB263nkbQD8hOh3xKNO-IkXk
- SPFv=spf1 include:proxy.exchangedefender.com ip4:62.249.199.34 ip4:185.207.109.88 ip4:94.136.36.143 include:sendgrid.net include:gatormail.co.uk -all
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