Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tmcontract.co.uk
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 22:25:30 UTC · ↺ Refresh
MX Hostnames
- SMTP.GOOGLE.COM
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 185.151.30.190 ↩ 185-151-30-190.ptr4.stackcp.net
- 2a07:7800::190
Mail Server IPs
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
SOA Record
Raw SOA
ns1.stackdns.com hostmaster.stackdns.com 1747288823 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1747288823
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns2.stackdns.com
ns1.stackdns.com
ns3.stackdns.com
ns4.stackdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.stackmail.com -all
📊 DNS lookups: 2/10
✓ 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
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf.google.com include:spf.stackmail.com -all
- google-site-verification=H9MgfKcs-cD-XZUx5dnX4gxd8l4RlnATCfzwlxeND-s
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