Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
labtek-inst.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 04:21:46 UTC · ↺ Refresh
MX Hostnames
- mx.263.net
- mxw.263.net
MX Priorities
- mx.263.net: 10
- mxw.263.net: 5
A / AAAA Records
- 35.214.113.11 ↩ 11.113.214.35.bc.googleusercontent.com
Mail Server IPs
- 38.83.106.84 ↩ us-mx1.263.net
- 38.83.106.85 ↩ us-mx2.263.net
- 143.110.227.31 (no PTR)
- 164.92.126.242 (no PTR)
SOA Record
Raw SOA
ns1.siteground.net dnsadmin.uk73.siteground.eu 2021011053 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@uk73.siteground.eu
Serial
2021011053
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.siteground.net
ns2.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 +a +a:uk73.siteground.eu +mx include:spf.263.net include:labtek-inst.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ 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
1 record- SPFv=spf1 +a +a:uk73.siteground.eu +mx include:spf.263.net include:labtek-inst.com.spf.auto.dnssmarthost.net -all
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