Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
calb-tech.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-18 03:38:16 UTC · ↺ Refresh
MX Hostnames
- mx.spamgateway.cn
- mx01.calb-tech.com
- mx02.calb-tech.com
MX Priorities
- mx02.calb-tech.com: 8
- mx.spamgateway.cn: 10
- mx01.calb-tech.com: 5
A / AAAA Records
- 123.59.154.172 (no PTR)
Mail Server IPs
- 122.195.69.13 ↩ mail.calb-tech.com
- 103.37.40.237 (no PTR)
- 103.37.40.238 (no PTR)
- 122.195.69.10 ↩ mail.calb-tech.com
SOA Record
Raw SOA
f1g1ns1.dnspod.net freednsadmin.dnspod.com 1751527909 3600 180 1209600 180
Primary NS (mname)
f1g1ns1.dnspod.net
Admin Email (rname)
freednsadmin@dnspod.com
Serial
1751527909
Refresh
3600s
Retry
180s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
f1g1ns1.dnspod.net
f1g1ns2.dnspod.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:122.195.69.10 ip4:122.195.69.13 include:spf.mailrelay.cn -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=4FFA597CE90F5EB6FABBF02C71E66CCDC1E7AFB8
- SPFv=spf1 ip4:122.195.69.10 ip4:122.195.69.13 include:spf.mailrelay.cn -all
- MS=ms43106147
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