Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jrt-memos.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 01:52:26 UTC · ↺ Refresh
MX Hostnames
- mxwcom.263xmail.com
- mxcom.263xmail.com
MX Priorities
- mxwcom.263xmail.com: 5
- mxcom.263xmail.com: 10
A / AAAA Records
- 120.79.185.200 (no PTR)
Mail Server IPs
- 38.83.106.85 ↩ us-mx2.263.net
- 164.92.126.242 (no PTR)
- 38.83.106.84 ↩ us-mx1.263.net
- 143.110.227.31 (no PTR)
SOA Record
Raw SOA
ns1.cnolnic.com root.cnolnic.net 2006112401 10800 3600 604800 86400
Primary NS (mname)
ns1.cnolnic.com
Admin Email (rname)
root@cnolnic.net
Serial
2006112401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.cnolnic.com
ns1.cnolnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.263xmail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.263xmail.com ~all
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