Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aldtt-mexico.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 08:58:13 UTC · ↺ Refresh
MX Hostnames
- s035.ald-vt.de
MX Priorities
- s035.ald-vt.de: 10
A / AAAA Records
- 81.169.145.65 ↩ w01.rzone.de
- 2a01:238:20a:202:1065:: ↩ w01.rzone.de
Mail Server IPs
- 4.185.47.254 ↩ s035.ald-vt.de
SOA Record
Raw SOA
shades20.rzone.de hostmaster.strato-rz.de 2020051621 86400 7200 604800 300
Primary NS (mname)
shades20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051621
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades20.rzone.de
docks09.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.aldtt-mexico.com a:ras44.ramosarizpe.aldtt-mexico.com a:ras44.aldtt-mexico.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- duo_sso_verification=KQkrbq6QrKnhvZ1Y9FozSoTySnZCXacMT9sTssm4Pco8GMqmAmfWTg8DMQf3dIET
- SPFv=spf1 mx a:mail.aldtt-mexico.com a:ras44.ramosarizpe.aldtt-mexico.com a:ras44.aldtt-mexico.com include:spf.protection.outlook.com -all
- kdsqbgr4vsgchb6jt2p2drfu2
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