Domain Overview
DNS: ✓ 3h ago
Checker: ✓ 3h ago
horizonsoptical.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 04:05:04 UTC · ↺ Refresh
MX Hostnames
- horizonsoptical-com.mail.protection.outlook.com
MX Priorities
- horizonsoptical-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.50 (no PTR)
- 199.60.103.150 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.ilimit.net alertesbackup.ilimit.net 2026052100 3600 1800 1209600 86400
Primary NS (mname)
dns1.ilimit.net
Admin Email (rname)
alertesbackup@ilimit.net
Serial
2026052100
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns2.ilimit.net
dns3.ilimit.net
dns1.ilimit.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:80.94.2.107 ip4:80.94.2.102 ip4:80.94.2.104 include:ilimit.es +a +mx +ip4:80.94.2.70 +include:spf.protection.outlook.com +include:scs.indo.es +include:mail.indo.es +include:144942749.spf03.hubspotemail.net +include:spf.eu.signature365.net -all
📊 DNS lookups: 8/10
✓ 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
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
5 records- SPFv=spf1 ip4:80.94.2.107 ip4:80.94.2.102 ip4:80.94.2.104 include:ilimit.es +a +mx +ip4:80.94.2.70 +include:spf.protection.outlook.com +include:scs.indo.es +include:mail.indo.es +include:144942749.spf03.hubspotemail.net +include:spf.eu.signature365.net -all
- google-site-verification=jLM1or_rWEZxSMvvCJDC603lLu35UH0Z1m4lKqNoTPI
- MS=ms10987876
- google-site-verification=gzK9OCJK1EKX0nuA1UHB1-uFZZ38YoVCqY8nsvF8VMA
- MS=ms17665105
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