Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smartoptics.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:40:16 UTC · ↺ Refresh
MX Hostnames
- smartoptics-com.mail.protection.outlook.com
MX Priorities
- smartoptics-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.167.56.109 ↩ server-3-167-56-109.iad61.r.cloudfront.net
- 3.167.56.35 ↩ server-3-167-56-35.iad61.r.cloudfront.net
- 3.167.56.66
- 3.167.56.57
- 2600:9000:2801:1400:d:97eb:4200:93a1
- 2600:9000:2801:ae00:d:97eb:4200:93a1
- 2600:9000:2801:5e00:d:97eb:4200:93a1
- 2600:9000:2801:ee00:d:97eb:4200:93a1
- 2600:9000:2801:2800:d:97eb:4200:93a1
- 2600:9000:2801:7800:d:97eb:4200:93a1
- 2600:9000:2801:2600:d:97eb:4200:93a1
- 2600:9000:2801:800:d:97eb:4200:93a1
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
harmony.ns.cloudflare.com dns.cloudflare.com 2399959519 10000 2400 604800 1800
Primary NS (mname)
harmony.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399959519
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
harmony.ns.cloudflare.com
yew.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:94.237.125.125 ip4:5.22.208.95 include:spf.protection.outlook.com include:sendgrid.net include:_vsp.oderland.com include:2118498.spf03.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- 431e912bef07f61de2a37e7623b96d63544e81eaf2fa5e0d42f1a800ca791136
- 2cb6dd19d3a9423eb1aeae2ec687da4aad034352fb1442c5378001ec0d6b9e6d
- _globalsign-domain-verification=PcdAFf6FxxyeoOWrZU5P9mkIYlsJW4PhH2pHLGOdgH
- MS=ms53426978
- apple-domain-verification=gq5aFY-_CJV4WDU6dlt_P5esKQP643njbgxlK8Hxzzw
- openai-domain-verification=dv-EgITCZiSEPNvgW1pn8d5Jhlf
- _globalsign-domain-verification=N-AkDuufId5vgD0heKXrjmLpY_SC3zs3tHCLxxbnKZ
- SPFv=spf1 ip4:94.237.125.125 ip4:5.22.208.95 include:spf.protection.outlook.com include:sendgrid.net include:_vsp.oderland.com include:2118498.spf03.hubspotemail.net -all
- atlassian-domain-verification=8EohqsiAhxVS1s7xAGl1gkbB1heouz9cQZr08AQJT4vI5VBkgR9mvMy9qYBBwEGl
- _globalsign-domain-verification=aGjRc7Y2b-jFM-kq6PStyEnlQnyFD-VHI_SFwNfzUU
- _globalsign-domain-verification=OYz2FkutCx7Csk8Tmn8hMlOiPMkH7YKnlJ3TOe3QY_
- google-site-verification=LTV7yz-SUgcFeDUssruXzVKn_Fe-kHLHDo_0HIRCVwE
- _globalsign-domain-verification=V7gyOiWh67YjzW5nqpqXNKbFmKhGBKUudoJ5TaNSWg
- 2t4uncbqi44b2vrst68dltka6p
Full email verification for smartoptics.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits