Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alcon.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 22:54:57 UTC · ↺ Refresh
MX Hostnames
- alcon-com.mail.protection.outlook.com
MX Priorities
- alcon-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.27.249 (no PTR)
- 104.18.26.249 (no PTR)
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ha1.markmonitor.zone hostmaster.markmonitor.com 2026032003 3600 600 604800 172800
Primary NS (mname)
ha1.markmonitor.zone
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2026032003
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
172800s
Nameservers (NS)
ha1.markmonitor.zone
ha2.markmonitor.zone
ha3.markmonitor.zone
ha4.markmonitor.zone
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=b0f5qc91._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
26 records- identrust_validate=JDVprAVF8jTSo3z4ggH64vJrNqYpdWwClkc9Ze3zKL1m
- 35gtcr2hxvs4g80z6srq1g3mjwbwjpdb
- docusign=40ebba49-ae4d-40cf-9abb-dec1b592fa08
- fcd2a3ad-1df7-4b80-a000-ba72ba756125
- docusign=82e971be-ad72-41ae-87b6-75eac4767c6b
- onetrust-domain-verification=7e7bedb7afa74cbc8d3b334a6cada390
- smartsheet-site-validation=SXvcFeFDEt4c1L73kwq6UFomG8zilL-D
- ciscocidomainverification=146e26878ec5e0895f6501df2a3c68ee3b6c88556f877188cb415425dc2308d4
- 2dbdf70a-c858-472a-992d-087898ea77dd
- DirectFedAuthUrl=https://alcon.okta.com/app/alcon_kpmgtaxdigitalgateway_1/exk1mga2i6gghkqog358/sso/saml
- _j2brm5m9w4pex1hdmzr7l0tpvoc89rf
- ZOOM_verify_eqQxIbmFhqgU4SPW8FyqNR
- docusign=cf99a62b-b1e2-4474-a2d1-84ec805a4db4
- zgb1nmxchb49xm9nkbjmzr62d3zsshxj
- google-site-verification=KWktzcFMQbJIqX8UHWzEGK5qMekmvdMYB2ClYvVy5ws
- canva-site-verification=y9J0BOJJzz83f6ic67k08Q
- identrust_validate=0iet5/kk0/ZHYytBKylRqDrg7JUmLCoOx1mRquT637XU
- onetrust-domain-verification=03d8be0039b94882a13008c3e1041dba
- vmware-cloud-verification-021fd771-6524-4a6f-9a81-05387288820d
- adobe-idp-site-verification=31ba988f903b20f14d2e215d43d40694fe80ba55a4dce32519bc9c761d9d7f2f
- SPFv=spf1 redirect=b0f5qc91._spf._d.mim.ec
- _globalsign-domain-verification=tVdVCs40EtFcHbtfINtE9aWKQFRQ7ENxR7Sr2L4_Vl
- MS=ms50410465
- facebook-domain-verification=nevq42k3g2vuwivxr742corj49rxnf
- atlassian-domain-verification=hz9H76h1Bw+D77KmUkI5oHh28tuLBnBMhjJ5l938uqwxkH2AxRELX+TnDjfwepEw
- _jablbqxtjseodrwvk94lqsmkrbtq2jy
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