alcon.com - robtex.com

alcon.com

DNSSEC⚠️ Not signed
A104.18.26.249 Cloudflare
A104.18.27.249 Cloudflare
NSha1.markmonitor.zone ⭐
A2001:67c:1bc::5🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD
PTRha1.markmonitor.zone
A192.174.68.5🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD
PTRha1.markmonitor.zone
NSha2.markmonitor.zone
A2620:10a:80eb::6b🇨🇦 CIRA-2
PTRha2.markmonitor.zone
A162.219.54.170🇨🇦 CIRA-2
PTRha2.markmonitor.zone
NSha3.markmonitor.zone
A2001:67c:10b8::5🇨🇭 RCODEZERO-ANYCAST-SEC2
PTRha3.markmonitor.zone
A176.97.158.5🇦🇹 RCODEZERO-ANYCAST-SEC2
PTRha3.markmonitor.zone
NSha4.markmonitor.zone
A2620:10a:80ec::6b🇨🇦 CIRA-3
PTRha4.markmonitor.zone
A162.219.55.170🇨🇦 CIRA-3
PTRha4.markmonitor.zone
MXalcon-com.mail.protection.outlook.com ⭐
TXTMS=ms50410465
TXT35gtcr2hxvs4g80z6srq1g3mjwbwjpdb
TXT_j2brm5m9w4pex1hdmzr7l0tpvoc89rf
TXTzgb1nmxchb49xm9nkbjmzr62d3zsshxj
TXTZOOM_verify_eqQxIbmFhqgU4SPW8FyqNR
TXT2dbdf70a-c858-472a-992d-087898ea77dd
TXTfcd2a3ad-1df7-4b80-a000-ba72ba756125
TXTv=spf1 redirect=b0f5qc91._spf._d.mim.ec
TXTdocusign=40ebba49-ae4d-40cf-9abb-dec1b592fa08
TXTdocusign=82e971be-ad72-41ae-87b6-75eac4767c6b
TXTdocusign=cf99a62b-b1e2-4474-a2d1-84ec805a4db4
TXTcanva-site-verification=y9J0BOJJzz83f6ic67k08Q
TXTfacebook-domain-verification=nevq42k3g2vuwivxr742corj49rxnf
TXTsmartsheet-site-validation=SXvcFeFDEt4c1L73kwq6UFomG8zilL-D
TXTonetrust-domain-verification=03d8be0039b94882a13008c3e1041dba
TXTvmware-cloud-verification-021fd771-6524-4a6f-9a81-05387288820d
TXTidentrust_validate=0iet5/kk0/ZHYytBKylRqDrg7JUmLCoOx1mRquT637XU
TXTidentrust_validate=JDVprAVF8jTSo3z4ggH64vJrNqYpdWwClkc9Ze3zKL1m
TXTgoogle-site-verification=KWktzcFMQbJIqX8UHWzEGK5qMekmvdMYB2ClYvVy5ws
TXT_globalsign-domain-verification=tVdVCs40EtFcHbtfINtE9aWKQFRQ7ENxR7Sr2L4_Vl
TXTciscocidomainverification=146e26878ec5e0895f6501df2a3c68ee3b6c88556f877188cb4...
TXTadobe-idp-site-verification=31ba988f903b20f14d2e215d43d40694fe80ba55a4dce3251...
TXTatlassian-domain-verification=hz9H76h1Bw+D77KmUkI5oHh28tuLBnBMhjJ5l938uqwxkH2...
TXTDirectFedAuthUrl=https://alcon.okta.com/app/alcon_kpmgtaxdigitalgateway_1/exk...
SOAha1.markmonitor.zonehostmaster@markmonitor.com 2026-02-19 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
rank #26156 globally
rank #13099 in the tld
WOT: SAFE (87/100)
📈 Tranco rank: #67,368

Up

scontent.alcon.com
cz.alcon.com
uk.alcon.com
ecatalog.alcon.com
virtualconsultant.alcon.com
www.alcon.com
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Same first word

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DNS History

24 records (7 active, 17 former)

20162017201820192020202120222023202420252026NSha1.markmonitor.zoneha2.markmonitor.zoneha3.markmonitor.zoneha4.markmonitor.zonedns1.novartis.comdns2.novartis.comdns3.novartis.comdns4.novartis.commia01.digex.commia02.digex.commia03-1.digex.comMXalcon-com.mail.protection.outlook.comcluster8.eu.messagelabs.comcluster8a.eu.messagelabs.commx07-0019ad02.pphosted.commx08-0019ad02.pphosted.commxa-0019ad02.gslb.pphosted.commxb-0019ad02.gslb.pphosted.comA104.18.26.249104.18.27.249104.18.250.49164.109.42.18052.13.237.4354.235.66.75
○NSdns1.novartis.com2016-03-19 → 2019-10-21 · 5 obs
○ 2016-03-08 01:51:24
● 2016-03-19 03:58:10
● 2019-10-21 06:54:22
○ 2020-02-03 15:00:30
○ 2026-02-23 20:21:02
○NSdns2.novartis.com2016-03-19 → 2019-10-21 · 5 obs
○ 2016-03-08 01:51:24
● 2016-03-19 03:58:10
● 2019-10-21 06:54:22
○ 2020-02-03 15:00:30
○ 2026-02-23 20:21:02
○NSdns3.novartis.com2019-09-01 → 2019-10-21 · 5 obs
○ 2019-04-28 01:01:04
● 2019-09-01 22:01:12
● 2019-10-21 06:54:22
○ 2020-02-03 15:00:30
○ 2026-02-23 20:21:02
○NSdns4.novartis.com2019-09-01 → 2019-10-21 · 5 obs
○ 2019-04-28 01:01:04
● 2019-09-01 22:01:12
● 2019-10-21 06:54:22
○ 2020-02-03 15:00:30
○ 2026-02-23 20:21:02
●NSha1.markmonitor.zone2020-02-03 → 2026-02-23 · 3 obs
○ 2019-10-21 06:54:22
● 2020-02-03 15:00:30
● 2026-02-23 20:21:02
●NSha2.markmonitor.zone2020-02-03 → 2026-02-23 · 3 obs
○ 2019-10-21 06:54:22
● 2020-02-03 15:00:30
● 2026-02-23 20:21:02
●NSha3.markmonitor.zone2020-02-03 → 2026-02-23 · 3 obs
○ 2019-10-21 06:54:22
● 2020-02-03 15:00:30
● 2026-02-23 20:21:02
●NSha4.markmonitor.zone2020-02-03 → 2026-02-23 · 3 obs
○ 2019-10-21 06:54:22
● 2020-02-03 15:00:30
● 2026-02-23 20:21:02
○NSmia01.digex.com2015-08-19 → 2016-03-08 · 4 obs
● 2015-08-19 08:05:38
● 2016-03-08 01:51:24
○ 2016-03-19 03:58:10
○ 2026-02-23 20:21:02
○NSmia02.digex.com2015-08-19 → 2016-03-08 · 4 obs
● 2015-08-19 08:05:38
● 2016-03-08 01:51:24
○ 2016-03-19 03:58:10
○ 2026-02-23 20:21:02
○NSmia03-1.digex.com2016-03-19 → 2019-04-28 · 5 obs
○ 2016-03-08 01:51:24
● 2016-03-19 03:58:10
● 2019-04-28 01:01:04
○ 2019-09-01 22:01:12
○ 2026-02-23 20:21:02
●MXalcon-com.mail.protection.outlook.com2021-11-20 → 2026-02-23 · 3 obs
○ 2020-08-21 03:21:32
● 2021-11-20 22:12:36
● 2026-02-23 20:21:02
○MXcluster8.eu.messagelabs.com2015-08-19 → 2017-03-28 · 4 obs
● 2015-08-19 08:05:38
● 2017-03-28 08:15:10
○ 2017-10-23 14:43:46
○ 2026-02-23 20:21:02
○MXcluster8a.eu.messagelabs.com2015-08-19 → 2017-03-28 · 4 obs
● 2015-08-19 08:05:38
● 2017-03-28 08:15:10
○ 2017-10-23 14:43:46
○ 2026-02-23 20:21:02
○MXmx07-0019ad02.pphosted.com2017-12-10 → 2020-08-21 · 5 obs
○ 2017-10-23 14:43:46
● 2017-12-10 21:29:18
● 2020-08-21 03:21:32
○ 2021-11-20 22:12:36
○ 2026-02-23 20:21:02
○MXmx08-0019ad02.pphosted.com2017-12-10 → 2020-08-21 · 5 obs
○ 2017-10-23 14:43:46
● 2017-12-10 21:29:18
● 2020-08-21 03:21:32
○ 2021-11-20 22:12:36
○ 2026-02-23 20:21:02
○MXmxa-0019ad02.gslb.pphosted.com2017-10-23 → 2020-08-21 · 5 obs
○ 2017-03-28 08:15:10
● 2017-10-23 14:43:46
● 2020-08-21 03:21:32
○ 2021-11-20 22:12:36
○ 2026-02-23 20:21:02
○MXmxb-0019ad02.gslb.pphosted.com2017-10-23 → 2020-08-21 · 5 obs
○ 2017-03-28 08:15:10
● 2017-10-23 14:43:46
● 2020-08-21 03:21:32
○ 2021-11-20 22:12:36
○ 2026-02-23 20:21:02
○A104.18.250.492020-02-03 → 2020-08-21 · 5 obs
○ 2019-10-21 06:54:22
● 2020-02-03 15:00:30
● 2020-08-21 03:21:32
○ 2021-11-20 22:12:36
○ 2026-02-23 20:21:02
●A104.18.26.2492021-11-20 → 2026-02-23 · 3 obs
○ 2020-08-21 03:21:32
● 2021-11-20 22:12:36
● 2026-02-23 20:21:02
●A104.18.27.2492021-11-20 → 2026-02-23 · 3 obs
○ 2020-08-21 03:21:32
● 2021-11-20 22:12:36
● 2026-02-23 20:21:02
○A164.109.42.1802015-08-19 → 2016-03-08 · 4 obs
● 2015-08-19 08:05:38
● 2016-03-08 01:51:24
○ 2016-03-19 03:58:10
○ 2026-02-23 20:21:02
○A52.13.237.432019-04-18 → 2019-10-21 · 5 obs
○ 2018-10-23 15:37:56
● 2019-04-18 11:42:50
● 2019-10-21 06:54:22
○ 2020-02-03 15:00:30
○ 2026-02-23 20:21:02
○A54.235.66.752016-03-19 → 2018-10-23 · 5 obs
○ 2016-03-08 01:51:24
● 2016-03-19 03:58:10
● 2018-10-23 15:37:56
○ 2019-04-18 11:42:50
○ 2026-02-23 20:21:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...-
alcon.comha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone-

✅ Authoritative Response

Server: 192.174.68.5

NS records: ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for alcon.com (unsigned zone)

⏱️ Timing

Total: 805ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.26.249, 104.18.27.249
NS4ha1.markmonitor.zone, ha2.markmonitor.zone...
MX1alcon-com.mail.protection.outlook.com (p
TXT24MS=ms50410465, 35gtcr2hxvs4g80z6srq1g3mjwbwjpdb...
SOA1ha1.markmonitor.zone hostmaster.markmoni

AI analysis

alcon.com is a parent of scontent.alcon.com, cz.alcon.com, uk.alcon.com, ecatalog.alcon.com, virtualconsultant.alcon.com and a few other host names.

alcon.com points to two IP numbers: 104.18.26.249 and 104.18.27.249.

Other host names such as www.feedpromote.com.cdn.cloudflare.net, cal.blue, www.cicero.app, lawpa.cn and circuitbreakerguys.com share IPs with alcon.com.

alcon.com is delegated to four name servers: ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.

alcon.com at least partially shares name servers with other domains, for example sayonpaysurvey.com, mpfexpress.net, workscape.biz, ipexusabenefits.com and tdtotalrewards.com.

Name servers ns1.markmonitor.com, ns3.markmonitor.com, ns5.markmonitor.com, ns2.markmonitor.com, ns4.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com are commonly used together.

Host names with two IP numbers:

ha1.markmonitor.zone points to: 2001:67c:1bc::5 and 192.174.68.5

ha2.markmonitor.zone points to: 2620:10a:80eb::6b and 162.219.54.170

ha3.markmonitor.zone points to: 2001:67c:10b8::5 and 176.97.158.5

ha4.markmonitor.zone points to: 2620:10a:80ec::6b and 162.219.55.170

The alcon-com.mail.protection.outlook.com mail server handles alcon.com.