`dukerefractive.com`

DNSSEC	⚠️ Not signed
A	152.16.0.233^{🇺🇸 DUKE-INTERCHANGE152.16.0.0/16 Autogenerated route object}
		PTR	`dukecaregivercommunityevent.com`
		PTR	`dukecaregiversupportprogram.com`
		PTR	`dukeconnectedcare.com`
		PTR	`dukehealth.com`
		PTR	`dukehealthraleigh.com`
		PTR	`dukemedicine.com`
		PTR	`dukeortho.com`
		PTR	`dukeweightlosssurgery.com`
		PTR	`dukewls.com`
		PTR	`team-hf.com`
		PTR	`vaccineforfamily.com`
		PTR	`duke.edu`
		PTR	`dukecaregivercommunityevent.net`
		PTR	`dukecaregiversupportprogram.net`
		PTR	`dukeortho.net`
		PTR	`vaccineforfamily.net`
		PTR	`chavi.org`
		PTR	`clinicaltrialstransformation.org`
		PTR	`dcru.org`
		PTR	`dukecaregivercommunityevent.org`
		PTR	`dukecaregiversupportprogram.org`
		PTR	`dukeclinicaltrials.org`
		PTR	`dukeexechealth.org`
		PTR	`dukehealthraleigh.org`
		PTR	`dukelifeflight.org`
		PTR	`dukeortho.org`
		PTR	`dukepersonalizedmedicine.org`
		PTR	`dukeraleighhospital.org`
		PTR	`dukeregional.org`
		PTR	`dukespeechandhearing.org`
		PTR	`dukesurgery.org`
		PTR	`dukevein.org`
		PTR	`dukeweightlosssurgery.org`
		PTR	`dukewls.org`
		PTR	`durhamregional.org`
		PTR	`handatduke.org`
		PTR	`msmosaic.org`
		PTR	`team-hf.org`
		PTR	`trialstransformation.org`
		PTR	`vaccineforfamily.org`
		PTR	`biobank.duke.edu`
		PTR	`cancermoonshot.duke.edu`
		PTR	`centerforaging.duke.edu`
		PTR	`cmb.duke.edu`
		PTR	`dchi.duke.edu`
		PTR	`devbio.duke.edu`
		PTR	`dtmi.duke.edu`
		PTR	`dukeeyecme.duke.edu`
		PTR	`imind.duke.edu`
		PTR	`medicalstaffrecruitment.duke.edu`
		PTR	`neuro.duke.edu`
		PTR	`orthopaedics.duke.edu`
		PTR	`orthopedics.duke.edu`
		PTR	`rheumatology.duke.edu`
		PTR	`riskcalc.duke.edu`
		PTR	`supportmedtraining.duke.edu`
		PTR	`www.clinicaltrialstransformation.org`
		PTR	`members.dukeexechealth.org`
		PTR	`compliance.dukehealth.org`
		PTR	`dhcc.dukehealth.org`
		PTR	`dhch.dukehealth.org`
		PTR	`documentationandcoding.dukehealth.org`
		PTR	`ptot.dukehealth.org`
		PTR	`trauma.dukehealth.org`
		PTR	`giving.dukehomecareandhospice.org`
		PTR	`cancer.dukemedicine.org`
		PTR	`corporate.dukemedicine.org`
		PTR	`eyecenter.dukemedicine.org`
		PTR	`strategicplanning.dukemedicine.org`
		PTR	`www.dukeregional.org`
		PTR	`www.trialstransformation.org`
		PTR	`www.biobank.duke.edu`
		PTR	`fellowship.cardiology.duke.edu`
		PTR	`xray.dhvi.duke.edu`
		PTR	`board.dm.duke.edu`
		PTR	`cathgen.duhs.duke.edu`
		PTR	`dblab.duhs.duke.edu`
		PTR	`dclresearch.duhs.duke.edu`
		PTR	`dukefamilymedicine.duhs.duke.edu`
		PTR	`ed.duhs.duke.edu`
		PTR	`patientsafetyed.duhs.duke.edu`
		PTR	`ptot.duhs.duke.edu`
		PTR	`pwh-vip-00.duhs.duke.edu`
		PTR	`somprototype.duhs.duke.edu`
		PTR	`vetmed.duhs.duke.edu`
		PTR	`vip-ws-web01.duhs.duke.edu`
		PTR	`cardiofellows.mc.duke.edu`
		PTR	`cfm.mc.duke.edu`
		PTR	`cfmfacdev.mc.duke.edu`
		PTR	`clinical-leadership.mc.duke.edu`
		PTR	`crtp.mc.duke.edu`
		PTR	`development.mc.duke.edu`
		PTR	`dukeoccmed.mc.duke.edu`
		PTR	`finaid.mc.duke.edu`
		PTR	`gerifellowship.mc.duke.edu`
		PTR	`hyperthermia.mc.duke.edu`
		PTR	`paprogram.mc.duke.edu`
		PTR	`radccore.mc.duke.edu`
		PTR	`sicklecell.mc.duke.edu`
		PTR	`stedman.mc.duke.edu`
		PTR	`www.medicalstaffrecruitment.duke.edu`
		PTR	`cvctraining.medicine.duke.edu`
		PTR	`gimresidency.medicine.duke.edu`
		PTR	`hemostasis.medicine.duke.edu`
		PTR	`htc.medicine.duke.edu`
		PTR	`mlp.medicine.duke.edu`
		PTR	`nivrl.medicine.duke.edu`
		PTR	`thrombosis.medicine.duke.edu`
		PTR	`agp.medschool.duke.edu`
		PTR	`bircwh.medschool.duke.edu`
		PTR	`kure.medschool.duke.edu`
		PTR	`microbialgenomics.mgm.duke.edu`
		PTR	`cnpfellowship.neurology.duke.edu`
		PTR	`sleepfellowship.neurology.duke.edu`
		PTR	`www.ortho.duke.edu`
		PTR	`www.orthopedics.duke.edu`
		PTR	`crso.som.duke.edu`
		PTR	`sabiston.surgery.duke.edu`
		PTR	`staff.surgery.duke.edu`
		PTR	`www.dhcc.dukehealth.org`
		PTR	`www.dhch.dukehealth.org`
		PTR	`www.strategicplanning.dukemedicine.org`
		PTR	`www.communityrelations.duhs.duke.edu`
		PTR	`riskcalc.duke.edu.duke.edu`
		PTR	`www.sicklecell.mc.duke.edu`
		PTR	`www.stedman.mc.duke.edu`
NS	`ns79.worldnic.com` ⭐
		A	162.159.26.27^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns80.worldnic.com`
		A	162.159.27.78^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`NS79.WORLDNIC.com`namehost@WORLDNIC.com serial=118030514

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774731907

Same first word

dukerefractive.com

DNS History

8 records (3 active, 5 former)

○NSns1.lamedelegation.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 09:14:56
○ 2015-06-18 13:33:18
○ 2026-03-28 21:16:02

○NSns2.lamedelegation.net2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 09:14:56
○ 2015-06-18 13:33:18
○ 2026-03-28 21:16:02

●NSns79.worldnic.com2015-06-18 → 2026-03-28 · 3 obs

○ 2007-10-29 09:14:56
● 2015-06-18 13:33:18
● 2026-03-28 21:16:02

●NSns80.worldnic.com2015-06-18 → 2026-03-28 · 3 obs

○ 2007-10-29 09:14:56
● 2015-06-18 13:33:18
● 2026-03-28 21:16:02

○MXp.webcom.ctmail.com2016-01-29 → 2026-02-15 · 4 obs

● 2016-01-29 10:50:08
● 2026-02-15 10:11:42
○ 2026-03-06 12:50:36
○ 2026-03-28 21:16:02

●A152.16.0.2332026-02-15 → 2026-03-28 · 3 obs

○ 2017-06-07 02:51:02
● 2026-02-15 10:11:42
● 2026-03-28 21:16:02

○A152.16.195.1902015-06-18 → 2017-06-07 · 5 obs

○ 2007-10-29 09:14:56
● 2015-06-18 13:33:18
● 2017-06-07 02:51:02
○ 2026-02-15 10:11:42
○ 2026-03-28 21:16:02

○A209.62.20.1882007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 09:14:56
○ 2015-06-18 13:33:18
○ 2026-03-28 21:16:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dukerefractive.com	ns79.worldnic.com, ns80.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.27

NS records: ns79.worldnic.com, ns80.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dukerefractive.com (unsigned zone)

⏱️ Timing

Total: 139ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`152.16.0.233`
NS	2	`ns80.worldnic.com, ns79.worldnic.com`
SOA	1	`NS79.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns79.worldnic.com, ns80.worldnic.com)

Analysis

IP Addresses

dukerefractive.com points to a single IP: 152.16.0.233.

Other host names, for instance planforduke.org, vaccineforfamily.org, dukeweightlosssurgery.com, dukeplasticsurgery.org and vip-ws-web01.duhs.duke.edu share IP numbers with dukerefractive.com.

Name Servers

Two name servers ns79.worldnic.com and ns80.worldnic.com handle delegation for dukerefractive.com.

dukerefractive.com uses the same name server setup as other domains, for example blakewhitacre.com, maileasy.biz, inventoryshop.net, 4museum.com and muhs.com.

Host names with one IP number: The host name ns79.worldnic.com points to 162.159.26.27 and the host name ns80.worldnic.com points to 162.159.27.78.

dukerefractive.com - robtex.com