core.is - robtex.com

core.is

DNSSEC⚠️ Not signed
A20.50.64.10🇮🇪 Microsoft20.48.0.0/12
NSali.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRali.ns.cloudflare.com
A2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRali.ns.cloudflare.com
A108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
NSleif.ns.cloudflare.com
A2606:4700:58::a29f:2cde🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
A2803:f800:50::6ca2:c3de🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleif.ns.cloudflare.com
A2a06:98c1:50::ac40:23de🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleif.ns.cloudflare.com
A108.162.195.222🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
A162.159.44.222Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
A172.64.35.222🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleif.ns.cloudflare.com
MXcore-is.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::d🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db6pr03cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::4🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A52.101.68.8🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.73.16🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A52.101.73.24🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00300.inbound.protection.outlook.com
A52.101.73.28🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00204.inbound.protection.outlook.com
TXTfacebook-domain-verification=2y00sqc0l6om2ph95ehn87z2jyv3mg
TXTgoogle-site-verification=hJLBbFgaHZWqlLvxfoyyivX1j6LeEKAHUydrWM-u8cM
TXTv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:ma...
SOAali.ns.cloudflare.comdns@cloudflare.com serial=2402444983

is

DNSSEC🔒 Signed (DS record present)
NSa.nic.is ⭐
NSc.nic.is
NSd.nic.is
NSe.nic.is
NSf.nic.is
SOAa.nic.ishostmaster@isnic.is serial=1778305802

Subdomains

www.core.is

Same first word

core.tv
core.dental
core.repair
core.pk
core.education
core.mx
core.gr
core.md
core.edu
core.se
core.org.ua
core.life
core.energy
core.nl
core.cx
core.dating
core.farm
core.ps
core.ac.uk
core.bet
core.fail
core.exposed
core.healthcare
core.pl
core.or.kr
core.com.tr
core.ru
core.hu
core.fund
core.ws
core.mba
core.in
core.network
core.la
core.cw
core.cloud
core.co
core.co.in
core.com.mx
core.tips
core.pm
core.ec
core.golf
core.us
core.equipment
core.uk.com
core.edu.au
core.technology
core.redirectme.net
core.net
core.bz
core.my
core.host
core.fm
core.ch
core.tech
core.gs
core.red
core.engineering
core.hosting
core.com.ph
core.im
core.kids
core.ee
core.photos
core.de
core.com.ec
core.bg
core.app
core.be
core.ie
core.com.pl
core.today
core.chat
core.ac
core.care
core.net.id
core.direct
core.pp.ua
core.ac.jp
core.guru
core.world
core.love
core.capital
core.org
core.dk
core.by
core.pt
core.is
core.supplies
core.pw
core.xii.jp
core.gallery
core.io
core.fi
core.eu
core.co.at
core.vc
core.ly
core.academy

Similar names

ocre.social
oecr.at
rcoe.de
eorc.us
reco.ro
erco.com.mx
core.info
cero.cz
cero.world
reco.on.ca
erco.org
erco.de
reoc.us
core.dev
creo.be
core.wiki
roec.com
ecro.edu.mx
core.windows
erco.be
ecor.cz
reco.mi.it
creo.pro
ocer.net
reco.guru
oerc.net
reco.co.th
ecro.fr
eocr.cn
cero.it
reco.be
core.ai
erco.se
ocre.de
eocr.com
core.coach
core.camera
creo.com.tr
core.co.za
creo.online
core.ca
reco.info
core.vn
core.it
ecor.net
creo.ch
core.cz
core.com.hk
core.kz
core.com
reco.ma
oecr.net
reco.sk
ecro.net
cero.gr.jp
rcoe.ru
ecor.ch
coer.net
erco.pl
reco.fi
reco.pl
erco.cz
reco.com.mx
creo.co
roce.it
orce.ie
creo.host
coer.de
orce.nl
ecro.de
reco.tw
erco.si
cero.bike
coer.nl
erco.online
rcoe.info
rcoe.tv
reco.co.za
erco.cn
croe.ru
roce.org
creo.net
reoc.org
erco.co.kr
creo.kr
reco.pt
ocre.be
ocre.net
cero.nu
reco.email
creo.ru
ecor.io
reco.us
reco.me
reco.com
ceor.net
reco.co.nz
creo.com.na
roce.com.mx
eroc.cz
erco.com.qa
rcoe.us
cero.ca
cero.software
ocre.info
coer.eu
erco.co.uk
erco.com.br
orec.nl
ecor.ca
creo.biz
erco.ovh
creo.chat
eocr.eu
creo.com
ocre.org
cero.de
roce.co.jp
ecor.info
creo.us
reco.cn

DNS History

18 records (4 active, 14 former)

20162017201820192020202120222023202420252026NSali.ns.cloudflare.comleif.ns.cloudflare.comns0.1984.isns1.1984.isns1.1984hosting.comns1.simnet.isns2.1984.isns2.1984hosting.comns2.simnet.isMXcore-is.mail.protection.outlook.commx-hmc-01.simnetpro.ismx-hmc-02.simnetpro.ismx-hmc.simnetpro.isA20.50.64.10185.67.84.105185.67.84.106194.144.173.9493.95.229.13
●NSali.ns.cloudflare.com2026-02-16 → 2026-05-09 · 3 obs
○ 2021-03-25 03:51:10
● 2026-02-16 12:20:02
● 2026-05-09 06:03:54
●NSleif.ns.cloudflare.com2026-02-16 → 2026-05-09 · 3 obs
○ 2021-03-25 03:51:10
● 2026-02-16 12:20:02
● 2026-05-09 06:03:54
○NSns0.1984.is2021-03-25 → 2021-03-25 · 4 obs
○ 2019-04-06 15:58:22
● 2021-03-25 03:51:10
○ 2026-02-16 12:20:02
○ 2026-05-09 06:03:54
○NSns1.1984.is2021-03-25 → 2021-03-25 · 4 obs
○ 2019-04-06 15:58:22
● 2021-03-25 03:51:10
○ 2026-02-16 12:20:02
○ 2026-05-09 06:03:54
○NSns1.1984hosting.com2021-03-25 → 2021-03-25 · 4 obs
○ 2019-04-06 15:58:22
● 2021-03-25 03:51:10
○ 2026-02-16 12:20:02
○ 2026-05-09 06:03:54
○NSns1.simnet.is2015-08-29 → 2019-04-06 · 4 obs
● 2015-08-29 08:24:42
● 2019-04-06 15:58:22
○ 2021-03-25 03:51:10
○ 2026-05-09 06:03:54
○NSns2.1984.is2021-03-25 → 2021-03-25 · 4 obs
○ 2019-04-06 15:58:22
● 2021-03-25 03:51:10
○ 2026-02-16 12:20:02
○ 2026-05-09 06:03:54
○NSns2.1984hosting.com2021-03-25 → 2021-03-25 · 4 obs
○ 2019-04-06 15:58:22
● 2021-03-25 03:51:10
○ 2026-02-16 12:20:02
○ 2026-05-09 06:03:54
○NSns2.simnet.is2015-08-29 → 2019-04-06 · 4 obs
● 2015-08-29 08:24:42
● 2019-04-06 15:58:22
○ 2021-03-25 03:51:10
○ 2026-05-09 06:03:54
●MXcore-is.mail.protection.outlook.com2019-04-06 → 2026-05-09 · 3 obs
○ 2016-12-19 01:42:02
● 2019-04-06 15:58:22
● 2026-05-09 06:03:54
○MXmx-hmc-01.simnetpro.is2015-08-29 → 2016-12-19 · 4 obs
● 2015-08-29 08:24:42
● 2016-12-19 01:42:02
○ 2019-04-06 15:58:22
○ 2026-05-09 06:03:54
○MXmx-hmc-02.simnetpro.is2015-08-29 → 2016-12-19 · 4 obs
● 2015-08-29 08:24:42
● 2016-12-19 01:42:02
○ 2019-04-06 15:58:22
○ 2026-05-09 06:03:54
○MXmx-hmc.simnetpro.is2015-08-29 → 2016-12-19 · 4 obs
● 2015-08-29 08:24:42
● 2016-12-19 01:42:02
○ 2019-04-06 15:58:22
○ 2026-05-09 06:03:54
○A185.67.84.1052015-11-27 → 2016-12-19 · 5 obs
○ 2015-10-19 17:53:54
● 2015-11-27 22:24:36
● 2016-12-19 01:42:02
○ 2019-04-06 15:58:22
○ 2026-05-09 06:03:54
○A185.67.84.1062019-04-06 → 2019-04-06 · 4 obs
○ 2016-12-19 01:42:02
● 2019-04-06 15:58:22
○ 2021-03-25 03:51:10
○ 2026-05-09 06:03:54
○A194.144.173.942015-08-29 → 2015-10-19 · 4 obs
● 2015-08-29 08:24:42
● 2015-10-19 17:53:54
○ 2015-11-27 22:24:36
○ 2026-05-09 06:03:54
●A20.50.64.102026-02-16 → 2026-05-09 · 3 obs
○ 2021-03-25 03:51:10
● 2026-02-16 12:20:02
● 2026-05-09 06:03:54
○A93.95.229.132021-03-25 → 2021-03-25 · 4 obs
○ 2019-04-06 15:58:22
● 2021-03-25 03:51:10
○ 2026-02-16 12:20:02
○ 2026-05-09 06:03:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
isa.nic.is, c.nic.is, d.nic.is, e.nic.is...10 records
core.isleif.ns.cloudflare.com, ali.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.222

NS records: leif.ns.cloudflare.com, ali.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core.is (unsigned zone)

⏱️ Timing

Total: 1045ms | Queries: -

📄 Records

TypeCountSample Data
A120.50.64.10
NS2ali.ns.cloudflare.com, leif.ns.cloudflare.com
MX1core-is.mail.protection.outlook.com (pri
TXT3facebook-domain-verification=2y00sqc0l6o, google-site-verification=hJLBbFgaHZWqlLv...
SOA1ali.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.is, c.nic.is, d.nic.is...)

Analysis

Hierarchy

The parent of www.core.is is core.is.

IP Addresses

core.is points to a single IP number: 20.50.64.10.

Other host names, for instance hartman-optik.se, harroldopticians.co.uk, patwild.co.uk, iseazy.com and chatoo-opticians.com share IP numbers with core.is.

Name Servers

core.is is delegated to two name servers: ali.ns.cloudflare.com and leif.ns.cloudflare.com.

core.is uses the same name server setup as other domains, for instance techajuda.com, cniicentr.ru, aceleratego.com.pe, honolulu.network and loversports.info.

core.is shares name servers with other domains at least partially, for instance familyholder.com, zlyszs.com, exchangeff.com, lnhmxf.com and bitmovin.com.

these name servers are often used with kim.ns.cloudflare.com, emma.ns.cloudflare.com and earl.ns.cloudflare.com.

Host names with six IP numbers: ali.ns.cloudflare.com points to 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59; leif.ns.cloudflare.com points to 2606:4700:58::a29f:2cde, 2803:f800:50::6ca2:c3de, 2a06:98c1:50::ac40:23de, 108.162.195.222, 162.159.44.222 and 172.64.35.222.

Mail Servers

The mail server for core.is is core-is.mail.protection.outlook.com.

Host core-is.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::d, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::4, 52.101.68.8, 52.101.73.16, 52.101.73.24 and 52.101.73.28.