itheory.nl - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

itheory.nl

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:9cd🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:bd92🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.9.205Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.146🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSerin.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A2803:f800:50::6ca2:c071🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRerin.ns.cloudflare.com
A2a06:98c1:50::ac40:2071🇺🇸 Cloudflare2a06:98c1:50::/45
PTRerin.ns.cloudflare.com
A108.162.192.113🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A172.64.32.113🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
A173.245.58.113🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRerin.ns.cloudflare.com
NSlex.ns.cloudflare.com
A2606:4700:58::adf5:3bc4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlex.ns.cloudflare.com
A2803:f800:50::6ca2:c1c4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlex.ns.cloudflare.com
A2a06:98c1:50::ac40:21c4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlex.ns.cloudflare.com
A108.162.193.196🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlex.ns.cloudflare.com
A172.64.33.196🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlex.ns.cloudflare.com
A173.245.59.196🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlex.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.9.205, 172.67.189.146
IPv6 hints2606:4700:3031::6815:9cd, 2606:4700:3033::ac43:bd92
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOAerin.ns.cloudflare.comdns@cloudflare.com serial=2413568005

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-09-29 02:30:01 +0000 (EPOCH 1790649001)
SOAns1.dns.nldns@sidn.nl 2026-09-29 #5

Same first word

itheory.nl
itheory.eu
itheory.co.uk
itheory.ie
itheory.com
itheory.net

Similar names

etihory.world
heyrito.ai
orythie.fr
hieryot.click
toyhire.co.uk
eryitoh.now.sh
toyhire.com
heytori.com
heytrio.com
torihey.co.jp
heytori.tech
theriyo.co
toyhire.com.au
toyhire.co.nz
theriyo.clothing
toyhire.online
riyothe.lat
heyriot.com
heyrito.com
heryiot.com
heyroti.com
teryhio.site

Previous names

itheater.nl
itheatre.nl
ithec.nl
ithee.nl
itheech9.nl
itheechein.nl
itheechhout26.nl
itheitelan.nl
ithelden.nl
ithelicopter.nl
ithellevoetsluis.nl
ithelp.nl
ithelpdesk.nl
ithelpdesksoftware.nl
ithematiek.nl
ithemba.nl
ithemes.nl
ithemis.nl
itheo.nl
itheorie.nl

Next names

itherapie.nl
itherapist.nl
itherm.nl
ithermometer.nl
ithero.nl
itheroes.nl
itheros.nl
itherstel.nl
ithersteldienst.nl
ithese.nl
itheseus.nl
ithh.nl
ithhouten.nl
ithi.nl
ithica.nl
ithiek.nl
ithiem-bolsward.nl
ithiem.nl
ithiem3.nl
ithierlokaeltsje.nl

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSerin.ns.cloudflare.comlex.ns.cloudflare.comns0.leaseweb.nlns1.leaseweb.nlns4.leaseweb.netns5.leaseweb.nlMXmailfilter.leaseweb.comA104.21.9.205172.67.189.1462606:4700:3031::6815:9cd2606:4700:3033::ac43:bd9285.17.96.111
●NSerin.ns.cloudflare.com2026-09-06 → 2026-09-29 · 3 obs
○ 2020-04-01 22:57:18
● 2026-09-06 15:40:46
● 2026-09-29 03:18:26
●NSlex.ns.cloudflare.com2026-09-06 → 2026-09-29 · 3 obs
○ 2020-04-01 22:57:18
● 2026-09-06 15:40:46
● 2026-09-29 03:18:26
○NSns0.leaseweb.nl2015-08-15 → 2020-04-01 · 4 obs
● 2015-08-15 16:35:46
● 2020-04-01 22:57:18
○ 2026-09-06 15:40:46
○ 2026-09-29 03:18:26
○NSns1.leaseweb.nl2015-08-15 → 2020-04-01 · 4 obs
● 2015-08-15 16:35:46
● 2020-04-01 22:57:18
○ 2026-09-06 15:40:46
○ 2026-09-29 03:18:26
○NSns4.leaseweb.net2015-08-15 → 2020-04-01 · 4 obs
● 2015-08-15 16:35:46
● 2020-04-01 22:57:18
○ 2026-09-06 15:40:46
○ 2026-09-29 03:18:26
○NSns5.leaseweb.nl2015-08-15 → 2020-04-01 · 4 obs
● 2015-08-15 16:35:46
● 2020-04-01 22:57:18
○ 2026-09-06 15:40:46
○ 2026-09-29 03:18:26
○MXmailfilter.leaseweb.com2015-08-15 → 2020-04-01 · 4 obs
● 2015-08-15 16:35:46
● 2020-04-01 22:57:18
○ 2026-09-06 15:40:46
○ 2026-09-29 03:18:26
●A104.21.9.2052026-09-06 → 2026-09-29 · 3 obs
○ 2020-04-01 22:57:18
● 2026-09-06 15:40:46
● 2026-09-29 03:18:26
●A172.67.189.1462026-09-06 → 2026-09-29 · 3 obs
○ 2020-04-01 22:57:18
● 2026-09-06 15:40:46
● 2026-09-29 03:18:26
●A2606:4700:3031::6815:9cd2026-09-06 → 2026-09-29 · 3 obs
○ 2020-04-01 22:57:18
● 2026-09-06 15:40:46
● 2026-09-29 03:18:26
●A2606:4700:3033::ac43:bd922026-09-06 → 2026-09-29 · 3 obs
○ 2020-04-01 22:57:18
● 2026-09-06 15:40:46
● 2026-09-29 03:18:26
○A85.17.96.1112015-08-15 → 2020-04-01 · 4 obs
● 2015-08-15 16:35:46
● 2020-04-01 22:57:18
○ 2026-09-06 15:40:46
○ 2026-09-29 03:18:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
itheory.nllex.ns.cloudflare.com, erin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.113

NS records: lex.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itheory.nl (unsigned zone)

⏱️ Timing

Total: 708ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.9.205, 172.67.189.146
AAAA22606:4700:3031::6815:9cd, 2606:4700:3033::ac43:bd92
NS2erin.ns.cloudflare.com, lex.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1erin.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

itheory.nl points to the four IP addresses 104.21.9.205, 172.67.189.146, 2606:4700:3031::6815:9cd and 2606:4700:3033::ac43:bd92.

Among the host names that share IP numbers with itheory.nl are bcfmgyn.com, 3666beb.org, phonelookupvpfhu183.cfd and two others.

Name Servers

itheory.nl is served by two delegated name servers, erin.ns.cloudflare.com and lex.ns.cloudflare.com.

itheory.nl has the same name server delegation as a number of other domains, such as payugi.com, admiral-x-kza33.icu, playland.sbs and two more.

At least some of itheory.nl's name servers are shared with other domains, for example select-choice.co.uk, jpod4571027.pro, winmaxofficial1.com and two more.

These name servers tend to be deployed in combination with the name servers houston.ns.cloudflare.com and ivan.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

erin.ns.cloudflare.com carries IP addresses 108.162.192.113, 172.64.32.113 and 173.245.58.113, with 3 other addresses beyond those.

lex.ns.cloudflare.com carries IP addresses 108.162.193.196, 172.64.33.196 and 173.245.59.196, with 3 other addresses beyond those.