err.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

err.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4ba6🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:b33f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.75.166Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.63🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjule.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aaf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjule.ns.cloudflare.com
A2803:f800:50::6ca2:c0af🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjule.ns.cloudflare.com
A2a06:98c1:50::ac40:20af🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjule.ns.cloudflare.com
A108.162.192.175🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjule.ns.cloudflare.com
A172.64.32.175🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjule.ns.cloudflare.com
A173.245.58.175🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjule.ns.cloudflare.com
NSlou.ns.cloudflare.com
A2606:4700:58::adf5:3bc7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlou.ns.cloudflare.com
A2803:f800:50::6ca2:c1c7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlou.ns.cloudflare.com
A2a06:98c1:50::ac40:21c7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlou.ns.cloudflare.com
A108.162.193.199🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlou.ns.cloudflare.com
A172.64.33.199🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlou.ns.cloudflare.com
A173.245.59.199🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlou.ns.cloudflare.com
MXmail.acceleai.com ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.75.166, 172.67.179.63
IPv6 hints2606:4700:3033::6815:4ba6, 2606:4700:3034::ac43:b33f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOAjule.ns.cloudflare.comdns@cloudflare.com serial=2414407440

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

err.cx
err.fi
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err.workers.dev
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err.red
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err.world
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err.rw

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Previous names

erpdz.dev
erpgen.dev
erph.dev
erphan.dev
erpic.dev
erpix.dev
erpmx.dev
erpnext.dev
erpos.dev
erpqalam.dev
erpquick.dev
erpro.dev
erps.dev
erpsoft.dev
erpsoftware.dev
erpsphere.dev
erptools.dev
erpware.dev
erpx.dev
erqon.dev

Next names

err0r4o4n0tf0und.dev
err404r.dev
err7.dev
errachedy.dev
erraji.dev
errami.dev
errand.dev
errantsignals.dev
errantsky.dev
erratalabs.dev
erratum.dev
errax15.dev
errbit.dev
errdisable.dev
erreur.dev
errfix.dev
errflow.dev
errin.dev
errington.dev

DNS History

11 records (7 active, 4 former)

NSjule.ns.cloudflare.comlou.ns.cloudflare.comMXmail.acceleai.comA104.21.75.166172.67.179.632606:4700:3033::6815:4ba62606:4700:3034::ac43:b33f188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSjule.ns.cloudflare.com2026-09-11 → 2026-09-16 · 2 obs
● 2026-09-11 18:03:38
● 2026-09-16 18:45:30
●NSlou.ns.cloudflare.com2026-09-11 → 2026-09-16 · 2 obs
● 2026-09-11 18:03:38
● 2026-09-16 18:45:30
●MXmail.acceleai.com2026-09-11 → 2026-09-16 · 2 obs
● 2026-09-11 18:03:38
● 2026-09-16 18:45:30
●A104.21.75.1662026-09-16 → 2026-09-16 · 3 obs
○ 2026-09-11 18:03:38
● 2026-09-16 11:19:04
● 2026-09-16 18:45:30
●A172.67.179.632026-09-16 → 2026-09-16 · 3 obs
○ 2026-09-11 18:03:38
● 2026-09-16 11:19:04
● 2026-09-16 18:45:30
○A188.114.96.02026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 18:03:38
○ 2026-09-16 11:19:04
○ 2026-09-16 18:45:30
○A188.114.97.02026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 18:03:38
○ 2026-09-16 11:19:04
○ 2026-09-16 18:45:30
●A2606:4700:3033::6815:4ba62026-09-16 → 2026-09-16 · 3 obs
○ 2026-09-11 18:03:38
● 2026-09-16 11:19:04
● 2026-09-16 18:45:30
●A2606:4700:3034::ac43:b33f2026-09-16 → 2026-09-16 · 3 obs
○ 2026-09-11 18:03:38
● 2026-09-16 11:19:04
● 2026-09-16 18:45:30
○A2a06:98c1:3120::2026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 18:03:38
○ 2026-09-16 11:19:04
○ 2026-09-16 18:45:30
○A2a06:98c1:3121::2026-09-11 → 2026-09-11 · 3 obs
● 2026-09-11 18:03:38
○ 2026-09-16 11:19:04
○ 2026-09-16 18:45:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
err.devjule.ns.cloudflare.com, lou.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.199

NS records: jule.ns.cloudflare.com, lou.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for err.dev (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.75.166, 172.67.179.63
AAAA22606:4700:3034::ac43:b33f, 2606:4700:3033::6815:4ba6
NS2jule.ns.cloudflare.com, lou.ns.cloudflare.com
MX1mail.acceleai.com (pri: 10)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jule.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

err.dev has four IP addresses: 104.21.75.166, 172.67.179.63, 2606:4700:3033::6815:4ba6 and 2606:4700:3034::ac43:b33f.

Among the host names that share IP numbers with err.dev are realityglyph.shop, 907maksibet.com, garciaalmagro.es and two others.

Name Servers

The NS records for err.dev delegate to jule.ns.cloudflare.com and lou.ns.cloudflare.com.

err.dev has the same name server delegation as a number of other domains, such as peper-design.co.uk, cartwrights.net, logicconquers.org and two more.

err.dev shares at least some of its name servers with other domains, including infinitecraftrecipes.io, quidhq.com, test-pr.pages.dev and two others.

These name servers are frequently seen alongside the name servers keenan.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

jule.ns.cloudflare.com maps to 108.162.192.175, 172.64.32.175, 173.245.58.175 and 3 additional IP addresses.

lou.ns.cloudflare.com maps to 108.162.193.199, 172.64.33.199, 173.245.59.199 and 3 additional IP addresses.

Mail Servers

err.dev routes its mail through a single mail server, mail.acceleai.com.

err.dev and domains like accele.ai share an identical mail server configuration.