checking.nu - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

checking.nu

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:46c4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8aec🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.196Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.236🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A2803:f800:50::6ca2:c14c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrett.ns.cloudflare.com
A2a06:98c1:50::ac40:214c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrett.ns.cloudflare.com
A108.162.193.76🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A172.64.33.76🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A173.245.59.76🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
NSreza.ns.cloudflare.com
A2606:4700:50::adf5:3ad9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
A2803:f800:50::6ca2:c0d9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRreza.ns.cloudflare.com
A2a06:98c1:50::ac40:20d9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRreza.ns.cloudflare.com
A108.162.192.217🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
A172.64.32.217🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
A173.245.58.217🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.196, 172.67.138.236
IPv6 hints2606:4700:3031::6815:46c4, 2606:4700:3035::ac43:8aec
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=132, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2413390395

nu

DNSSEC🔒 Signed (DS record present)
NScatcher-in-the-rye.nic.nu ⭐
NSa.ns.nu
NSb.ns.nu
NSc.ns.nu
NSd.ns.nu
NSf.ns.nu
NSg.ns.nu
NSi.ns.nu
NSm.ns.nu
NSy.ns.nu
NSz.ns.nu
TXTid:94b1ba0a-5a56-436c-b8ac-463eae7082d1
TXTNU zone update: 2026-09-20 15:13:25 +0000 (EPOCH 1789917205) (auto)
SOAcatcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1789917257

Same first word

checking.cc
checking.today
checking.biz
checking.xyz
checking.nu
checking.email
checking.earth
checking.pages.dev
checking.tv
checking.com.mx
checking.awsapps.com
checking.app
checking.com
checking.workers.dev
checking.world
checking.mobile
checking.plus
checking.credit
checking.now
checking.at
checking.systems
checking.net.ph
checking.cloud
checking.eu
checking.host
checking.life
checking.co.in
checking.io.vn
checking.cam
checking.com.tr
checking.dk
checking.bid
checking.my
checking.ws
checking.vc
checking.online
checking.kr
checking.com.tw
checking.me
checking.de
checking.baby
checking.website
checking.se
checking.beer
checking.es
checking.ch
checking.au
checking.digital
checking.com.au
checking.ai
checking.chat
checking.vn
checking.love
checking.net
checking.help
checking.pro
checking.ca
checking.pl
checking.ph
checking.ru
checking.top
checking.my.id
checking.co.nz
checking.ir
checking.mom
checking.solutions
checking.in.net
checking.org
checking.tax
checking.co

Similar names

checkngi.com
genchick.online
kingchec.ph
chgeckin.ph
gchicken.com
chickeng.com
ngechick.ph

Previous names

cheapoair.nu
cheaptickets.nu
cheapuggtypebootsuk.nu
cheapviagraaustralia.nu
cheats.nu
cheatsheet.nu
check-het-gesprek.nu
check-in.nu
check-it.nu
check-je-gesprek.nu
check-mijn-website.nu
check-out.nu
check.nu
checka.nu
checkain.nu
checkat.nu
checkdit.nu
checkers.nu
checkhetgesprek.nu
checkinatwork.nu

Next names

checkip.nu
checkjegesprek.nu
checklist.nu
checkmail.nu
checkonline.nu
checkpgo.nu
checkwattlinkoping.nu
checkwoningwaarde.nu
cheerelite.nu
cheerio.nu
cheers.nu
cheerspub.nu
cheese.nu
cheeseburgerme.nu
cheesecake.nu
cheeseshop.nu
cheeseslicer.nu
chefakademin.nu
chefaklagare.nu
chefamedmodochmening.nu

DNS History

6 records (6 active, 0 former)

NSbrett.ns.cloudflare.comreza.ns.cloudflare.comA104.21.70.196172.67.138.2362606:4700:3031::6815:46c42606:4700:3035::ac43:8aec
●NSbrett.ns.cloudflare.com2026-09-15 → 2026-09-20 · 2 obs
● 2026-09-15 21:05:12
● 2026-09-20 15:41:36
●NSreza.ns.cloudflare.com2026-09-15 → 2026-09-20 · 2 obs
● 2026-09-15 21:05:12
● 2026-09-20 15:41:36
●A104.21.70.1962026-09-15 → 2026-09-20 · 2 obs
● 2026-09-15 21:05:12
● 2026-09-20 15:41:36
●A172.67.138.2362026-09-15 → 2026-09-20 · 2 obs
● 2026-09-15 21:05:12
● 2026-09-20 15:41:36
●A2606:4700:3031::6815:46c42026-09-15 → 2026-09-20 · 2 obs
● 2026-09-15 21:05:12
● 2026-09-20 15:41:36
●A2606:4700:3035::ac43:8aec2026-09-15 → 2026-09-20 · 2 obs
● 2026-09-15 21:05:12
● 2026-09-20 15:41:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nua.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...15 records
checking.nubrett.ns.cloudflare.com, reza.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.76

NS records: brett.ns.cloudflare.com, reza.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checking.nu (unsigned zone)

⏱️ Timing

Total: 1276ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.70.196, 172.67.138.236
AAAA22606:4700:3031::6815:46c4, 2606:4700:3035::ac43:8aec
NS2brett.ns.cloudflare.com, reza.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brett.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 15

In-bailiwick: 15 (a.ns.nu, c.ns.nu, d.ns.nu...)

Analysis

IP Addresses

checking.nu has four IP addresses: 104.21.70.196, 172.67.138.236, 2606:4700:3031::6815:46c4 and 2606:4700:3035::ac43:8aec.

Among the host names that share IP numbers with checking.nu are monstermuleys.net, iris-experience.fr, (0x706f726e)trex150.top and two others.

Name Servers

Two name servers handle the delegation for checking.nu: brett.ns.cloudflare.com and reza.ns.cloudflare.com.

checking.nu has the same name server delegation as a number of other domains, such as speedtyping.workers.dev, tri-sectorhub.org, guwahatilive.in and two more.

checking.nu has at least partial name server overlap with other domains, such as wf2.pages.dev, impactdomainpartners.com, edge-5782a2c2.pages.dev and two others.

It is common to find these name servers paired with the name servers margaret.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

brett.ns.cloudflare.com resolves to 108.162.193.76, 172.64.33.76 and 173.245.59.76 among others, with 3 other IP addresses in total.

reza.ns.cloudflare.com resolves to 108.162.192.217, 172.64.32.217 and 173.245.58.217 among others, with 3 other IP addresses in total.