dubzer.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

dubzer.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:17b6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:d479🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.182Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.121🇺🇸 Cloudflare172.67.208.0/20 , 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
NSkay.ns.cloudflare.com
A2606:4700:50::adf5:3a7d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A2803:f800:50::6ca2:c07d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkay.ns.cloudflare.com
A2a06:98c1:50::ac40:207d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkay.ns.cloudflare.com
A108.162.192.125🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A172.64.32.125🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A173.245.58.125🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
MXmailserver.purelymail.com ⭐
A18.204.123.63🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix
PTRec2-18-204-123-63.compute-1.amazonaws.com
TXTgoogle-site-verification=lgCf3X28AuTBFPK_SRhTrUVaXnuRGmEcKyORVVtuxlg
TXTpurelymail_ownership_proof=f78f6b0873c931637243cac13e4c4a9507d44bd3c51e7d541f...
TXTv=spf1 include:_spf.purelymail.com ~all
TXTyandex-verification: db3ae077fda51418
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.182, 172.67.212.121
IPv6 hints2606:4700:3030::6815:17b6, 2606:4700:3030::ac43:d479
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2413042139

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

dubzer.dev

Similar names

drubez.com
rezbud.com
rezbud.pl
rebudz.com
ebrzdu.com
ubdrez.com
duberz.com
eduzrb.com
bruzed.com
buerdz.com
dzuber.com
dubrez.ch
brzedu.com
rebzdu.synology.me
reduzb.cn
redbuz.com
dbruze.com
brzedu.cn
dbruze.myshopify.com
rezbud.com.pl

Previous names

dubiza.dev
dubizzle.dev
dubl.dev
dubline.dev
dublotech.dev
dubluce.dev
dubois.dev
duboseweb.dev
dubray.dev
dubreuil.dev
dubsado.dev
dubsector.dev
dubsie.dev
dubsof.dev
dubsuite.dev
dubtech.dev
dubtek.dev
dubu.dev
dubuc.dev
duby.dev

Next names

duc-minh.dev
duc-nguyen.dev
duca.dev
ducasse.dev
ducdang.dev
ducgiangtran.dev
duch.dev
duchaine.dev
duchak.dev
duchamp.dev
ducharmelabs.dev
duchars.dev
duchene.dev
duchev.dev
duchoang.dev
ducin.dev
ducit.dev
duck-pond.dev
duck.dev
duck8s.dev

DNS History

7 records (7 active, 0 former)

NSbrett.ns.cloudflare.comkay.ns.cloudflare.comMXmailserver.purelymail.comA104.21.23.182172.67.212.1212606:4700:3030::6815:17b62606:4700:3030::ac43:d479
●NSbrett.ns.cloudflare.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20
●NSkay.ns.cloudflare.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20
●MXmailserver.purelymail.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20
●A104.21.23.1822026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20
●A172.67.212.1212026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20
●A2606:4700:3030::6815:17b62026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20
●A2606:4700:3030::ac43:d4792026-09-02 → 2026-09-04 · 2 obs
● 2026-09-02 09:51:26
● 2026-09-04 07:34:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...-
dubzer.devkay.ns.cloudflare.com, brett.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.125

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dubzer.dev (unsigned zone)

⏱️ Timing

Total: 564ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.212.121, 104.21.23.182
AAAA22606:4700:3030::6815:17b6, 2606:4700:3030::ac43:d479
NS2brett.ns.cloudflare.com, kay.ns.cloudflare.com
MX1mailserver.purelymail.com (pri: 10)
TXT4google-site-verification=lgCf3X28AuTBFPK, purelymail_ownership_proof=f78f6b0873c93...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brett.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

dubzer.dev resolves to four IP addresses: 104.21.23.182, 172.67.212.121, 2606:4700:3030::6815:17b6 and 2606:4700:3030::ac43:d479.

Among the host names that share IP numbers with dubzer.dev are adobe-dns-2.red-mercury-for-sle84948.suomiblog.com, riverlchil.suomiblog.com, d8db2.click and two others.

Name Servers

dubzer.dev is served by two delegated name servers, brett.ns.cloudflare.com and kay.ns.cloudflare.com.

dubzer.dev has the same name server delegation as a number of other domains, such as 38xywd2o.workers.dev, depobangunan.biz.id, bs-brands.com and two more.

dubzer.dev shares at least some of its name servers with other domains, including returnsnull.com, gettractiondirect.com, sunlan-tech.com.cn and two others.

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

Host names resolving to 6 IP numbers:

brett.ns.cloudflare.com carries IP addresses 108.162.193.76, 172.64.33.76 and 173.245.59.76, with 3 other addresses beyond those.

kay.ns.cloudflare.com carries IP addresses 108.162.192.125, 172.64.32.125 and 173.245.58.125, with 3 other addresses beyond those.

Mail Servers

dubzer.dev routes its mail through a single mail server, mailserver.purelymail.com.

dubzer.dev has the same mail server arrangement as a number of other domains, for example voltesim.com, summitfundingcreditline.com, filksens.com and two more.

dubzer.dev shares at least some of its mail servers with other domains, such as ptc-ksa.net.

There is one IP number for mailserver.purelymail.com: 18.204.123.63.