ostf.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

ostf.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:477e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9153🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.126Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.83🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdamien.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ca8Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c3a8Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:23a8Cloudflare2a06:98c1:50::/45
A108.162.195.168Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.44.168Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.35.168Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSevangeline.ns.cloudflare.com
A2606:4700:50::a29f:2606Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c206Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:2206Cloudflare2a06:98c1:50::/45
A108.162.194.6Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.6Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.6Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(26)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(81)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.71.126, 172.67.145.83
IPv6 hints2606:4700:3030::6815:477e, 2606:4700:3035::ac43:9153
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=235, name=cloudflare-ech.com
SOAdamien.ns.cloudflare.comdns@cloudflare.com serial=2418296855

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

ostf.shop
ostf.net
ostf.asia
ostf.in
ostf.online
ostf.de
ostf.dev
ostf.cn
ostf.com
ostf.ir
ostf.us
ostf.org

Similar names

fsto.ru
tfos.co.uk
fots.at
soft.com.br
ofts.fr
tsfo.info
ftos.cn
soft.network
soft.to
tosf.pages.dev
tosf.be
sfto.pages.dev
soft.cx
soft.now.sh
osft.net
fost.cz
soft.kiev.ua
soft.works
fots.se
soft.house
soft.dscloud.me
ftso.org.tr
soft.market
soft.builders
soft.ru
soft.org.pe
sfot.fr
soft.hm
fsot.org
fost.us
ofst.cn
tfos.one
soft.us
tsof.news
soft.latino
soft.company
osft.cn
fots.no
fost.eu
soft.dev
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soft.sk
sfto.cc
tsof.se
fots.cc
soft.cn.ua
soft.fund
ftso.au
fots.jp
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sfot.net
fost.uk
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stof.at
soft.sh
soft.kr
soft.money
ftso.eu
tofs.xyz
soft.me
fost.org
stof.se
ftso.com
tosf.fr
soft.net.tr
otfs.com.au
soft.ws
soft.edu.kg
fots.ru
soft.energy
ftos.xyz
tfos.com
osft.com
soft.rest
fost.sk
soft.lima.zone
ofst.org.ph
tofs.cn
fost.ph
soft.aero
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ofst.ph
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soft.info
soft.ge
stof.fail
sotf.us
soft.com.mx
soft.digital
sfto.net
ftos.co.th
soft.qa
soft.kg
sfot.photos
soft.ro
sfto.cn
tfos.group
soft.watch

Previous names

ostbye.dev
oste.dev
ostec.dev
ostefani.dev
osteino.dev
ostendo.dev
ostendorf.dev
osteo.dev
ostep.dev
oster.dev
osterberg.dev
ostercappeln.dev
ostergard.dev
osterian.dev
osterlin.dev
osterlind.dev
osterlund.dev
osterman.dev
ostertag.dev
ostest.dev

Next names

ostfalia.dev
ostfaliastudent.dev
ostheneo.dev
ostholt.dev
osthues.dev
osti.dev
ostia.dev
ostiary.dev
osticket.dev
ostico.dev
ostinato.dev
ostium.dev
ostivo.dev
ostler.dev
ostlin.dev
ostlund.dev
ostma.dev
osto.dev
ostof.dev
oston.dev

DNS History

9 records (9 active, 0 former)

NSdamien.ns.cloudflare.comevangeline.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.71.126172.67.145.832606:4700:3030::6815:477e2606:4700:3035::ac43:9153
●NSdamien.ns.cloudflare.com2026-10-23 → 2026-10-27 · 2 obs
● 2026-10-23 15:58:16
● 2026-10-27 23:14:12
●NSevangeline.ns.cloudflare.com2026-10-23 → 2026-10-27 · 2 obs
● 2026-10-23 15:58:16
● 2026-10-27 23:14:12
●MXroute1.mx.cloudflare.net2026-10-23 → 2026-10-27 · 2 obs
● 2026-10-23 15:58:16
● 2026-10-27 23:14:12
●MXroute2.mx.cloudflare.net2026-10-23 → 2026-10-27 · 2 obs
● 2026-10-23 15:58:16
● 2026-10-27 23:14:12
●MXroute3.mx.cloudflare.net2026-10-23 → 2026-10-27 · 2 obs
● 2026-10-23 15:58:16
● 2026-10-27 23:14:12
●A104.21.71.1262026-10-27 → 2026-10-27 · 2 obs
● 2026-10-27 07:41:04
● 2026-10-27 23:14:12
●A172.67.145.832026-10-27 → 2026-10-27 · 2 obs
● 2026-10-27 07:41:04
● 2026-10-27 23:14:12
●A2606:4700:3030::6815:477e2026-10-27 → 2026-10-27 · 2 obs
● 2026-10-27 07:41:04
● 2026-10-27 23:14:12
●A2606:4700:3035::ac43:91532026-10-27 → 2026-10-27 · 2 obs
● 2026-10-27 07:41:04
● 2026-10-27 23:14:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
ostf.devdamien.ns.cloudflare.com, evangeline.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.6

NS records: damien.ns.cloudflare.com, evangeline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostf.dev (unsigned zone)

⏱️ Timing

Total: 2459ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.71.126, 172.67.145.83
AAAA22606:4700:3035::ac43:9153, 2606:4700:3030::6815:477e
NS2damien.ns.cloudflare.com, evangeline.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 16), route2.mx.cloudflare.net (pri: 26)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1damien.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

ostf.dev directs to four IP numbers, which are 104.21.71.126, 172.67.145.83, 2606:4700:3030::6815:477e and 2606:4700:3035::ac43:9153.

Name Servers

The NS records for ostf.dev delegate to damien.ns.cloudflare.com and evangeline.ns.cloudflare.com.

The name server configuration of ostf.dev is shared with other domains, for instance ajskw.shop, milochase13.workers.dev, mfcme-in.pages.dev and two others.

Hosts with 6 IP addresses each:

damien.ns.cloudflare.com maps to 108.162.195.168, 162.159.44.168, 172.64.35.168 and 3 additional IP addresses.

evangeline.ns.cloudflare.com maps to 108.162.194.6, 162.159.38.6, 172.64.34.6 and 3 additional IP addresses.

Mail Servers

The MX records for ostf.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.