previewfile.dev - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

previewfile.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:921eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::6815:1c79πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.28.121Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.146.30πŸ‡ΊπŸ‡Έ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSburt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A2803:f800:50::6ca2:c14fπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRburt.ns.cloudflare.com
A2a06:98c1:50::ac40:214fπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRburt.ns.cloudflare.com
A108.162.193.79πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A172.64.33.79πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A173.245.59.79πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
NSsloan.ns.cloudflare.com
A2606:4700:50::a29f:2634πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A2803:f800:50::6ca2:c234πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsloan.ns.cloudflare.com
A2a06:98c1:50::ac40:2234πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRsloan.ns.cloudflare.com
A108.162.194.52πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A162.159.38.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A172.64.34.52πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTgoogle-site-verification=mP4ctNbOnN5qTvc9x1QGfhNuF2KefBhuzQO3Dqkh7UI
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.28.121, 172.67.146.30
IPv6 hints2606:4700:3033::ac43:921e, 2606:4700:3037::6815:1c79
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOAburt.ns.cloudflare.comdns@cloudflare.com serial=2412789683

dev

DNSSECπŸ”’ 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
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

12 records (8 active, 4 former)

NSburt.ns.cloudflare.comsloan.ns.cloudflare.comMXmxbiz1.qq.commxbiz2.qq.comA104.21.28.121172.67.146.302606:4700:3033::ac43:921e2606:4700:3037::6815:1c79188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSburt.ns.cloudflare.com2026-08-30 β†’ 2026-09-04 Β· 2 obs
● 2026-08-30 19:19:46
● 2026-09-04 09:37:04
●NSsloan.ns.cloudflare.com2026-08-30 β†’ 2026-09-04 Β· 2 obs
● 2026-08-30 19:19:46
● 2026-09-04 09:37:04
●MXmxbiz1.qq.com2026-08-30 β†’ 2026-09-04 Β· 2 obs
● 2026-08-30 19:19:46
● 2026-09-04 09:37:04
●MXmxbiz2.qq.com2026-08-30 β†’ 2026-09-04 Β· 2 obs
● 2026-08-30 19:19:46
● 2026-09-04 09:37:04
●A104.21.28.1212026-09-03 β†’ 2026-09-04 Β· 3 obs
β—‹ 2026-08-30 19:19:46
● 2026-09-03 19:56:40
● 2026-09-04 09:37:04
●A172.67.146.302026-09-03 β†’ 2026-09-04 Β· 3 obs
β—‹ 2026-08-30 19:19:46
● 2026-09-03 19:56:40
● 2026-09-04 09:37:04
β—‹A188.114.96.02026-08-30 β†’ 2026-08-30 Β· 3 obs
● 2026-08-30 19:19:46
β—‹ 2026-09-03 19:56:40
β—‹ 2026-09-04 09:37:04
β—‹A188.114.97.02026-08-30 β†’ 2026-08-30 Β· 3 obs
● 2026-08-30 19:19:46
β—‹ 2026-09-03 19:56:40
β—‹ 2026-09-04 09:37:04
●A2606:4700:3033::ac43:921e2026-09-03 β†’ 2026-09-04 Β· 3 obs
β—‹ 2026-08-30 19:19:46
● 2026-09-03 19:56:40
● 2026-09-04 09:37:04
●A2606:4700:3037::6815:1c792026-09-03 β†’ 2026-09-04 Β· 3 obs
β—‹ 2026-08-30 19:19:46
● 2026-09-03 19:56:40
● 2026-09-04 09:37:04
β—‹A2a06:98c1:3120::2026-08-30 β†’ 2026-08-30 Β· 3 obs
● 2026-08-30 19:19:46
β—‹ 2026-09-03 19:56:40
β—‹ 2026-09-04 09:37:04
β—‹A2a06:98c1:3121::2026-08-30 β†’ 2026-08-30 Β· 3 obs
● 2026-08-30 19:19:46
β—‹ 2026-09-03 19:56:40
β—‹ 2026-09-04 09:37:04

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
previewfile.devburt.ns.cloudflare.com, sloan.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.38.52

NS records: burt.ns.cloudflare.com, sloan.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for previewfile.dev (unsigned zone)

⏱️ Timing

Total: 770ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.146.30, 104.21.28.121
AAAA22606:4700:3037::6815:1c79, 2606:4700:3033::ac43:921e
NS2burt.ns.cloudflare.com, sloan.ns.cloudflare.com
MX2mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)
TXT1google-site-verification=mP4ctNbOnN5qTvc
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1burt.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

previewfile.dev points to the four IP addresses 104.21.28.121, 172.67.146.30, 2606:4700:3033::ac43:921e and 2606:4700:3037::6815:1c79.

Two other host names, along with 99y888.net, datowin.org and drszu.com, also share IP numbers with previewfile.dev.

Name Servers

previewfile.dev uses two name servers for its delegation: burt.ns.cloudflare.com and sloan.ns.cloudflare.com.

previewfile.dev shares its NS records with other domains, for example manymornings.com, roundcube-panel.com, maildrone.ai and two others.

The name servers of previewfile.dev overlap at least partially with those of other domains β€” among them wren463708.pages.dev, partnerclicks.nl, juliancordero88.workers.dev and two more.

The name servers kanye.ns.cloudflare.com, trey.ns.cloudflare.com and desi.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

Hostname burt.ns.cloudflare.com directs to 108.162.193.79, 172.64.33.79 and 173.245.59.79 along with 3 other IP addresses.

Hostname sloan.ns.cloudflare.com directs to 108.162.194.52, 162.159.38.52 and 172.64.34.52 along with 3 other IP addresses.

Mail Servers

previewfile.dev is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with previewfile.dev are chuangyugou.com, ekiminternational.net, landaotech.cn and two others.

There is at least a partial MX overlap between previewfile.dev and other domains, including anlytech.cn, lhjsjt.net, xtrb.cn and two others.