fserna.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

fserna.dev

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:adab🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:5022🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.80.34Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.171🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjeremy.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A2803:f800:50::6ca2:c1b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjeremy.ns.cloudflare.com
A2a06:98c1:50::ac40:21b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjeremy.ns.cloudflare.com
A108.162.193.180🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A172.64.33.180🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A173.245.59.180🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
NSjill.ns.cloudflare.com
A2606:4700:50::adf5:3a7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
A2803:f800:50::6ca2:c07a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjill.ns.cloudflare.com
A2a06:98c1:50::ac40:207a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjill.ns.cloudflare.com
A108.162.192.122🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
A172.64.32.122🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
A173.245.58.122🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
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
MXroute2.mx.cloudflare.net(58)
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
MXroute1.mx.cloudflare.net(98)
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
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.80.34, 172.67.173.171
IPv6 hints2606:4700:3032::ac43:adab, 2606:4700:3033::6815:5022
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com
SOAjeremy.ns.cloudflare.comdns@cloudflare.com serial=2414296919

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

fserna.dev

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Previous names

fsantos.dev
fsapp.dev
fsat.dev
fsbuilds.dev
fscene.dev
fsch.dev
fschlenk.dev
fschmid.dev
fschmidt.dev
fschmtt.dev
fschober.dev
fschoenberger.dev
fsck.dev
fscloud.dev
fsconline.dev
fscorestack.dev
fsd.dev
fsdigital.dev
fsdoc.dev
fseller.dev

Next names

fsero.dev
fsert.dev
fsg369.dev
fsghollow.dev
fsgmc.dev
fshapps.dev
fsharp.dev
fshn.dev
fshp.dev
fshretah.dev
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fsio.dev
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fsjs.dev
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fskab.dev

DNS History

9 records (9 active, 0 former)

NSjeremy.ns.cloudflare.comjill.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.80.34172.67.173.1712606:4700:3032::ac43:adab2606:4700:3033::6815:5022
●NSjeremy.ns.cloudflare.com2026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●NSjill.ns.cloudflare.com2026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●MXroute1.mx.cloudflare.net2026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●MXroute2.mx.cloudflare.net2026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●MXroute3.mx.cloudflare.net2026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●A104.21.80.342026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●A172.67.173.1712026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●A2606:4700:3032::ac43:adab2026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28
●A2606:4700:3033::6815:50222026-09-06 → 2026-09-08 · 2 obs
● 2026-09-06 13:39:46
● 2026-09-08 12:23:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
fserna.devjeremy.ns.cloudflare.com, jill.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.122

NS records: jeremy.ns.cloudflare.com, jill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fserna.dev (unsigned zone)

⏱️ Timing

Total: 1044ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.80.34, 172.67.173.171
AAAA22606:4700:3032::ac43:adab, 2606:4700:3033::6815:5022
NS2jeremy.ns.cloudflare.com, jill.ns.cloudflare.com
MX3route3.mx.cloudflare.net (pri: 10), route2.mx.cloudflare.net (pri: 58)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jeremy.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

fserna.dev points to the four IP addresses 104.21.80.34, 172.67.173.171, 2606:4700:3032::ac43:adab and 2606:4700:3033::6815:5022.

tasuy.com, hero-pagesstudio.de, nihaomeili.com and two other host names share IP numbers with fserna.dev.

Name Servers

DNS delegation for fserna.dev points to two name servers: jeremy.ns.cloudflare.com and jill.ns.cloudflare.com.

fserna.dev uses the same name servers as several other domains — among them novoinkingston.net, ourcontemporaryhome.co.uk, node-pgkvn5.workers.dev and two more.

At least some of fserna.dev's name servers are shared with other domains, for example semar123hot.site, kinetix.id, niujunjie.workers.dev and two more.

These name servers are often deployed together with the name servers dina.ns.cloudflare.com, gabriella.ns.cloudflare.com, tani.ns.cloudflare.com and roman.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jeremy.ns.cloudflare.com has IP addresses 108.162.193.180, 172.64.33.180 and 173.245.59.180, plus 3 other.

jill.ns.cloudflare.com has IP addresses 108.162.192.122, 172.64.32.122 and 173.245.58.122, plus 3 other.

Mail Servers

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

fserna.dev has at least partial mail server overlap with other domains such as 521566.me, factory534.com, vidjam.biz.id and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.