flessner.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

flessner.dev

DNSSEC⚠️ Not signed
A2a09:8280:1::10b:b9af:0🇺🇸 FLYIO-12a09:8280:1::/48 Proxy Registration / Customer Route
PTRipv6.customer.flyio.net
A66.241.124.146🇺🇸 FLYIO-166.241.124.0/23 Fly.io Edge Network
NSpearl.ns.cloudflare.com ⭐
A2606:4700:50::a29f:268c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
A2803:f800:50::6ca2:c28c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpearl.ns.cloudflare.com
A2a06:98c1:50::ac40:228c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpearl.ns.cloudflare.com
A108.162.194.140🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
A162.159.38.140Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
A172.64.34.140🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpearl.ns.cloudflare.com
NSvern.ns.cloudflare.com
A2606:4700:58::adf5:3bf3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A2803:f800:50::6ca2:c1f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvern.ns.cloudflare.com
A2a06:98c1:50::ac40:21f3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvern.ns.cloudflare.com
A108.162.193.243🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.243🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.243🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmail.tutanota.de ⭐
A185.205.69.211🇺🇸 TUTA185.205.69.0/24
PTRmail.w11.tutanota.de
A185.205.69.213🇺🇸 TUTA185.205.69.0/24
PTRmail.w13.tutanota.de
A185.205.69.214🇺🇸 TUTA185.205.69.0/24
PTRmail.w14.tutanota.de
TXTt-verify=bd5e0b155a36cbbbe9ff585bec225790
TXTv=spf1 include:spf.tutanota.de -all
SOApearl.ns.cloudflare.comdns@cloudflare.com serial=2413127602

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

flessner.dev
flessner.at
flessner.de
flessner.com
flessner.eu
flessner.net
flessner.org

Similar names

flensers.monster
felssner.com.br
felsners.de
frelsens.no
felssner.eu
rflenses.com
felssner.de
frensels.eu
fresnels.com
frensels.de
felsners.at
frenless.com
lesnerfs.com
freslens.com
lesnerfs.fr
flensers.com

Previous names

flemingvincent.dev
flemma.dev
flemmard.dev
flemme.dev
flemming.dev
flemos.dev
flen.dev
fleno.dev
flens.dev
flense.dev
flenskistage.dev
flenskistage2.dev
fleon.dev
fler.dev
flerkenfrese.dev
flerkenlabs.dev
flerp.dev
fles.dev
fleshman.dev
flessabank.dev

Next names

flet.dev
fletchr.dev
fletchto99.dev
fletchworks.dev
flets.dev
fletten.dev
fleuble.dev
fleur.dev
fleurair.dev
fleuron.dev
fleuronapp.dev
fleurop.dev
flevera.dev
flew.dev
flex-ict.dev
flex-os.dev
flex.dev
flex2.dev
flex42.dev
flexa.dev

DNS History

5 records (5 active, 0 former)

NSpearl.ns.cloudflare.comvern.ns.cloudflare.comMXmail.tutanota.deA2a09:8280:1::10b:b9af:066.241.124.146
●NSpearl.ns.cloudflare.com2026-09-01 → 2026-09-09 · 2 obs
● 2026-09-01 01:15:06
● 2026-09-09 02:10:02
●NSvern.ns.cloudflare.com2026-09-01 → 2026-09-09 · 2 obs
● 2026-09-01 01:15:06
● 2026-09-09 02:10:02
●MXmail.tutanota.de2026-09-01 → 2026-09-09 · 2 obs
● 2026-09-01 01:15:06
● 2026-09-09 02:10:02
●A2a09:8280:1::10b:b9af:02026-09-01 → 2026-09-09 · 2 obs
● 2026-09-01 01:15:06
● 2026-09-09 02:10:02
●A66.241.124.1462026-09-01 → 2026-09-09 · 2 obs
● 2026-09-01 01:15:06
● 2026-09-09 02:10:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
flessner.devvern.ns.cloudflare.com, pearl.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.140

NS records: vern.ns.cloudflare.com, pearl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flessner.dev (unsigned zone)

⏱️ Timing

Total: 857ms | Queries: -

📄 Records

TypeCountSample Data
A166.241.124.146
AAAA12a09:8280:1::10b:b9af:0
NS2pearl.ns.cloudflare.com, vern.ns.cloudflare.com
MX1mail.tutanota.de (pri: 0)
TXT2t-verify=bd5e0b155a36cbbbe9ff585bec22579, v=spf1 include:spf.tutanota.de -all
SOA1pearl.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

flessner.dev has two IP addresses: 66.241.124.146 and 2a09:8280:1::10b:b9af:0

Among the host names that share IP numbers with flessner.dev are cosmicrose.dev, ga-isx-analyst.fly.dev, ezhealth.com and two others.

Name Servers

DNS delegation for flessner.dev points to two name servers: pearl.ns.cloudflare.com and vern.ns.cloudflare.com.

flessner.dev has the same name server delegation as a number of other domains, such as b-mart.uk, msrglobaltrading.com, apexautomotiveke.com and two more.

At least some of flessner.dev's name servers are shared with other domains, for example amversor.com, stongard.com, victordejong.net and two more.

These name servers tend to be used in conjunction with the name servers bailey.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

pearl.ns.cloudflare.com has IP addresses 108.162.194.140, 162.159.38.140 and 172.64.34.140, plus 3 other.

vern.ns.cloudflare.com has IP addresses 108.162.193.243, 172.64.33.243 and 173.245.59.243, plus 3 other.

Mail Servers

flessner.dev routes its mail through a single mail server, mail.tutanota.de.

flessner.dev has the same mail server arrangement as a number of other domains, for example starsep.com, runskiptrace.com, thomwilson.com and two more.

mail.tutanota.de has three IP addresses: 185.205.69.211, 185.205.69.213 and 185.205.69.214.