felsen.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

felsen.dev

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:4d1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8472🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.209Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.114🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchip.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b54🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchip.ns.cloudflare.com
A2803:f800:50::6ca2:c154🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchip.ns.cloudflare.com
A2a06:98c1:50::ac40:2154🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchip.ns.cloudflare.com
A108.162.193.84🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchip.ns.cloudflare.com
A172.64.33.84🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchip.ns.cloudflare.com
A173.245.59.84🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchip.ns.cloudflare.com
NSlana.ns.cloudflare.com
A2606:4700:50::adf5:3ab6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlana.ns.cloudflare.com
A2803:f800:50::6ca2:c0b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlana.ns.cloudflare.com
A2a06:98c1:50::ac40:20b6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlana.ns.cloudflare.com
A108.162.192.182🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlana.ns.cloudflare.com
A172.64.32.182🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlana.ns.cloudflare.com
A173.245.58.182🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlana.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.209, 172.67.132.114
IPv6 hints2606:4700:3034::6815:4d1, 2606:4700:3036::ac43:8472
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOAchip.ns.cloudflare.comdns@cloudflare.com serial=2419347295

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

felsen.one
felsen.eu
felsen.ch
felsen.mx
felsen.enterprises
felsen.co.in
felsen.by
felsen.be
felsen.uz
felsen.net
felsen.co
felsen.rocks
felsen.xyz
felsen.de
felsen.info
felsen.cloud
felsen.us
felsen.io
felsen.ventures
felsen.dev
felsen.com.au
felsen.it
felsen.cl
felsen.co.tz
felsen.com.br
felsen.com.tr
felsen.com
felsen.cz

Similar names

elfens.se
enslfe.ph
eflens.com
nesfle.com.ph
senfel.com
senelf.de
eflens.co.uk
snfeel.co.kr
elfens.com
nfeels.com
elsenf.com
fensel.de
eflens.net
flense.com
fleens.com
fensel.com
feslen.com
enfles.beer
neself.com
fsenel.com
enself.eu
flense.net
fenles.si
seflen.com.ph
flense.xyz
selfne.co.uk
flense.org.ph
flense.dev
felens.xyz
seelnf.hu
flense.info
fenles.com
flense.org
flense.space
enself.com
feesnl.com
flenes.com
selfen.com
lefens.net
fesnel.com
nlesfe.space
flesen.de
nefles.com
lnfese.ph
lefens.com
elfens.fun
lefnes.com.ph
felens.com
fensel.com.tr
elsfen.de
lesfen.freeboxos.fr
flseen.com
fesnel.at
seflen.sbs
seflen.me
eflens.dk
enlfse.cn
felnes.pl
enself.cn

Previous names

fellowtech.dev
fells.dev
fellwin.dev
felly.dev
fellypekekis.dev
felnull.dev
felo.dev
felomax.dev
felon.dev
felonious.dev
felonium.dev
feloxi.dev
feloy.dev
feloz.dev
felp.dev
felpo.dev
felps.dev
felrov.dev
fels.dev
felseg.dev

Next names

felsflow.dev
felsic.dev
felss.dev
felstead.dev
felsync.dev
felt-loom.dev
felt.dev
feltaxis.dev
feltbok.dev
felte.dev
feltedred.dev
felten.dev
feltes.dev
feltiq.dev
feltlab.dev
feltnerm.dev
felton-cross.dev
feltoncross.dev
feltrinemilio.dev
felttruth.dev

DNS History

12 records (8 active, 4 former)

NSchip.ns.cloudflare.comlana.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA104.21.4.209172.67.132.1142606:4700:3034::6815:4d12606:4700:3036::ac43:8472188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSchip.ns.cloudflare.com2026-09-02 → 2026-11-13 · 2 obs
● 2026-09-02 02:57:10
● 2026-11-13 22:28:02
●NSlana.ns.cloudflare.com2026-09-02 → 2026-11-13 · 2 obs
● 2026-09-02 02:57:10
● 2026-11-13 22:28:02
●MXin1-smtp.messagingengine.com2026-09-02 → 2026-11-13 · 2 obs
● 2026-09-02 02:57:10
● 2026-11-13 22:28:02
●MXin2-smtp.messagingengine.com2026-09-02 → 2026-11-13 · 2 obs
● 2026-09-02 02:57:10
● 2026-11-13 22:28:02
●A104.21.4.2092026-09-05 → 2026-11-13 · 5 obs
○ 2026-09-02 02:57:10
● 2026-09-05 09:00:00
○ 2026-09-29 18:51:42
● 2026-10-21 17:07:08
● 2026-11-13 22:28:02
●A172.67.132.1142026-09-05 → 2026-11-13 · 5 obs
○ 2026-09-02 02:57:10
● 2026-09-05 09:00:00
○ 2026-09-29 18:51:42
● 2026-10-21 17:07:08
● 2026-11-13 22:28:02
○A188.114.96.02026-09-02 → 2026-09-29 · 5 obs
● 2026-09-02 02:57:10
○ 2026-09-05 09:00:00
● 2026-09-29 18:51:42
○ 2026-10-21 17:07:08
○ 2026-11-13 22:28:02
○A188.114.97.02026-09-02 → 2026-09-29 · 5 obs
● 2026-09-02 02:57:10
○ 2026-09-05 09:00:00
● 2026-09-29 18:51:42
○ 2026-10-21 17:07:08
○ 2026-11-13 22:28:02
●A2606:4700:3034::6815:4d12026-09-05 → 2026-11-13 · 5 obs
○ 2026-09-02 02:57:10
● 2026-09-05 09:00:00
○ 2026-09-29 18:51:42
● 2026-10-21 17:07:08
● 2026-11-13 22:28:02
●A2606:4700:3036::ac43:84722026-09-05 → 2026-11-13 · 5 obs
○ 2026-09-02 02:57:10
● 2026-09-05 09:00:00
○ 2026-09-29 18:51:42
● 2026-10-21 17:07:08
● 2026-11-13 22:28:02
○A2a06:98c1:3120::2026-09-02 → 2026-09-29 · 5 obs
● 2026-09-02 02:57:10
○ 2026-09-05 09:00:00
● 2026-09-29 18:51:42
○ 2026-10-21 17:07:08
○ 2026-11-13 22:28:02
○A2a06:98c1:3121::2026-09-02 → 2026-09-29 · 5 obs
● 2026-09-02 02:57:10
○ 2026-09-05 09:00:00
● 2026-09-29 18:51:42
○ 2026-10-21 17:07:08
○ 2026-11-13 22:28:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
felsen.devchip.ns.cloudflare.com, lana.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.84

NS records: chip.ns.cloudflare.com, lana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for felsen.dev (unsigned zone)

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.4.209, 172.67.132.114
AAAA22606:4700:3036::ac43:8472, 2606:4700:3034::6815:4d1
NS2chip.ns.cloudflare.com, lana.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ~
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chip.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

felsen.dev directs to four IP numbers, which are 104.21.4.209, 172.67.132.114, 2606:4700:3034::6815:4d1 and 2606:4700:3036::ac43:8472.

Two other host names, along with liqtek.com, zkdarkpool.vip and 33dreamweaver.com, also share IP numbers with felsen.dev.

Name Servers

felsen.dev is served by two delegated name servers, chip.ns.cloudflare.com and lana.ns.cloudflare.com.

felsen.dev shares its NS records with other domains, for example ilovebeaute.com, lampelec-lehavre.com, plainesmarguerite-shop.fr and two others.

There is at least partial name server overlap between felsen.dev and other domains — cro-sales-comp-quota-plan.pages.dev, vitalberatungal.info, zhongaojianzhu.com and two more among them.

These name servers tend to appear in combination with the name servers skip.ns.cloudflare.com, sevki.ns.cloudflare.com, bradley.ns.cloudflare.com and gwen.ns.cloudflare.com.

DNS names with 6 IP addresses:

chip.ns.cloudflare.com carries IP addresses 108.162.193.84, 172.64.33.84 and 173.245.59.84, with 3 other addresses beyond those.

lana.ns.cloudflare.com carries IP addresses 108.162.192.182, 172.64.32.182 and 173.245.58.182, with 3 other addresses beyond those.

Mail Servers

felsen.dev is served by two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

Among the domains sharing a mail server setup with felsen.dev are volutabrum.de, pobox.co.in, xilidev.com and two others.

Some mail servers of felsen.dev are also used by other domains, notably lantoscoatings.com and paymate.it.com.

DNS names with 8 IP addresses:

in1-smtp.messagingengine.com carries IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, with 5 other addresses beyond those.

Host names that resolve to four IP numbers:

in2-smtp.messagingengine.com resolves to four IP addresses — 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.