josf.dev - robtex.com

josf.dev

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:3e95🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:88b5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.62.149Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.181🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSabby.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabby.ns.cloudflare.com
A2803:f800:50::6ca2:c064🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRabby.ns.cloudflare.com
A2a06:98c1:50::ac40:2064🇺🇸 Cloudflare2a06:98c1:50::/45
PTRabby.ns.cloudflare.com
A108.162.192.100🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabby.ns.cloudflare.com
A172.64.32.100🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabby.ns.cloudflare.com
A173.245.58.100🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRabby.ns.cloudflare.com
NSmatt.ns.cloudflare.com
A2606:4700:58::adf5:3b83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A2803:f800:50::6ca2:c183🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatt.ns.cloudflare.com
A2a06:98c1:50::ac40:2183🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmatt.ns.cloudflare.com
A108.162.193.131🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A172.64.33.131🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
A173.245.59.131🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatt.ns.cloudflare.com
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=259f3765bdba54c9c68345c160a2e76a
TXTv=spf1 include:spf.tutanota.de -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.62.149, 172.67.136.181
IPv6 hints2606:4700:3035::6815:3e95, 2606:4700:3037::ac43:88b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOAabby.ns.cloudflare.comdns@cloudflare.com serial=2406636341

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

josf.se
josf.com
josf.biz
josf.dev

Similar names

jsof.org
fsoj.com
fjso.cn
jofs.org
jsof.ru
jsof.com
jsof.nl
jofs.or.kr
sjof.cn
sjof.com
jfso.ch
fojs.cl
ofjs.com
sjfo.com
jofs.jp
jsfo.de
fosj.com
ojfs.com
sfjo.org
jofs.se
sfjo.net
fosj.net
sojf.com
sfjo.com
jofs.com
jofs.in
ofsj.com
sofj.com
ofsj.de
jofs.nu
sofj.cn
fjos.no
ofsj.org
fsoj.ie
jsof.it
jofs.de
jofs.nl
sjfo.fr
jsfo.jp
sojf.dk

DNS History

7 records (7 active, 0 former)

NSabby.ns.cloudflare.commatt.ns.cloudflare.comMXmail.tutanota.deA104.21.62.149172.67.136.1812606:4700:3035::6815:3e952606:4700:3037::ac43:88b5
●NSabby.ns.cloudflare.com2026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04
●NSmatt.ns.cloudflare.com2026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04
●MXmail.tutanota.de2026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04
●A104.21.62.1492026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04
●A172.67.136.1812026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04
●A2606:4700:3035::6815:3e952026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04
●A2606:4700:3037::ac43:88b52026-06-10 → 2026-06-15 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-15 00:07:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
josf.devabby.ns.cloudflare.com, matt.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.100

NS records: abby.ns.cloudflare.com, matt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for josf.dev (unsigned zone)

⏱️ Timing

Total: 1237ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.62.149, 172.67.136.181
AAAA22606:4700:3035::6815:3e95, 2606:4700:3037::ac43:88b5
NS2abby.ns.cloudflare.com, matt.ns.cloudflare.com
MX1mail.tutanota.de (pri: 10)
TXT2t-verify=259f3765bdba54c9c68345c160a2e76, v=spf1 include:spf.tutanota.de -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1abby.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

josf.dev directs to four IP numbers, which are 104.21.62.149, 172.67.136.181, 2606:4700:3035::6815:3e95 and 2606:4700:3037::ac43:88b5.

Two other host names, along with www.bdsm-fiction.com, cncmetalworking.com and www.kvsroagra.org, also share IP numbers with josf.dev.

Name Servers

josf.dev is served by two delegated name servers, abby.ns.cloudflare.com and matt.ns.cloudflare.com.

josf.dev shares its NS records with other domains, for example shopfiles.com, gontsov.net, mekdental.ca and two others.

The name servers of josf.dev overlap at least partially with those of other domains — among them qlikmonitoring.com, greenbergcosmeticsurgery.com, libria.fr and two more.

These name servers commonly appear alongside the name servers lloyd.ns.cloudflare.com and seth.ns.cloudflare.com.

DNS names with 6 IP addresses:

abby.ns.cloudflare.com carries IP addresses 108.162.192.100, 172.64.32.100 and 173.245.58.100, with 3 other addresses beyond those.

matt.ns.cloudflare.com carries IP addresses 108.162.193.131, 172.64.33.131 and 173.245.59.131, with 3 other addresses beyond those.

Mail Servers

The sole mail server for josf.dev is mail.tutanota.de.

Among the domains sharing a mail server setup with josf.dev are tsug.gs, massvorhang.com, fotoprecios.es and two others.

josf.dev has mail servers in common with other domains — dameul.nl being one example.

mail.tutanota.de resolves to a set of three IP numbers: 185.205.69.211, 185.205.69.213 and 185.205.69.214.