josf.dev - dns.ninja

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=234, name=cloudflare-ech.com
SOAabby.ns.cloudflare.comdns@cloudflare.com serial=2407408354

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 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42
●NSmatt.ns.cloudflare.com2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42
●MXmail.tutanota.de2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42
●A104.21.62.1492026-06-10 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42
●A172.67.136.1812026-06-10 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42
●A2606:4700:3035::6815:3e952026-06-10 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42
●A2606:4700:3037::ac43:88b52026-06-10 → 2026-06-20 · 2 obs
● 2026-06-10 19:48:50
● 2026-06-20 03:55:42

🔍 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: 714ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.136.181, 104.21.62.149
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.

Among the host names that share IP numbers with josf.dev are www.bdsm-fiction.com, cncmetalworking.com, www.kvsroagra.org and two others.

Name Servers

josf.dev uses two name servers for its delegation: abby.ns.cloudflare.com and matt.ns.cloudflare.com.

josf.dev has the same name server delegation as a number of other domains, such as shopfiles.com, gontsov.net, mekdental.ca and two more.

At least some of josf.dev's name servers are shared with other domains, for example qlikmonitoring.com, greenbergcosmeticsurgery.com, libria.fr and two more.

These name servers tend to be deployed in combination with the name servers lloyd.ns.cloudflare.com and seth.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname abby.ns.cloudflare.com directs to 108.162.192.100, 172.64.32.100 and 173.245.58.100 along with 3 other IP addresses.

Hostname matt.ns.cloudflare.com directs to 108.162.193.131, 172.64.33.131 and 173.245.59.131 along with 3 other IP addresses.

Mail Servers

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

josf.dev has the same mail server arrangement as a number of other domains, for example tsug.gs, massvorhang.com, fotoprecios.es and two more.

josf.dev overlaps on mail servers with certain other domains, dameul.nl among them.

mail.tutanota.de directs to 185.205.69.211, 185.205.69.213 and 185.205.69.214 — three IP numbers in total.