proofbook.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

proofbook.dev

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:5b1f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a55d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.91.31Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.165.93🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSathena.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
A2803:f800:50::6ca2:c048🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRathena.ns.cloudflare.com
A2a06:98c1:50::ac40:2048🇺🇸 Cloudflare2a06:98c1:50::/45
PTRathena.ns.cloudflare.com
A108.162.192.72🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
A172.64.32.72🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
A173.245.58.72🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRathena.ns.cloudflare.com
NSboyd.ns.cloudflare.com
A2606:4700:58::adf5:3b4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
A2803:f800:50::6ca2:c14b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRboyd.ns.cloudflare.com
A2a06:98c1:50::ac40:214b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRboyd.ns.cloudflare.com
A108.162.193.75🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
A172.64.33.75🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
A173.245.59.75🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
MXmail.protonmail.ch ⭐
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTgoogle-site-verification=CNAD6z7hSDPAT3Ftpo-fOFrF1UwUxGp9LjX96xJfwlA
TXTprotonmail-verification=ae4a2b8d8089b477fa9ed64e45f0fa47ddc182f1
TXTv=spf1 include:_spf.protonmail.ch include:resend.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.91.31, 172.67.165.93
IPv6 hints2606:4700:3034::6815:5b1f, 2606:4700:3036::ac43:a55d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com
SOAathena.ns.cloudflare.comdns@cloudflare.com serial=2411839172

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

proofbook.ae
proofbook.ru
proofbook.xyz
proofbook.dev

Similar names

bookproof.app
bookproof.com.au
bookproof.net
profbooko.com
bookproof.com
bookproof.click
bookproof.xyz

Previous names

pronetwork.dev
pronetx.dev
pronext.dev
pronextjs.dev
pronghorn-software.dev
pronic.dev
pronk.dev
prono.dev
pronoic.dev
pronsh.dev
prontaro.dev
prontera.dev
prontiq.dev
prontmed.dev
prontoai.dev
prontodev.dev
prontograph.dev
pronummus.dev
pronuncia.dev
proodos.dev

Next names

proofdemo.dev
proofdocs.dev
proofer.dev
proofgate.dev
proofhq.dev
proofledger.dev
prooflove.dev
proofmail.dev
proofmark.dev
proofof.dev
proofofdata.dev
proofofeth.dev
proofpilot.dev
proofpin.dev
proofrail.dev
proofread.dev
proofreason.dev
proofs.dev
proofscript.dev
proofsight.dev

DNS History

8 records (8 active, 0 former)

NSathena.ns.cloudflare.comboyd.ns.cloudflare.comMXmail.protonmail.chmailsec.protonmail.chA104.21.91.31172.67.165.932606:4700:3034::6815:5b1f2606:4700:3036::ac43:a55d
●NSathena.ns.cloudflare.com2026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●NSboyd.ns.cloudflare.com2026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●MXmail.protonmail.ch2026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●MXmailsec.protonmail.ch2026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●A104.21.91.312026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●A172.67.165.932026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●A2606:4700:3034::6815:5b1f2026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40
●A2606:4700:3036::ac43:a55d2026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 08:36:46
● 2026-09-03 19:03:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
proofbook.devboyd.ns.cloudflare.com, athena.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.75

NS records: boyd.ns.cloudflare.com, athena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofbook.dev (unsigned zone)

⏱️ Timing

Total: 790ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.91.31, 172.67.165.93
AAAA22606:4700:3036::ac43:a55d, 2606:4700:3034::6815:5b1f
NS2athena.ns.cloudflare.com, boyd.ns.cloudflare.com
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT3google-site-verification=CNAD6z7hSDPAT3F, protonmail-verification=ae4a2b8d8089b477...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1athena.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

proofbook.dev has four IP addresses: 104.21.91.31, 172.67.165.93, 2606:4700:3034::6815:5b1f and 2606:4700:3036::ac43:a55d.

tarifguru.ru, kisskhtv.my, injuryclaimsolutions.co.uk plus two other host names have IP numbers in common with proofbook.dev.

Name Servers

The NS records for proofbook.dev delegate to athena.ns.cloudflare.com and boyd.ns.cloudflare.com.

The name server configuration of proofbook.dev is shared with other domains, for instance ussmmshop.com, iptvstnall.com, davidcoallier.com and two others.

proofbook.dev has at least partial name server overlap with other domains, such as sakuraix.net, cdtcad.com, resenhadavarzea.com.br and two others.

It is common to find these name servers paired with the name servers logan.ns.cloudflare.com.

Hosts with 6 IP addresses each:

athena.ns.cloudflare.com maps to 108.162.192.72, 172.64.32.72, 173.245.58.72 and 3 additional IP addresses.

boyd.ns.cloudflare.com maps to 108.162.193.75, 172.64.33.75, 173.245.59.75 and 3 additional IP addresses.

Mail Servers

proofbook.dev uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of proofbook.dev matches that of other domains such as sagen.me, anyaroze.com, rtfm.red and two others.

At least some of proofbook.dev's mail servers are shared with other domains, among them drclaireplumbly.com, noguerales.cloud, emanaton.com and assetouxango.com.

mail.protonmail.ch and mailsec.protonmail.ch each have three IP addresses — mail.protonmail.ch directs to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch directs to 176.119.200.129, 185.70.42.129 and 185.205.70.129.