x-book.pl - robtex.com

x-book.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:19fa🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:86f3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.250Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.243🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalbert.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A2803:f800:50::6ca2:c13a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalbert.ns.cloudflare.com
A2a06:98c1:50::ac40:213a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalbert.ns.cloudflare.com
A108.162.193.58🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A172.64.33.58🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A173.245.59.58🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
NSdee.ns.cloudflare.com
A2606:4700:50::adf5:3a5d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdee.ns.cloudflare.com
A2803:f800:50::6ca2:c05d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdee.ns.cloudflare.com
A2a06:98c1:50::ac40:205d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdee.ns.cloudflare.com
A108.162.192.93🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdee.ns.cloudflare.com
A172.64.32.93🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdee.ns.cloudflare.com
A173.245.58.93🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdee.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c08::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f26.1e100.net
A2607:f8b0:4004:c08::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f27.1e100.net
A2607:f8b0:4004:c0b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f26.1e100.net
A2607:f8b0:4004:c0b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
A142.250.31.27🇺🇸 Google142.250.31.0/24
PTRbj-in-f27.1e100.net
A142.251.111.27🇺🇸 Google142.251.111.0/24
PTRbk-in-f27.1e100.net
A172.253.63.26🇺🇸 Google172.253.63.0/24
PTRbi-in-f26.1e100.net
A172.253.63.27🇺🇸 Google172.253.63.0/24
PTRbi-in-f27.1e100.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.250, 172.67.134.243
IPv6 hints2606:4700:3031::6815:19fa, 2606:4700:3032::ac43:86f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOAalbert.ns.cloudflare.comdns@cloudflare.com serial=2401811464

pl

DNSSEC🔒 Signed (DS record present)
NSa-dns.pl ⭐
NSb-dns.pl
NSd-dns.pl
NSf-dns.pl
NSh-dns.pl
NSj-dns.pl
TXTccTLD of Poland
SOAa-dns.pldnsmaster@nask.pl serial=1776839556

Previously MX for

x-book.pl

Same first word

x-book.pl
x-book.biz

Similar names

book-x.shop
ok-box.ru

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSalbert.ns.cloudflare.comdee.ns.cloudflare.comdns.home.pldns2.home.pldns3.home.plpid1.srv53.netpid2.srv53.orgMXsmtp.google.comx-book.plA104.21.25.250172.67.134.2432606:4700:3031::6815:19fa2606:4700:3032::ac43:86f351.68.107.551.68.97.21489.161.255.26
●NSalbert.ns.cloudflare.com2026-04-22 → 2026-04-22 · 2 obs
○ 2026-04-14 00:39:02
● 2026-04-22 18:39:50
●NSdee.ns.cloudflare.com2026-04-22 → 2026-04-22 · 2 obs
○ 2026-04-14 00:39:02
● 2026-04-22 18:39:50
○NSdns.home.pl2015-07-17 → 2016-12-22 · 4 obs
● 2015-07-17 02:45:30
● 2016-12-22 11:06:52
○ 2017-01-26 16:58:36
○ 2026-04-22 18:39:50
○NSdns2.home.pl2015-07-17 → 2016-12-22 · 4 obs
● 2015-07-17 02:45:30
● 2016-12-22 11:06:52
○ 2017-01-26 16:58:36
○ 2026-04-22 18:39:50
○NSdns3.home.pl2015-07-17 → 2016-12-22 · 4 obs
● 2015-07-17 02:45:30
● 2016-12-22 11:06:52
○ 2017-01-26 16:58:36
○ 2026-04-22 18:39:50
○NSpid1.srv53.net2026-04-14 → 2026-04-14 · 3 obs
○ 2017-01-26 16:58:36
● 2026-04-14 00:39:02
○ 2026-04-22 18:39:50
○NSpid2.srv53.org2026-04-14 → 2026-04-14 · 3 obs
○ 2017-01-26 16:58:36
● 2026-04-14 00:39:02
○ 2026-04-22 18:39:50
●MXsmtp.google.com2026-04-14 → 2026-04-22 · 3 obs
○ 2017-01-26 16:58:36
● 2026-04-14 00:39:02
● 2026-04-22 18:39:50
○MXx-book.pl2015-07-17 → 2016-12-22 · 4 obs
● 2015-07-17 02:45:30
● 2016-12-22 11:06:52
○ 2017-01-26 16:58:36
○ 2026-04-22 18:39:50
●A104.21.25.2502026-04-22 → 2026-04-22 · 2 obs
○ 2026-04-14 00:39:02
● 2026-04-22 18:39:50
●A172.67.134.2432026-04-22 → 2026-04-22 · 2 obs
○ 2026-04-14 00:39:02
● 2026-04-22 18:39:50
●A2606:4700:3031::6815:19fa2026-04-22 → 2026-04-22 · 2 obs
○ 2026-04-14 00:39:02
● 2026-04-22 18:39:50
●A2606:4700:3032::ac43:86f32026-04-22 → 2026-04-22 · 2 obs
○ 2026-04-14 00:39:02
● 2026-04-22 18:39:50
○A51.68.107.52026-04-14 → 2026-04-14 · 3 obs
○ 2017-01-26 16:58:36
● 2026-04-14 00:39:02
○ 2026-04-22 18:39:50
○A51.68.97.2142026-04-14 → 2026-04-14 · 3 obs
○ 2017-01-26 16:58:36
● 2026-04-14 00:39:02
○ 2026-04-22 18:39:50
○A89.161.255.262015-07-17 → 2016-12-22 · 4 obs
● 2015-07-17 02:45:30
● 2016-12-22 11:06:52
○ 2017-01-26 16:58:36
○ 2026-04-22 18:39:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
x-book.pldee.ns.cloudflare.com, albert.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.93

NS records: dee.ns.cloudflare.com, albert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for x-book.pl (unsigned zone)

⏱️ Timing

Total: 1035ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.25.250, 172.67.134.243
AAAA22606:4700:3032::ac43:86f3, 2606:4700:3031::6815:19fa
NS2albert.ns.cloudflare.com, dee.ns.cloudflare.com
MX1SMTP.GOOGLE.COM (pri: 1)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1albert.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

Four IP numbers are pointed to by x-book.pl: 2606:4700:3031::6815:19fa, 2606:4700:3032::ac43:86f3, 104.21.25.250 and 172.67.134.243.

other host names including nortify.site, retirementaccounts.com, pradaortiz.com, deltaclaims.co.uk and osiriscorp.net share IP numbers with x-book.pl.

Name Servers

x-book.pl is delegated to two name servers albert.ns.cloudflare.com and dee.ns.cloudflare.com.

x-book.pl shares the same name server setup as other domains, for instance liberationmuseum.com, flowdashboards.com, i1233.com, (0x706f726e)o-info.de and ebace.aero.

x-book.pl at least partially shares name servers with other domains, for instance tntmanagement.com, importexotics.com, russoautosales.com, supportfrenchhospital.us and hot-(0x6d696c66).pics.

These name servers are commonly used with marissa.ns.cloudflare.com, buck.ns.cloudflare.com and beth.ns.cloudflare.com.

Host names with six IP numbers:

Host name albert.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3a, 2803:f800:50::6ca2:c13a, 2a06:98c1:50::ac40:213a, 108.162.193.58, 172.64.33.58 and 173.245.59.58.

Host name dee.ns.cloudflare.com points to: 2606:4700:50::adf5:3a5d, 2803:f800:50::6ca2:c05d, 2a06:98c1:50::ac40:205d, 108.162.192.93, 172.64.32.93 and 173.245.58.93.

Mail Servers

x-book.pl is handled by a single mail server, smtp.google.com.

x-book.pl shares the same mail server setup as other domains, for instance educc.org, o-d-l.com, 360ms.in, omniverse-sg.com and jonesfh.com.

x-book.pl shares some mail servers with other domains, at least partially, for instance drmilk.org, trackrover.com, indusindia.com, barkpackers.com and thatsgrose.com.

smtp.google.com points to nine IPs: 2607:f8b0:4004:c08::1a, 2607:f8b0:4004:c08::1b, 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c0b::1b, 142.250.31.26, 142.250.31.27, 142.251.111.27, 172.253.63.26 and 172.253.63.27.