www.null-pointer.co.uk - robtex.com

www.null-pointer.co.uk

CNAMEhosting.gitbook.com
CNAMEhosting.gitbook.io
DNSSEC⚠️ Not signed
A2606:4700:4402::ac40:93d1🇺🇸 Cloudflare2606:4700:4402::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:4407::6812:282f🇺🇸 Cloudflare2606:4700:4407::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.40.47Cloudflare104.18.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.147.209🇺🇸 Cloudflare172.64.147.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.18.40.47, 172.64.147.209
IPv62606:4700:4402::ac40:93d1, 2606:4700:4407::6812:282f

null-pointer.co.uk

CNAMEwww.null-pointer.co.uk
CNAMEhosting.gitbook.com
CNAMEhosting.gitbook.io
DNSSEC⚠️ Not signed
A2606:4700:4402::ac40:93d1🇺🇸 Cloudflare2606:4700:4402::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:4407::6812:282f🇺🇸 Cloudflare2606:4700:4407::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.40.47Cloudflare104.18.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.147.209🇺🇸 Cloudflare172.64.147.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.18.40.47, 172.64.147.209
IPv62606:4700:4402::ac40:93d1, 2606:4700:4407::6812:282f

Previously MX for

null-pointer.co.uk
www.null-pointer.co.uk

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DNS History

9 records (1 active, 8 former)

201520162017201820192020202120222023202420252026NSuk2net.comultra103.uk2.netultra104.uk2.netMXnull-pointer.co.ukwww.null-pointer.co.ukA208.86.153.48CNAMEhosting.gitbook.comnull-pointer.co.ukwww.gitbooks.io
○NSuk2net.com2015-11-01 → 2016-12-16 · 4 obs
● 2015-11-01 05:41:36
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
○NSultra103.uk2.net2015-11-01 → 2016-12-16 · 4 obs
● 2015-11-01 05:41:36
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
○NSultra104.uk2.net2015-11-01 → 2016-12-16 · 4 obs
● 2015-11-01 05:41:36
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
○MXnull-pointer.co.uk2015-11-01 → 2016-12-16 · 4 obs
● 2015-11-01 05:41:36
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
○MXwww.null-pointer.co.uk2015-11-01 → 2016-12-16 · 4 obs
● 2015-11-01 05:41:36
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
○A208.86.153.482014-09-22 → 2016-12-16 · 4 obs
● 2014-09-22 19:51:46
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
●CNAMEhosting.gitbook.com2026-02-19 → 2026-03-29 · 3 obs
○ 2020-02-29 12:45:14
● 2026-02-19 03:44:08
● 2026-03-29 22:09:36
○CNAMEnull-pointer.co.uk2014-09-22 → 2016-12-16 · 4 obs
● 2014-09-22 19:51:46
● 2016-12-16 19:19:14
○ 2020-02-29 12:45:14
○ 2026-03-29 22:09:36
○CNAMEwww.gitbooks.io2020-02-29 → 2020-02-29 · 4 obs
○ 2016-12-16 19:19:14
● 2020-02-29 12:45:14
○ 2026-02-19 03:44:08
○ 2026-03-29 22:09:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns1.nic.uk, dns3.nic.uk, nsc.nic.uk, nsa.nic.uk...-
null-pointer.co.ukultra103.uk2.net, ultra104.uk2.net-

✅ Authoritative Response

Server:77.92.66.26

NS records: ultra103.uk2.net, ultra104.uk2.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for null-pointer.co.uk (unsigned zone)

⏱️ Timing

Total: 521ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1hosting.gitbook.com

Analysis

IP Addresses

www.null-pointer.co.uk resolves to four IP numbers: 2606:4700:4402::ac40:93d1, 2606:4700:4407::6812:282f, 104.18.40.47 and 172.64.147.209.

other host names for instance logiin-coiunbasepro.gitbook.io, coennbaseprolugenh.gitbook.io, robimh0ud-login.gitbook.io, cbasseproslogin.gitbook.io and robinuihdoologin.gitbook.io share IP numbers with www.null-pointer.co.uk.