cgpbooks.org - robtex.com

cgpbooks.org

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.229🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1105.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:5369:100IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
A217.160.83.105IONOS-AS217.160.80.0/22 AS8560 anycast more specific
NSns1105.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5169:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1105.ui-dns.biz
A217.160.81.105🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1105.ui-dns.biz
NSns1105.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5269:100IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
A217.160.82.105IONOS-AS217.160.80.0/22 AS8560 anycast more specific
NSns1105.ui-dns.de
A2607:f1c0:fe:53:185:132:32:105IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
A185.132.32.105IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
MXmx00.ionos.co.uk ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.co.uk ⭐
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1105.ui-dns.orghostmaster@1and1.co.uk 2010-01-08 #6

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783801881

Same first word

cgpbooks.org
cgpbooks.net
cgpbooks.com
cgpbooks.trafficmanager.net
cgpbooks.biz
cgpbooks.co.uk
cgpbooks.mobi

Similar names

cpgbooks.co.uk
pcgbooks.com
gpcbooks.co.kr
pgcbooks.ca

DNS History

20 records (8 active, 12 former)

20162017201820192020202120222023202420252026NSns1105.ui-dns.bizns1105.ui-dns.comns1105.ui-dns.dens1105.ui-dns.orgns0.ukfast.netns1.ukfast.netns67.1and1.co.ukMXmx00.ionos.co.ukmx01.ionos.co.ukcust34108-1.in.mailcontrol.comcust34108-2.in.mailcontrol.commx00.1and1.co.ukmx01.1and1.co.ukA2001:8d8:100f:f000::200217.160.0.2292001:8d8:1000:6078:faf7:2886:ae96:c840217.160.233.20578.109.172.210CNAMEcgpbooks.co.ukwww.cgpbooks.co.uk
○NSns0.ukfast.net2015-12-18 → 2017-03-15 · 5 obs
○ 2015-08-08 12:03:36
● 2015-12-18 01:07:28
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
○NSns1.ukfast.net2015-12-18 → 2017-03-15 · 5 obs
○ 2015-08-08 12:03:36
● 2015-12-18 01:07:28
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
●NSns1105.ui-dns.biz2020-01-29 → 2026-07-11 · 3 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
● 2026-07-11 20:40:38
●NSns1105.ui-dns.com2020-01-29 → 2026-07-11 · 3 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
● 2026-07-11 20:40:38
●NSns1105.ui-dns.de2020-01-29 → 2026-07-11 · 3 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
● 2026-07-11 20:40:38
●NSns1105.ui-dns.org2020-01-29 → 2026-07-11 · 3 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
● 2026-07-11 20:40:38
○NSns67.1and1.co.uk2015-08-08 → 2017-03-15 · 4 obs
● 2015-08-08 12:03:36
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
○MXcust34108-1.in.mailcontrol.com2015-12-18 → 2017-03-15 · 4 obs
● 2015-12-18 01:07:28
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
○MXcust34108-2.in.mailcontrol.com2015-12-18 → 2017-03-15 · 4 obs
● 2015-12-18 01:07:28
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
○MXmx00.1and1.co.uk2020-01-29 → 2020-01-29 · 4 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
○ 2026-06-15 19:05:44
○ 2026-07-11 20:40:38
●MXmx00.ionos.co.uk2026-06-15 → 2026-07-11 · 3 obs
○ 2020-01-29 06:29:08
● 2026-06-15 19:05:44
● 2026-07-11 20:40:38
○MXmx01.1and1.co.uk2020-01-29 → 2020-01-29 · 4 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
○ 2026-06-15 19:05:44
○ 2026-07-11 20:40:38
●MXmx01.ionos.co.uk2026-06-15 → 2026-07-11 · 3 obs
○ 2020-01-29 06:29:08
● 2026-06-15 19:05:44
● 2026-07-11 20:40:38
○A2001:8d8:1000:6078:faf7:2886:ae96:c8402020-01-29 → 2020-01-29 · 4 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
○ 2026-06-15 19:05:44
○ 2026-07-11 20:40:38
●A2001:8d8:100f:f000::2002026-06-15 → 2026-07-11 · 3 obs
○ 2020-01-29 06:29:08
● 2026-06-15 19:05:44
● 2026-07-11 20:40:38
●A217.160.0.2292026-06-15 → 2026-07-11 · 3 obs
○ 2020-01-29 06:29:08
● 2026-06-15 19:05:44
● 2026-07-11 20:40:38
○A217.160.233.2052020-01-29 → 2020-01-29 · 4 obs
○ 2017-03-15 13:44:32
● 2020-01-29 06:29:08
○ 2026-06-15 19:05:44
○ 2026-07-11 20:40:38
○A78.109.172.2102015-08-08 → 2017-03-15 · 4 obs
● 2015-08-08 12:03:36
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
○CNAMEcgpbooks.co.uk2015-12-18 → 2017-03-15 · 5 obs
○ 2015-08-08 12:03:36
● 2015-12-18 01:07:28
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38
○CNAMEwww.cgpbooks.co.uk2015-08-08 → 2017-03-15 · 4 obs
● 2015-08-08 12:03:36
● 2017-03-15 13:44:32
○ 2020-01-29 06:29:08
○ 2026-07-11 20:40:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
cgpbooks.orgns1105.ui-dns.org, ns1105.ui-dns.de, ns1105.ui-dns.biz, ns1105.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.82.105

NS records: ns1105.ui-dns.org, ns1105.ui-dns.de, ns1105.ui-dns.biz, ns1105.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cgpbooks.org (unsigned zone)

⏱️ Timing

Total: 3361ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.229
AAAA12001:8d8:100f:f000::200
NS4ns1105.ui-dns.com, ns1105.ui-dns.org...
MX2mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1105.ui-dns.org hostmaster.1and1.co.uk

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1105.ui-dns.org, ns1105.ui-dns.org)

Analysis

IP Addresses

cgpbooks.org has two IP addresses: 217.160.0.229 and 2001:8d8:100f:f000::200

Other host names, for instance hifi-belzer.de, foraim.eu, teachers-store.de and two other share IP numbers with cgpbooks.org.

Name Servers

Four name servers handle the delegation for cgpbooks.org: ns1105.ui-dns.biz, ns1105.ui-dns.com, ns1105.ui-dns.de and ns1105.ui-dns.org.

Four hostnames, each resolving to a pair of IP addresses: ns1105.ui-dns.biz directs to 217.160.81.105 and 2001:8d8:fe:53:0:d9a0:5169:100; ns1105.ui-dns.com directs to 217.160.82.105 and 2001:8d8:fe:53:0:d9a0:5269:100; ns1105.ui-dns.de directs to 185.132.32.105 and 2607:f1c0:fe:53:185:132:32:105; ns1105.ui-dns.org directs to 217.160.83.105 and 2001:8d8:fe:53:0:d9a0:5369:100.

Mail Servers

cgpbooks.org uses two mail servers, mx00.ionos.co.uk and mx01.ionos.co.uk.

Each of mx00.ionos.co.uk and mx01.ionos.co.uk has one IP address: mx00.ionos.co.uk uses 212.227.15.41 and mx01.ionos.co.uk uses 217.72.192.67.