ddduk.org - robtex.com

ddduk.org

DNSSEC⚠️ Not signed
A193.62.203.105🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRztm-vip1.sanger.ac.uk
A193.62.203.106🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
NSdns1.sanger.ac.uk ⭐
A2001:630:206:4::30🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRdns1.sanger.ac.uk
A193.62.203.30🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRdns1.sanger.ac.uk
NSdns2.sanger.ac.uk
A2001:630:206:4::31🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRdns2.sanger.ac.uk
A193.62.203.31🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRdns2.sanger.ac.uk
NSdns4.sanger.ac.uk
A2001:1b40:5000:1d:1298:36ff:fea5:1fd5🇬🇧 IOMART-AS2001:1b40::/32 Iomart Hosting Ltd
A78.129.141.210🇬🇧 IOMART-AS78.129.128.0/17 Iomart Hosting Ltd
PTRwtsi-dr4.dh.bytemark.co.uk
MXmxa-002f8a01.gslb.pphosted.com ⭐
A2a0a:2b00:1:0:185:183:28:99🇬🇧 PROOFPOINT-ASN-EU2a0a:2b00::/44
PTRmx08-002f8a01.pphosted.com
A185.183.28.99🇺🇸 PROOFPOINT-ASN-EU185.183.28.0/24
PTRmx08-002f8a01.pphosted.com
MXmxb-002f8a01.gslb.pphosted.com ⭐
A2a0a:2b00:11:0:185:132:180:140🇬🇧 PROOFPOINT-ASN-EU2a0a:2b00:10::/44
PTRmx07-002f8a01.pphosted.com
A185.132.180.140🇬🇧 PROOFPOINT-ASN-EU185.132.180.0/24
PTRmx07-002f8a01.pphosted.com
TXTv=spf1 -all
SOAdns1.sanger.ac.ukpostmaster@sanger.ac.uk 2011-01-31 #74

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=1778358775
🔒 HSTS Preload (+subdomains)

Same first word

ddduk.org

DNS History

9 records (7 active, 2 former)

20162017201820192020202120222023202420252026NSdns1.sanger.ac.ukdns2.sanger.ac.ukdns4.sanger.ac.ukMXmxa-002f8a01.gslb.pphosted.commxb-002f8a01.gslb.pphosted.comextmail.sanger.ac.uksma.sanger.ac.ukA193.62.203.105193.62.203.106
●NSdns1.sanger.ac.uk2015-08-08 → 2026-05-09 · 2 obs
● 2015-08-08 09:49:28
● 2026-05-09 20:43:56
●NSdns2.sanger.ac.uk2015-08-08 → 2026-05-09 · 2 obs
● 2015-08-08 09:49:28
● 2026-05-09 20:43:56
●NSdns4.sanger.ac.uk2015-08-08 → 2026-05-09 · 2 obs
● 2015-08-08 09:49:28
● 2026-05-09 20:43:56
○MXextmail.sanger.ac.uk2015-08-08 → 2015-11-26 · 4 obs
● 2015-08-08 09:49:28
● 2015-11-26 00:23:12
○ 2016-03-04 00:05:12
○ 2026-05-09 20:43:56
●MXmxa-002f8a01.gslb.pphosted.com2026-03-06 → 2026-05-09 · 3 obs
○ 2017-02-19 09:21:20
● 2026-03-06 20:07:50
● 2026-05-09 20:43:56
●MXmxb-002f8a01.gslb.pphosted.com2026-03-06 → 2026-05-09 · 3 obs
○ 2017-02-19 09:21:20
● 2026-03-06 20:07:50
● 2026-05-09 20:43:56
○MXsma.sanger.ac.uk2016-03-04 → 2017-02-19 · 5 obs
○ 2015-11-26 00:23:12
● 2016-03-04 00:05:12
● 2017-02-19 09:21:20
○ 2026-03-06 20:07:50
○ 2026-05-09 20:43:56
●A193.62.203.1052015-08-08 → 2026-05-09 · 2 obs
● 2015-08-08 09:49:28
● 2026-05-09 20:43:56
●A193.62.203.1062015-08-08 → 2026-05-09 · 2 obs
● 2015-08-08 09:49:28
● 2026-05-09 20:43:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
ddduk.orgdns2.sanger.ac.uk, dns4.sanger.ac.uk, dns1.sanger.ac.uk-

✅ Authoritative Response

Server:193.62.203.31

NS records: dns2.sanger.ac.uk, dns4.sanger.ac.uk, dns1.sanger.ac.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ddduk.org (unsigned zone)

⏱️ Timing

Total: 1210ms | Queries: -

📄 Records

TypeCountSample Data
A2193.62.203.106, 193.62.203.105
NS3dns1.sanger.ac.uk, dns4.sanger.ac.uk...
MX2mxa-002f8a01.gslb.pphosted.com (pri: 10), mxb-002f8a01.gslb.pphosted.com (pri: 10)
TXT1v=spf1 -all
SOA1dns1.sanger.ac.uk postmaster.sanger.ac.u

Analysis

IP Addresses

ddduk.org points to two IP numbers: 193.62.203.105 and 193.62.203.106.

Other host names, for instance uk10k.org.uk, cosmickb.org, singlecellcourse.org, pageuk.org and plasmoth.org share IP numbers with ddduk.org.

Name Servers

ddduk.org is delegated to three name servers: dns1.sanger.ac.uk, dns2.sanger.ac.uk and dns4.sanger.ac.uk.

ddduk.org at least partially shares its name servers with other domains, for instance 203.62.193.in-addr.arpa, 205.62.193.in-addr.arpa, humanembryo.org, biodiversitygenomics.life and gutcellatlas.org.

These name servers are commonly used alongside auth0.dns.cam.ac.uk and auth1.dns.cam.ac.uk.

Host names with two IP numbers:

dns1.sanger.ac.uk points to: 2001:630:206:4::30 and 193.62.203.30.

dns2.sanger.ac.uk points to: 2001:630:206:4::31 and 193.62.203.31.

dns4.sanger.ac.uk points to: 2001:1b40:5000:1d:1298:36ff:fea5:1fd5 and 78.129.141.210.

Mail Servers

Two mail servers mxa-002f8a01.gslb.pphosted.com and mxb-002f8a01.gslb.pphosted.com handle ddduk.org.

ddduk.org uses the same mail server setup as other domains such as celltypist.org, tissuestabilitycellatlas.org, onecellatatime.org, yourgenome.co.uk and lepbase.org.

Host names with two IP numbers: mxa-002f8a01.gslb.pphosted.com points to 2a0a:2b00:1:0:185:183:28:99 and 185.183.28.99; mxb-002f8a01.gslb.pphosted.com points to 2a0a:2b00:11:0:185:132:180:140 and 185.132.180.140