ctlgh.org - dns.ninja

ctlgh.org

DNSSEC⚠️ Not signed
NSdns0.ed.ac.uk ⭐
A129.215.166.13🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRcancer.ucs.ed.ac.uk
A129.215.200.7🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRdns0.ed.ac.uk
NScancer.ucs.ed.ac.uk
A2001:630:3c1:400a::21🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRcancer.ucs.ed.ac.uk
A2001:630:3c1:400a::23🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRcancer.ucs.ed.ac.uk
A129.215.166.13🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRcancer.ucs.ed.ac.uk
A129.215.200.7🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRdns0.ed.ac.uk
NSlewis.ucs.ed.ac.uk
A2001:630:3c1:400a::22🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRlewis.ucs.ed.ac.uk
A2001:630:3c1:400a::24🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRlewis.ucs.ed.ac.uk
A129.215.70.239🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRlewis.ucs.ed.ac.uk
A129.215.146.5🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRlewis.ucs.ed.ac.uk
NSxlab-0.ed.ac.uk
A129.215.168.33🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRxlab-0.ed.ac.uk
MXdanube.is.ed.ac.uk ⭐
A129.215.17.200🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRdanube.is.ed.ac.uk
MXrhine.is.ed.ac.uk ⭐
A129.215.17.201🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRrhine.is.ed.ac.uk
MXtay.is.ed.ac.uk ⭐
A129.215.16.28🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRtay.is.ed.ac.uk
MXthames.is.ed.ac.uk ⭐
A129.215.16.12🇬🇧 JANET129.215.0.0/16 University of Edinburgh 5 Forrest Hill Edinburgh EH1 2QL UNITED KINGDOM
PTRthames.is.ed.ac.uk
TXTv=spf1 include:_spf.ed.ac.uk ?all
TXTMS=ms65225714
TXTmiro-verification=8db07eb0e619ced2ae632f39bb2041573adee8d1
SOAdns0.ed.ac.ukhostmaster@ed.ac.uk 2020-09-04 #13

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=1785982760

Same first word

ctlgh.org
ctlgh.com

Similar names

hcglt.com
hcglt.cn
chtgl.com
tcghl.cn
htlcg.com
glhtc.com
ghtcl.com
htgcl.com
tghlc.com
thglc.cn
gltch.net
lhtcg.com
thglc.com
lhtcg.net
tlchg.com
tglhc.com
hgltc.com
tcghl.com
lghtc.com
gltch.com
htlgc.com

DNS History

8 records (8 active, 0 former)

20192020202120222023202420252026NScancer.ucs.ed.ac.ukdns0.ed.ac.uklewis.ucs.ed.ac.ukxlab-0.ed.ac.ukMXdanube.is.ed.ac.ukrhine.is.ed.ac.uktay.is.ed.ac.ukthames.is.ed.ac.uk
●NScancer.ucs.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40
●NSdns0.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40
●NSlewis.ucs.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40
●NSxlab-0.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40
●MXdanube.is.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40
●MXrhine.is.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40
●MXtay.is.ed.ac.uk2026-04-05 → 2026-08-06 · 3 obs
○ 2018-05-12 08:48:38
● 2026-04-05 07:42:38
● 2026-08-06 02:56:40
●MXthames.is.ed.ac.uk2018-05-12 → 2026-08-06 · 2 obs
● 2018-05-12 08:48:38
● 2026-08-06 02:56:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
ctlgh.orgcancer.ucs.ed.ac.uk, xlab-0.ed.ac.uk, lewis.ucs.ed.ac.uk-

✅ Authoritative Response

Server:129.215.200.7

NS records: cancer.ucs.ed.ac.uk, xlab-0.ed.ac.uk, lewis.ucs.ed.ac.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctlgh.org (unsigned zone)

⏱️ Timing

Total: 811ms | Queries: -

📄 Records

TypeCountSample Data
NS3cancer.ucs.ed.ac.uk, lewis.ucs.ed.ac.uk...
MX4danube.is.ed.ac.uk (pri: 5), rhine.is.ed.ac.uk (pri: 5)...
TXT3v=spf1 include:_spf.ed.ac.uk ?all, MS=ms65225714...
SOA1dns0.ed.ac.uk hostmaster.ed.ac.uk

Analysis

Name Servers

Four name servers handle the delegation for ctlgh.org: dns0.ed.ac.uk, xlab-0.ed.ac.uk, cancer.ucs.ed.ac.uk and lewis.ucs.ed.ac.uk.

The name servers of ctlgh.org overlap at least partially with those of other domains — among them med.ed.ac.uk, fin.ed.ac.uk, 84.215.129.in-addr.arpa and two more.

These name servers tend to appear together with the name servers ns4.ja.net, dns3.inf.ed.ac.uk and dns4.inf.ed.ac.uk, plus two others.

Host names with four IP addresses:

cancer.ucs.ed.ac.uk resolves to 129.215.166.13, 129.215.200.7, 2001:630:3c1:400a::21 and 2001:630:3c1:400a::23.

lewis.ucs.ed.ac.uk resolves to 129.215.70.239, 129.215.146.5, 2001:630:3c1:400a::22 and 2001:630:3c1:400a::24.

Host names pointing to two IP addresses:

dns0.ed.ac.uk resolves to 129.215.166.13 and 129.215.200.7.

Host names resolving to a single IP address:

xlab-0.ed.ac.uk resolves to 129.215.168.33.

The host names cancer.ucs.ed.ac.uk and dns0.ed.ac.uk both resolve to 129.215.166.13 IP addresses.

The host names cancer.ucs.ed.ac.uk and dns0.ed.ac.uk both resolve to 129.215.200.7 IP addresses.

Mail Servers

The four mail servers for ctlgh.org are danube.is.ed.ac.uk, rhine.is.ed.ac.uk, tay.is.ed.ac.uk and thames.is.ed.ac.uk.

At least some of the mail servers used by ctlgh.org are shared with other domains: igc.ed.ac.uk, dhcp-90-106.inf.ed.ac.uk, pulp.inf.ed.ac.uk and two others among them.

The mail servers postbox.inf.ed.ac.uk and virtualrelay.inf.ed.ac.uk are commonly paired with these mail servers.

Four host names, each with one IP address: danube.is.ed.ac.uk has 129.215.17.200, rhine.is.ed.ac.uk has 129.215.17.201, tay.is.ed.ac.uk has 129.215.16.28 and thames.is.ed.ac.uk has 129.215.16.12.