hdruklearn.org - robtex.com

hdruklearn.org

DNSSEC⚠️ Not signed
A18.155.21.29🇺🇸 Amazon18.155.16.0/21
PTRserver-18-155-21-29.gru3.r.cloudfront.net
A18.155.21.70🇺🇸 Amazon18.155.16.0/21
A18.155.21.85🇺🇸 Amazon18.155.16.0/21
A18.155.21.100🇺🇸 Amazon18.155.16.0/21
NSns-163.awsdns-20.com ⭐
A2600:9000:5300:a300::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-163.awsdns-20.com
A205.251.192.163🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-163.awsdns-20.com
NSns-1480.awsdns-57.org
A2600:9000:5305:c800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1480.awsdns-57.org
A205.251.197.200🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1480.awsdns-57.org
NSns-1766.awsdns-28.co.uk
A2600:9000:5306:e600::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1766.awsdns-28.co.uk
A205.251.198.230🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1766.awsdns-28.co.uk
NSns-678.awsdns-20.net
A2600:9000:5302:a600::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-678.awsdns-20.net
A205.251.194.166🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-678.awsdns-20.net
SOAns-163.awsdns-20.comawsdns-hostmaster@amazon.com serial=1

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=1774753297

Same first word

hdruklearn.org

DNS History

40 records (8 active, 32 former)

NSns-1480.awsdns-57.orgns-163.awsdns-20.comns-1766.awsdns-28.co.ukns-678.awsdns-20.netA18.155.21.10018.155.21.2918.155.21.7018.155.21.85108.156.39.10108.156.39.35108.156.39.36108.156.39.918.165.83.12318.165.83.1318.165.83.2118.165.83.3718.165.9.10818.165.9.4118.165.9.6518.165.9.9918.245.187.2018.245.187.3918.245.187.6218.245.187.99216.137.44.102216.137.44.15216.137.44.44216.137.44.763.163.125.103.163.125.313.163.125.353.163.125.953.164.68.1133.164.68.583.164.68.593.164.68.63.174.113.113.174.113.1223.174.113.503.174.113.98
●NSns-1480.awsdns-57.org2026-03-16 → 2026-03-29 · 2 obs
● 2026-03-16 01:03:14
● 2026-03-29 03:13:48
●NSns-163.awsdns-20.com2026-03-16 → 2026-03-29 · 2 obs
● 2026-03-16 01:03:14
● 2026-03-29 03:13:48
●NSns-1766.awsdns-28.co.uk2026-03-16 → 2026-03-29 · 2 obs
● 2026-03-16 01:03:14
● 2026-03-29 03:13:48
●NSns-678.awsdns-20.net2026-03-16 → 2026-03-29 · 2 obs
● 2026-03-16 01:03:14
● 2026-03-29 03:13:48
○A108.156.39.102026-03-27 → 2026-03-27 · 5 obs
○ 2026-03-27 01:35:36
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● 2026-03-27 04:37:00
○ 2026-03-27 06:33:26
○ 2026-03-29 03:13:48
○A108.156.39.352026-03-27 → 2026-03-27 · 5 obs
○ 2026-03-27 01:35:36
● 2026-03-27 02:19:38
● 2026-03-27 04:37:00
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○ 2026-03-29 03:13:48
○A108.156.39.362026-03-27 → 2026-03-27 · 5 obs
○ 2026-03-27 01:35:36
● 2026-03-27 02:19:38
● 2026-03-27 04:37:00
○ 2026-03-27 06:33:26
○ 2026-03-29 03:13:48
○A108.156.39.92026-03-27 → 2026-03-27 · 5 obs
○ 2026-03-27 01:35:36
● 2026-03-27 02:19:38
● 2026-03-27 04:37:00
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○ 2026-03-29 03:13:48
●A18.155.21.1002026-03-28 → 2026-03-29 · 6 obs
○ 2026-03-28 14:36:58
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● 2026-03-28 23:40:48
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●A18.155.21.292026-03-28 → 2026-03-29 · 6 obs
○ 2026-03-28 14:36:58
● 2026-03-28 15:16:24
○ 2026-03-28 17:14:46
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● 2026-03-28 23:40:48
● 2026-03-29 03:13:48
●A18.155.21.702026-03-28 → 2026-03-29 · 6 obs
○ 2026-03-28 14:36:58
● 2026-03-28 15:16:24
○ 2026-03-28 17:14:46
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● 2026-03-28 23:40:48
● 2026-03-29 03:13:48
●A18.155.21.852026-03-28 → 2026-03-29 · 6 obs
○ 2026-03-28 14:36:58
● 2026-03-28 15:16:24
○ 2026-03-28 17:14:46
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● 2026-03-28 23:40:48
● 2026-03-29 03:13:48
○A18.165.83.1232026-03-16 → 2026-03-28 · 47 obs
● 2026-03-16 01:03:14
○ 2026-03-16 08:58:02
○ 2026-03-16 10:08:22
● 2026-03-16 13:31:32
● 2026-03-16 20:07:26
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○ 2026-03-29 03:13:48
○A18.165.83.132026-03-16 → 2026-03-28 · 47 obs
● 2026-03-16 01:03:14
○ 2026-03-16 08:58:02
○ 2026-03-16 10:08:22
● 2026-03-16 13:31:32
● 2026-03-16 20:07:26
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● 2026-03-28 13:59:20
○ 2026-03-28 14:36:58
○ 2026-03-29 03:13:48
○A18.165.83.212026-03-16 → 2026-03-28 · 47 obs
● 2026-03-16 01:03:14
○ 2026-03-16 08:58:02
○ 2026-03-16 10:08:22
● 2026-03-16 13:31:32
● 2026-03-16 20:07:26
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○ 2026-03-28 14:36:58
○ 2026-03-29 03:13:48
○A18.165.83.372026-03-16 → 2026-03-28 · 47 obs
● 2026-03-16 01:03:14
○ 2026-03-16 08:58:02
○ 2026-03-16 10:08:22
● 2026-03-16 13:31:32
● 2026-03-16 20:07:26
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○A18.165.9.1082026-03-21 → 2026-03-21 · 4 obs
○ 2026-03-21 02:18:34
● 2026-03-21 09:28:26
○ 2026-03-21 20:52:32
○ 2026-03-29 03:13:48
○A18.165.9.412026-03-21 → 2026-03-21 · 4 obs
○ 2026-03-21 02:18:34
● 2026-03-21 09:28:26
○ 2026-03-21 20:52:32
○ 2026-03-29 03:13:48
○A18.165.9.652026-03-21 → 2026-03-21 · 4 obs
○ 2026-03-21 02:18:34
● 2026-03-21 09:28:26
○ 2026-03-21 20:52:32
○ 2026-03-29 03:13:48
○A18.165.9.992026-03-21 → 2026-03-21 · 4 obs
○ 2026-03-21 02:18:34
● 2026-03-21 09:28:26
○ 2026-03-21 20:52:32
○ 2026-03-29 03:13:48
○A18.245.187.202026-03-17 → 2026-03-26 · 19 obs
○ 2026-03-17 00:39:58
● 2026-03-17 04:58:02
● 2026-03-17 05:37:30
○ 2026-03-17 06:56:42
○ 2026-03-18 14:23:34
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○ 2026-03-29 03:13:48
○A18.245.187.392026-03-17 → 2026-03-26 · 19 obs
○ 2026-03-17 00:39:58
● 2026-03-17 04:58:02
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○A18.245.187.622026-03-17 → 2026-03-26 · 19 obs
○ 2026-03-17 00:39:58
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○A18.245.187.992026-03-17 → 2026-03-26 · 19 obs
○ 2026-03-17 00:39:58
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○A216.137.44.1022026-03-16 → 2026-03-28 · 70 obs
○ 2026-03-16 08:58:02
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○A216.137.44.152026-03-16 → 2026-03-28 · 70 obs
○ 2026-03-16 08:58:02
● 2026-03-16 09:37:22
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○A216.137.44.442026-03-16 → 2026-03-28 · 70 obs
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○A216.137.44.762026-03-16 → 2026-03-28 · 70 obs
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○A3.163.125.352026-03-16 → 2026-03-28 · 31 obs
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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
hdruklearn.orgns-678.awsdns-20.net, ns-1766.awsdns-28.co.uk, ns-1480.awsdns-57.org, ns-163.awsdns-20.com1 record

✅ Authoritative Response

Server:205.251.194.166

NS records: ns-678.awsdns-20.net, ns-1766.awsdns-28.co.uk, ns-1480.awsdns-57.org, ns-163.awsdns-20.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hdruklearn.org (unsigned zone)

⏱️ Timing

Total: 1181ms | Queries: -

📄 Records

TypeCountSample Data
A418.155.21.100, 18.155.21.29...
NS4ns-1480.awsdns-57.org, ns-163.awsdns-20.com...
SOA1ns-163.awsdns-20.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1480.awsdns-57.org)

Analysis

IP Addresses

hdruklearn.org points to four IP numbers: 18.155.21.29, 18.155.21.70, 18.155.21.85 and 18.155.21.100.

Other host names, for instance reparelarcenciel.com, rsete.com.br, www.freiraum.xyz, hippyaustralia.bsl.org.au and myforeclosureiq.com share IP numbers with hdruklearn.org.

Name Servers

hdruklearn.org is delegated to four name servers: ns-163.awsdns-20.com, ns-678.awsdns-20.net, ns-1480.awsdns-57.org and ns-1766.awsdns-28.co.uk.

hdruklearn.org at least partially shares name servers with other domains, for instance hccloud.de, shorter.app, d2hoklzupybyyp.cloudfront.net, seniorliving.org and vyvanseteens.com.

These name servers are commonly used with ns-507.awsdns-63.com, ns-1390.awsdns-45.org, ns-2022.awsdns-60.co.uk, ns-1964.awsdns-53.co.uk, ns-497.awsdns-62.com and ns-1342.awsdns-39.org.

Host names with two IP numbers:

ns-163.awsdns-20.com points to: 2600:9000:5300:a300::1 and 205.251.192.163.

ns-678.awsdns-20.net points to: 2600:9000:5302:a600::1 and 205.251.194.166.

ns-1480.awsdns-57.org points to: 2600:9000:5305:c800::1 and 205.251.197.200.

ns-1766.awsdns-28.co.uk points to: 2600:9000:5306:e600::1 and 205.251.198.230.