helpwithlectures.com - dns.ninja

`helpwithlectures.com`

DNSSEC	⚠️ Not signed
A	18.238.4.16^{🇺🇸 Amazon18.238.4.0/22}
		PTR	`server-18-238-4-16.phl51.r.cloudfront.net`
A	18.238.4.21^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.35^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.99^{🇺🇸 Amazon18.238.4.0/22}
NS	`ns-506.awsdns-63.com` ⭐
		A	2600:9000:5301:fa00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-506.awsdns-63.com`
		A	205.251.193.250^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-506.awsdns-63.com`
NS	`ns-1506.awsdns-60.org`
		A	2600:9000:5305:e200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1506.awsdns-60.org`
		A	205.251.197.226^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1506.awsdns-60.org`
NS	`ns-1898.awsdns-45.co.uk`
		A	2600:9000:5307:6a00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1898.awsdns-45.co.uk`
		A	205.251.199.106^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1898.awsdns-45.co.uk`
NS	`ns-947.awsdns-54.net`
		A	2600:9000:5303:b300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-947.awsdns-54.net`
		A	205.251.195.179^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-947.awsdns-54.net`
SOA	`ns-506.awsdns-63.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784857452

Same first word

helpwithlectures.com

DNS History

88 records (8 active, 80 former)

●NSns-1506.awsdns-60.org2026-02-15 → 2026-07-24 · 3 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-07-24 01:56:04

●NSns-1898.awsdns-45.co.uk2026-02-15 → 2026-07-24 · 3 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-07-24 01:56:04

●NSns-506.awsdns-63.com2026-02-15 → 2026-07-24 · 3 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-07-24 01:56:04

●NSns-947.awsdns-54.net2026-02-15 → 2026-07-24 · 3 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-07-24 01:56:04

○NSultra101.uk2.net2015-07-23 → 2020-01-18 · 4 obs

● 2015-07-23 08:19:12
● 2020-01-18 19:30:30
○ 2026-02-15 22:16:58
○ 2026-07-24 01:56:04

○NSultra102.uk2.net2015-07-23 → 2020-01-18 · 4 obs

● 2015-07-23 08:19:12
● 2020-01-18 19:30:30
○ 2026-02-15 22:16:58
○ 2026-07-24 01:56:04

○MXmx.helpwithlectures.com.cust.a.hostedemail.com2015-07-23 → 2026-02-17 · 4 obs

● 2015-07-23 08:19:12
● 2026-02-17 05:03:04
○ 2026-02-17 17:21:56
○ 2026-07-24 01:56:04

○A108.138.14.482026-06-10 → 2026-07-23 · 62 obs

○ 2026-06-09 11:51:54
● 2026-06-10 23:29:22
○ 2026-06-11 08:32:42
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○ 2026-07-24 01:56:04

○A108.138.14.582026-06-10 → 2026-07-23 · 62 obs

○A108.138.14.602026-06-10 → 2026-07-23 · 62 obs

○A108.138.14.852026-06-10 → 2026-07-23 · 62 obs

○A108.139.15.132026-06-23 → 2026-06-26 · 14 obs

○ 2026-06-23 01:07:14
● 2026-06-23 05:59:54
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● 2026-06-26 00:26:06
○ 2026-06-26 11:55:16
○ 2026-07-24 01:56:04

○A108.139.15.282026-06-23 → 2026-06-26 · 14 obs

○A108.139.15.522026-06-23 → 2026-06-26 · 14 obs

○A108.139.15.582026-06-23 → 2026-06-26 · 14 obs

○A13.226.209.1122026-02-17 → 2026-07-11 · 58 obs

○ 2026-02-15 22:16:58
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● 2026-02-17 17:21:56
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● 2026-02-19 05:26:32
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○A13.226.209.1292026-02-17 → 2026-07-11 · 58 obs

○A13.226.209.852026-02-17 → 2026-07-11 · 58 obs

○A13.226.209.972026-02-17 → 2026-07-11 · 58 obs

○A13.227.207.1242026-03-28 → 2026-06-09 · 40 obs

○ 2026-03-27 04:35:58
● 2026-03-28 16:35:04
● 2026-03-30 03:29:02
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● 2026-05-19 12:39:36
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○ 2026-07-24 01:56:04

○A13.227.207.82026-03-28 → 2026-06-09 · 40 obs

○A13.227.207.812026-03-28 → 2026-06-09 · 40 obs

○A13.227.207.822026-03-28 → 2026-06-09 · 40 obs

○A13.32.164.1112026-05-20 → 2026-07-02 · 54 obs

○ 2026-05-20 04:12:38
● 2026-05-20 17:26:22
● 2026-05-22 07:05:42
○ 2026-05-24 02:39:58
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○ 2026-07-02 04:42:00
○ 2026-07-24 01:56:04

○A13.32.164.252026-05-20 → 2026-07-02 · 54 obs

○A13.32.164.742026-05-20 → 2026-07-02 · 54 obs

○A13.32.164.852026-05-20 → 2026-07-02 · 54 obs

○A13.33.109.1102026-05-07 → 2026-05-14 · 7 obs

○ 2026-05-06 12:36:38
● 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
○ 2026-05-14 02:59:36
● 2026-05-14 13:31:42
○ 2026-05-14 14:12:06
○ 2026-07-24 01:56:04

○A13.33.109.1172026-05-07 → 2026-05-14 · 7 obs

○ 2026-05-06 12:36:38
● 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
○ 2026-05-14 02:59:36
● 2026-05-14 13:31:42
○ 2026-05-14 14:12:06
○ 2026-07-24 01:56:04

○A13.33.109.1242026-05-07 → 2026-05-14 · 7 obs

○ 2026-05-06 12:36:38
● 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
○ 2026-05-14 02:59:36
● 2026-05-14 13:31:42
○ 2026-05-14 14:12:06
○ 2026-07-24 01:56:04

○A13.33.109.52026-05-07 → 2026-05-14 · 7 obs

○ 2026-05-06 12:36:38
● 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
○ 2026-05-14 02:59:36
● 2026-05-14 13:31:42
○ 2026-05-14 14:12:06
○ 2026-07-24 01:56:04

○A13.33.129.1122026-05-06 → 2026-05-14 · 7 obs

○ 2026-04-24 02:54:14
● 2026-05-06 12:36:38
○ 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
● 2026-05-14 02:59:36
○ 2026-05-14 13:31:42
○ 2026-07-24 01:56:04

○A13.33.129.1172026-05-06 → 2026-05-14 · 7 obs

○ 2026-04-24 02:54:14
● 2026-05-06 12:36:38
○ 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
● 2026-05-14 02:59:36
○ 2026-05-14 13:31:42
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○A13.33.129.672026-05-06 → 2026-05-14 · 7 obs

○ 2026-04-24 02:54:14
● 2026-05-06 12:36:38
○ 2026-05-07 00:39:06
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● 2026-05-14 02:59:36
○ 2026-05-14 13:31:42
○ 2026-07-24 01:56:04

○A13.33.129.962026-05-06 → 2026-05-14 · 7 obs

○ 2026-04-24 02:54:14
● 2026-05-06 12:36:38
○ 2026-05-07 00:39:06
○ 2026-05-07 03:17:26
● 2026-05-14 02:59:36
○ 2026-05-14 13:31:42
○ 2026-07-24 01:56:04

○A13.33.131.412026-07-01 → 2026-07-14 · 12 obs

○ 2026-07-01 17:47:30
● 2026-07-01 23:32:32
○ 2026-07-02 02:02:38
● 2026-07-03 09:33:28
○ 2026-07-03 17:28:06
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● 2026-07-14 01:41:40
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○ 2026-07-14 13:26:14
○ 2026-07-24 01:56:04

○A13.33.131.682026-07-01 → 2026-07-14 · 12 obs

○A13.33.131.842026-07-01 → 2026-07-14 · 12 obs

○A13.33.131.952026-07-01 → 2026-07-14 · 12 obs

○A13.35.107.1032026-07-14 → 2026-07-15 · 6 obs

○ 2026-07-14 07:33:50
● 2026-07-14 13:26:14
○ 2026-07-14 18:53:08
● 2026-07-15 21:19:48
○ 2026-07-15 23:49:56
○ 2026-07-24 01:56:04

○A13.35.107.1122026-07-14 → 2026-07-15 · 6 obs

○ 2026-07-14 07:33:50
● 2026-07-14 13:26:14
○ 2026-07-14 18:53:08
● 2026-07-15 21:19:48
○ 2026-07-15 23:49:56
○ 2026-07-24 01:56:04

○A13.35.107.1262026-07-14 → 2026-07-15 · 6 obs

○ 2026-07-14 07:33:50
● 2026-07-14 13:26:14
○ 2026-07-14 18:53:08
● 2026-07-15 21:19:48
○ 2026-07-15 23:49:56
○ 2026-07-24 01:56:04

○A13.35.107.862026-07-14 → 2026-07-15 · 6 obs

○ 2026-07-14 07:33:50
● 2026-07-14 13:26:14
○ 2026-07-14 18:53:08
● 2026-07-15 21:19:48
○ 2026-07-15 23:49:56
○ 2026-07-24 01:56:04

○A13.35.36.1182026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-27 05:03:34
● 2026-05-27 07:47:48
● 2026-05-27 09:52:24
○ 2026-05-27 15:32:48
○ 2026-05-27 22:58:16
● 2026-05-28 02:13:34
○ 2026-05-28 09:49:26
○ 2026-07-24 01:56:04

○A13.35.36.1292026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-27 05:03:34
● 2026-05-27 07:47:48
● 2026-05-27 09:52:24
○ 2026-05-27 15:32:48
○ 2026-05-27 22:58:16
● 2026-05-28 02:13:34
○ 2026-05-28 09:49:26
○ 2026-07-24 01:56:04

○A13.35.36.862026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-27 05:03:34
● 2026-05-27 07:47:48
● 2026-05-27 09:52:24
○ 2026-05-27 15:32:48
○ 2026-05-27 22:58:16
● 2026-05-28 02:13:34
○ 2026-05-28 09:49:26
○ 2026-07-24 01:56:04

○A13.35.36.912026-05-27 → 2026-05-28 · 8 obs

○ 2026-05-27 05:03:34
● 2026-05-27 07:47:48
● 2026-05-27 09:52:24
○ 2026-05-27 15:32:48
○ 2026-05-27 22:58:16
● 2026-05-28 02:13:34
○ 2026-05-28 09:49:26
○ 2026-07-24 01:56:04

○A178.32.55.2102015-07-23 → 2020-01-18 · 4 obs

● 2015-07-23 08:19:12
● 2020-01-18 19:30:30
○ 2026-02-15 22:16:58
○ 2026-07-24 01:56:04

○A18.154.132.1172026-02-16 → 2026-07-20 · 32 obs

○ 2026-02-16 02:53:12
● 2026-02-16 14:15:48
● 2026-02-17 05:03:04
○ 2026-02-17 17:21:56
● 2026-02-18 20:39:28
○ 2026-02-19 05:26:32
○ 2026-02-20 10:53:42
● 2026-02-20 11:58:14
○ 2026-02-22 16:50:40
○ 2026-03-15 06:53:06
● 2026-03-20 02:44:08
○ 2026-03-20 11:47:08
○ 2026-03-25 01:56:56
● 2026-03-26 15:28:12
○ 2026-03-26 23:25:42
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○A18.154.132.1242026-02-16 → 2026-07-20 · 32 obs

○A18.154.132.562026-02-16 → 2026-07-20 · 32 obs

○A18.154.132.922026-02-16 → 2026-07-20 · 32 obs

○A18.155.107.1262026-05-27 → 2026-06-05 · 30 obs

○ 2026-05-27 15:32:48
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○ 2026-06-05 21:11:58
○ 2026-07-24 01:56:04

○A18.155.107.262026-05-27 → 2026-06-05 · 30 obs

○A18.155.107.372026-05-27 → 2026-06-05 · 30 obs

○A18.155.107.812026-05-27 → 2026-06-05 · 30 obs

○A18.164.96.1032026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-07 03:48:30
● 2026-03-14 14:17:28
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○ 2026-03-20 11:47:08
● 2026-03-22 14:45:08
○ 2026-03-24 08:31:04
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○A18.164.96.1042026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-07 03:48:30
● 2026-03-14 14:17:28
○ 2026-03-14 15:12:08
○ 2026-03-20 11:47:08
● 2026-03-22 14:45:08
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○A18.164.96.622026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-07 03:48:30
● 2026-03-14 14:17:28
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○ 2026-03-20 11:47:08
● 2026-03-22 14:45:08
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○ 2026-07-24 01:56:04

○A18.164.96.702026-03-14 → 2026-03-22 · 7 obs

○ 2026-03-07 03:48:30
● 2026-03-14 14:17:28
○ 2026-03-14 15:12:08
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● 2026-03-22 14:45:08
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○ 2026-07-24 01:56:04

●A18.238.4.162026-07-13 → 2026-07-24 · 13 obs

○ 2026-07-11 15:24:32
● 2026-07-13 00:19:02
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● 2026-07-15 12:03:34
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● 2026-07-24 01:56:04

●A18.238.4.212026-07-13 → 2026-07-24 · 13 obs

●A18.238.4.352026-07-13 → 2026-07-24 · 13 obs

●A18.238.4.992026-07-13 → 2026-07-24 · 13 obs

○A18.245.143.1252026-02-15 → 2026-02-16 · 5 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-02-16 02:53:12
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○A18.245.143.392026-02-15 → 2026-02-16 · 5 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-02-16 02:53:12
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○A18.245.143.432026-02-15 → 2026-02-16 · 5 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-02-16 02:53:12
○ 2026-02-16 14:15:48
○ 2026-07-24 01:56:04

○A18.245.143.852026-02-15 → 2026-02-16 · 5 obs

○ 2020-01-18 19:30:30
● 2026-02-15 22:16:58
● 2026-02-16 02:53:12
○ 2026-02-16 14:15:48
○ 2026-07-24 01:56:04

○A3.170.185.322026-05-26 → 2026-05-31 · 7 obs

○ 2026-05-25 08:45:46
● 2026-05-26 11:32:20
○ 2026-05-27 05:03:34
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● 2026-05-31 10:14:46
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○ 2026-07-24 01:56:04

○A3.170.185.702026-05-26 → 2026-05-31 · 7 obs

○ 2026-05-25 08:45:46
● 2026-05-26 11:32:20
○ 2026-05-27 05:03:34
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● 2026-05-31 10:14:46
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○ 2026-07-24 01:56:04

○A3.170.185.722026-05-26 → 2026-05-31 · 7 obs

○ 2026-05-25 08:45:46
● 2026-05-26 11:32:20
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○ 2026-05-31 06:55:28
● 2026-05-31 10:14:46
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○ 2026-07-24 01:56:04

○A3.170.185.912026-05-26 → 2026-05-31 · 7 obs

○ 2026-05-25 08:45:46
● 2026-05-26 11:32:20
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● 2026-05-31 10:14:46
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○ 2026-07-24 01:56:04

○A3.174.113.122026-07-14 → 2026-07-15 · 8 obs

○ 2026-07-14 01:41:40
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● 2026-07-15 08:20:16
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○A3.174.113.142026-07-14 → 2026-07-15 · 8 obs

○ 2026-07-14 01:41:40
● 2026-07-14 05:30:26
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● 2026-07-15 01:10:38
○ 2026-07-15 04:33:56
● 2026-07-15 08:20:16
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○A3.174.113.552026-07-14 → 2026-07-15 · 8 obs

○ 2026-07-14 01:41:40
● 2026-07-14 05:30:26
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● 2026-07-15 01:10:38
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● 2026-07-15 08:20:16
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○A3.174.113.922026-07-14 → 2026-07-15 · 8 obs

○ 2026-07-14 01:41:40
● 2026-07-14 05:30:26
○ 2026-07-14 07:33:50
● 2026-07-15 01:10:38
○ 2026-07-15 04:33:56
● 2026-07-15 08:20:16
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○A3.174.193.192026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 14:01:52
● 2026-06-29 07:34:54
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○A3.174.193.242026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 14:01:52
● 2026-06-29 07:34:54
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○A3.174.193.772026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 14:01:52
● 2026-06-29 07:34:54
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○A3.174.193.952026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-27 14:01:52
● 2026-06-29 07:34:54
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○A3.174.26.242026-06-07 → 2026-06-07 · 4 obs

○ 2026-06-07 09:27:16
● 2026-06-07 18:56:54
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○ 2026-07-24 01:56:04

○A3.174.26.262026-06-07 → 2026-06-07 · 4 obs

○ 2026-06-07 09:27:16
● 2026-06-07 18:56:54
○ 2026-06-07 21:29:26
○ 2026-07-24 01:56:04

○A3.174.26.322026-06-07 → 2026-06-07 · 4 obs

○ 2026-06-07 09:27:16
● 2026-06-07 18:56:54
○ 2026-06-07 21:29:26
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○A3.174.26.752026-06-07 → 2026-06-07 · 4 obs

○ 2026-06-07 09:27:16
● 2026-06-07 18:56:54
○ 2026-06-07 21:29:26
○ 2026-07-24 01:56:04

○A52.222.177.1062026-02-19 → 2026-06-30 · 74 obs

○ 2026-02-19 05:26:32
● 2026-02-19 15:05:34
● 2026-02-20 10:53:42
○ 2026-02-20 11:58:14
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● 2026-02-23 06:40:56
● 2026-03-07 03:48:30
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● 2026-03-14 15:12:08
● 2026-03-14 20:34:42
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● 2026-03-20 11:47:08
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● 2026-03-25 01:56:56
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● 2026-05-15 08:28:10
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● 2026-06-02 22:42:16
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● 2026-06-11 08:32:42
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● 2026-06-12 19:32:28
● 2026-06-13 14:57:50
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● 2026-06-15 11:11:06
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● 2026-06-15 13:59:32
● 2026-06-16 05:02:14
○ 2026-06-16 11:03:36
○ 2026-06-16 20:01:08
● 2026-06-16 23:50:20
○ 2026-06-19 14:27:10
● 2026-06-19 18:48:58
○ 2026-06-21 16:23:40
● 2026-06-21 23:16:46
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● 2026-06-23 01:07:14
○ 2026-06-23 05:59:54
● 2026-06-23 21:14:48
○ 2026-06-24 01:20:52
● 2026-06-24 06:10:14
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● 2026-06-25 02:13:24
○ 2026-06-25 16:41:22
● 2026-06-25 22:18:46
○ 2026-06-26 00:26:06
● 2026-06-26 11:55:16
○ 2026-06-27 12:51:16
● 2026-06-27 14:01:52
○ 2026-06-29 07:34:54
● 2026-06-29 18:01:44
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● 2026-06-30 14:46:38
○ 2026-06-30 21:52:28
○ 2026-07-24 01:56:04

○A52.222.177.72026-02-19 → 2026-06-30 · 74 obs

○A52.222.177.892026-02-19 → 2026-06-30 · 74 obs

○A52.222.177.982026-02-19 → 2026-06-30 · 74 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
helpwithlectures.com	ns-506.awsdns-63.com, ns-947.awsdns-54.net, ns-1898.awsdns-45.co.uk, ns-1506.awsdns-60.org	2 records

✅ Authoritative Response

Server:205.251.193.250

NS records: ns-506.awsdns-63.com, ns-947.awsdns-54.net, ns-1898.awsdns-45.co.uk, ns-1506.awsdns-60.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for helpwithlectures.com (unsigned zone)

⏱️ Timing

Total: 2360ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.99, 18.238.4.16...`
NS	4	`ns-1506.awsdns-60.org, ns-1898.awsdns-45.co.uk...`
SOA	1	`ns-506.awsdns-63.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-506.awsdns-63.com, ns-506.awsdns-63.com)

Analysis

IP Addresses

helpwithlectures.com points to the four IP addresses 18.238.4.16, 18.238.4.21, 18.238.4.35 and 18.238.4.99.

Name Servers

The domain helpwithlectures.com is delegated to these four name servers: ns-506.awsdns-63.com, ns-947.awsdns-54.net, ns-1506.awsdns-60.org and ns-1898.awsdns-45.co.uk.

helpwithlectures.com at least partially shares name servers with other domains, for instance billabong-store.ie, bravodevcmail3.com, 7.233.6.71.in-addr.arpa and two other.

These name servers are often used together with the name servers ns-1652.awsdns-14.co.uk.

Each of the four hosts ns-506.awsdns-63.com, ns-947.awsdns-54.net, ns-1506.awsdns-60.org and ns-1898.awsdns-45.co.uk has two IP addresses. ns-506.awsdns-63.com points to 205.251.193.250 and 2600:9000:5301:fa00::1. ns-947.awsdns-54.net points to 205.251.195.179 and 2600:9000:5303:b300::1. ns-1506.awsdns-60.org points to 205.251.197.226 and 2600:9000:5305:e200::1. ns-1898.awsdns-45.co.uk points to 205.251.199.106 and 2600:9000:5307:6a00::1.