`qldbguide.com`

DNSSEC	⚠️ Not signed
A	3.170.42.4^{🇺🇸 Amazon3.170.40.0/22}
		PTR	`server-3-170-42-4.iad61.r.cloudfront.net`
A	3.170.42.6^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.88^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.101^{🇺🇸 Amazon3.170.40.0/22}
NS	`ns-1470.awsdns-55.org` ⭐
		A	2600:9000:5305:be00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1470.awsdns-55.org`
		A	205.251.197.190^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1470.awsdns-55.org`
NS	`ns-136.awsdns-17.com`
		A	2600:9000:5300:8800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-136.awsdns-17.com`
		A	205.251.192.136^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-136.awsdns-17.com`
NS	`ns-1980.awsdns-55.co.uk`
		A	2600:9000:5307:bc00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1980.awsdns-55.co.uk`
		A	205.251.199.188^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1980.awsdns-55.co.uk`
NS	`ns-927.awsdns-51.net`
		A	2600:9000:5303:9f00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-927.awsdns-51.net`
		A	205.251.195.159^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-927.awsdns-51.net`
SOA	`ns-1470.awsdns-55.org`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=1771291435

Same first word

qldbguide.com

DNS History

40 records (8 active, 32 former)

○NSns-1141.awsdns-14.org2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

●NSns-136.awsdns-17.com2026-02-16 → 2026-03-10 · 3 obs

○ 2019-12-15 13:33:36
● 2026-02-16 16:42:40
● 2026-03-10 09:47:02

●NSns-1470.awsdns-55.org2026-02-16 → 2026-03-10 · 3 obs

○ 2019-12-15 13:33:36
● 2026-02-16 16:42:40
● 2026-03-10 09:47:02

○NSns-1946.awsdns-51.co.uk2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

●NSns-1980.awsdns-55.co.uk2026-02-16 → 2026-03-10 · 3 obs

○ 2019-12-15 13:33:36
● 2026-02-16 16:42:40
● 2026-03-10 09:47:02

○NSns-468.awsdns-58.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

○NSns-890.awsdns-47.net2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

●NSns-927.awsdns-51.net2026-02-16 → 2026-03-10 · 3 obs

○ 2019-12-15 13:33:36
● 2026-02-16 16:42:40
● 2026-03-10 09:47:02

○A13.33.109.1112026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 19:47:06
● 2026-03-08 23:07:52
○ 2026-03-09 02:07:48
○ 2026-03-10 09:47:02

○A13.33.109.712026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 19:47:06
● 2026-03-08 23:07:52
○ 2026-03-09 02:07:48
○ 2026-03-10 09:47:02

○A13.33.109.722026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 19:47:06
● 2026-03-08 23:07:52
○ 2026-03-09 02:07:48
○ 2026-03-10 09:47:02

○A13.33.109.812026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 19:47:06
● 2026-03-08 23:07:52
○ 2026-03-09 02:07:48
○ 2026-03-10 09:47:02

○A18.238.4.1032026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 23:07:52
● 2026-03-09 02:07:48
○ 2026-03-09 03:28:26
○ 2026-03-10 09:47:02

○A18.238.4.1072026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 23:07:52
● 2026-03-09 02:07:48
○ 2026-03-09 03:28:26
○ 2026-03-10 09:47:02

○A18.238.4.482026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 23:07:52
● 2026-03-09 02:07:48
○ 2026-03-09 03:28:26
○ 2026-03-10 09:47:02

○A18.238.4.82026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 23:07:52
● 2026-03-09 02:07:48
○ 2026-03-09 03:28:26
○ 2026-03-10 09:47:02

○A18.245.162.1172026-02-21 → 2026-03-10 · 75 obs

○ 2026-02-21 00:10:58
● 2026-02-21 09:30:04
○ 2026-02-21 11:03:34
○ 2026-02-21 19:48:12
● 2026-02-22 09:11:40
● 2026-02-22 09:58:24
○ 2026-02-22 20:03:16
● 2026-02-22 21:12:10
● 2026-02-23 03:13:40
○ 2026-02-23 03:58:02
○ 2026-02-23 18:00:40
● 2026-02-23 20:55:14
● 2026-02-23 22:10:12
○ 2026-02-24 04:23:22
○ 2026-02-24 14:47:32
● 2026-02-24 21:59:20
○ 2026-02-25 00:11:52
○ 2026-02-25 06:42:46
● 2026-02-25 21:00:20
○ 2026-02-25 21:51:22
○ 2026-02-26 16:42:02
● 2026-02-26 21:25:50
○ 2026-02-26 23:09:10
● 2026-02-26 23:45:46
○ 2026-02-27 00:17:10
● 2026-02-27 02:22:44
○ 2026-02-27 07:40:28
○ 2026-03-01 14:39:12
● 2026-03-01 15:30:26
○ 2026-03-01 23:13:24
○ 2026-03-02 04:30:38
● 2026-03-02 12:17:58
○ 2026-03-02 23:07:32
○ 2026-03-03 00:51:46
● 2026-03-03 04:08:04
○ 2026-03-03 07:25:24
○ 2026-03-03 08:31:40
● 2026-03-03 21:21:22
○ 2026-03-03 23:09:04
● 2026-03-04 01:10:18
● 2026-03-04 22:44:42
○ 2026-03-05 00:12:40
○ 2026-03-05 03:17:00
● 2026-03-05 04:28:54
● 2026-03-05 07:05:30
○ 2026-03-05 08:29:40
○ 2026-03-05 15:03:04
● 2026-03-05 16:59:46
● 2026-03-05 22:41:48
○ 2026-03-06 00:14:20
● 2026-03-06 02:50:46
● 2026-03-06 09:07:36
○ 2026-03-06 15:14:34
● 2026-03-06 16:04:36
● 2026-03-06 22:34:50
○ 2026-03-06 23:08:22
○ 2026-03-07 00:11:44
● 2026-03-07 09:35:54
● 2026-03-07 18:36:00
○ 2026-03-07 23:51:04
○ 2026-03-08 06:24:10
● 2026-03-08 09:09:16
● 2026-03-08 17:07:08
○ 2026-03-08 18:02:22
● 2026-03-08 19:05:56
○ 2026-03-08 19:47:06
○ 2026-03-09 02:07:48
● 2026-03-09 03:28:26
● 2026-03-09 15:29:18
○ 2026-03-09 18:59:16
○ 2026-03-09 23:07:36
● 2026-03-10 02:45:10
● 2026-03-10 04:15:36
○ 2026-03-10 09:46:56
○ 2026-03-10 09:47:02

○A18.245.162.532026-02-21 → 2026-03-10 · 75 obs

○A18.245.162.732026-02-21 → 2026-03-10 · 75 obs

○A18.245.162.772026-02-21 → 2026-03-10 · 75 obs

○A3.169.231.1292026-02-16 → 2026-03-09 · 71 obs

○ 2019-12-15 13:33:36
● 2026-02-16 16:42:40
○ 2026-02-17 01:03:02
● 2026-02-17 02:29:26
○ 2026-02-17 03:11:28
○ 2026-02-17 11:39:50
● 2026-02-17 12:39:52
○ 2026-02-17 17:33:04
○ 2026-02-17 22:23:46
● 2026-02-18 01:48:02
○ 2026-02-18 03:29:36
● 2026-02-18 08:58:14
● 2026-02-18 13:12:42
○ 2026-02-18 15:08:36
● 2026-02-18 18:24:52
● 2026-02-18 19:57:52
○ 2026-02-19 00:45:02
● 2026-02-19 19:51:44
○ 2026-02-20 01:10:12
● 2026-02-20 06:44:22
○ 2026-02-20 09:04:14
○ 2026-02-21 13:39:08
● 2026-02-21 19:48:12
○ 2026-02-22 09:11:40
○ 2026-02-22 09:58:24
● 2026-02-22 20:03:16
○ 2026-02-22 21:12:10
○ 2026-02-23 03:13:40
● 2026-02-23 03:58:02
○ 2026-02-23 09:29:08
● 2026-02-23 18:00:40
○ 2026-02-23 20:55:14
○ 2026-02-23 22:10:12
● 2026-02-24 04:23:22
○ 2026-02-24 05:22:26
○ 2026-02-24 09:55:24
● 2026-02-24 14:47:32
○ 2026-02-24 21:59:20
○ 2026-02-25 00:11:52
● 2026-02-25 05:31:34
● 2026-02-25 06:42:46
○ 2026-02-25 21:00:20
○ 2026-02-27 02:22:44
● 2026-02-27 07:40:28
● 2026-02-28 20:14:46
○ 2026-02-28 23:07:14
● 2026-03-01 05:10:26
○ 2026-03-01 14:39:12
○ 2026-03-01 23:13:24
● 2026-03-02 04:30:38
○ 2026-03-02 12:17:58
○ 2026-03-03 04:08:04
● 2026-03-03 07:25:24
● 2026-03-03 08:31:40
○ 2026-03-03 21:21:22
○ 2026-03-05 00:12:40
● 2026-03-05 03:17:00
○ 2026-03-05 04:28:54
○ 2026-03-07 18:36:00
● 2026-03-07 23:51:04
● 2026-03-08 06:24:10
○ 2026-03-08 09:09:16
○ 2026-03-08 17:07:08
● 2026-03-08 18:02:22
○ 2026-03-08 19:05:56
● 2026-03-08 19:47:06
○ 2026-03-08 23:07:52
○ 2026-03-09 20:11:20
● 2026-03-09 21:44:38
○ 2026-03-09 23:07:36
○ 2026-03-10 09:47:02

○A3.169.231.682026-02-16 → 2026-03-09 · 71 obs

○A3.169.231.712026-02-16 → 2026-03-09 · 71 obs

○A3.169.231.862026-02-16 → 2026-03-09 · 71 obs

●A3.170.42.1012026-02-17 → 2026-03-10 · 68 obs

○ 2026-02-16 16:42:40
○ 2026-02-17 12:39:52
● 2026-02-17 17:33:04
○ 2026-02-17 18:17:58
○ 2026-02-18 19:57:52
● 2026-02-19 00:45:02
○ 2026-02-19 19:51:44
○ 2026-02-20 09:04:14
● 2026-02-20 10:20:12
● 2026-02-21 00:10:58
○ 2026-02-21 09:30:04
● 2026-02-21 11:03:34
● 2026-02-21 13:39:08
○ 2026-02-21 19:48:12
○ 2026-02-24 04:23:22
● 2026-02-24 05:22:26
● 2026-02-24 09:55:24
○ 2026-02-24 14:47:32
○ 2026-02-24 21:59:20
● 2026-02-25 00:11:52
○ 2026-02-25 05:31:34
○ 2026-02-25 21:00:20
● 2026-02-25 21:51:22
● 2026-02-26 16:42:02
○ 2026-02-26 21:25:50
● 2026-02-26 23:09:10
○ 2026-02-26 23:45:46
● 2026-02-27 00:17:10
○ 2026-02-27 02:22:44
○ 2026-02-28 20:14:46
● 2026-02-28 23:07:14
○ 2026-03-01 05:10:26
○ 2026-03-01 15:30:26
● 2026-03-01 23:13:24
○ 2026-03-02 04:30:38
○ 2026-03-02 12:17:58
● 2026-03-02 23:07:32
● 2026-03-03 00:51:46
○ 2026-03-03 04:08:04
○ 2026-03-03 21:21:22
● 2026-03-03 23:09:04
○ 2026-03-04 01:10:18
○ 2026-03-04 22:44:42
● 2026-03-05 00:12:40
○ 2026-03-05 03:17:00
○ 2026-03-05 07:05:30
● 2026-03-05 08:29:40
● 2026-03-05 15:03:04
○ 2026-03-05 16:59:46
○ 2026-03-05 22:41:48
● 2026-03-06 00:14:20
○ 2026-03-06 02:50:46
○ 2026-03-06 09:07:36
● 2026-03-06 15:14:34
○ 2026-03-06 16:04:36
○ 2026-03-06 22:34:50
● 2026-03-06 23:08:22
● 2026-03-07 00:11:44
○ 2026-03-07 09:35:54
○ 2026-03-09 15:29:18
● 2026-03-09 18:59:16
● 2026-03-09 20:11:20
○ 2026-03-09 21:44:38
● 2026-03-09 23:07:36
○ 2026-03-10 02:45:10
○ 2026-03-10 04:15:36
● 2026-03-10 09:46:56
● 2026-03-10 09:47:02

●A3.170.42.42026-02-17 → 2026-03-10 · 68 obs

●A3.170.42.62026-02-17 → 2026-03-10 · 68 obs

●A3.170.42.882026-02-17 → 2026-03-10 · 68 obs

○A3.174.141.1022026-02-17 → 2026-03-01 · 24 obs

○ 2026-02-16 16:42:40
● 2026-02-17 01:03:02
○ 2026-02-17 02:29:26
● 2026-02-17 03:11:28
● 2026-02-17 11:39:50
○ 2026-02-17 12:39:52
○ 2026-02-17 17:33:04
● 2026-02-17 18:17:58
● 2026-02-17 22:23:46
○ 2026-02-18 01:48:02
● 2026-02-18 03:29:36
○ 2026-02-18 08:58:14
○ 2026-02-18 13:12:42
● 2026-02-18 15:08:36
○ 2026-02-18 18:24:52
○ 2026-02-19 19:51:44
● 2026-02-20 01:10:12
○ 2026-02-20 06:44:22
● 2026-02-20 09:04:14
○ 2026-02-20 10:20:12
○ 2026-03-01 05:10:26
● 2026-03-01 14:39:12
○ 2026-03-01 15:30:26
○ 2026-03-10 09:47:02

○A3.174.141.112026-02-17 → 2026-03-01 · 24 obs

○A3.174.141.342026-02-17 → 2026-03-01 · 24 obs

○A3.174.141.912026-02-17 → 2026-03-01 · 24 obs

○A3.174.193.132026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 03:58:02
● 2026-02-23 09:29:08
○ 2026-02-23 18:00:40
○ 2026-03-10 09:47:02

○A3.174.193.322026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 03:58:02
● 2026-02-23 09:29:08
○ 2026-02-23 18:00:40
○ 2026-03-10 09:47:02

○A3.174.193.692026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 03:58:02
● 2026-02-23 09:29:08
○ 2026-02-23 18:00:40
○ 2026-03-10 09:47:02

○A3.174.193.922026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-23 03:58:02
● 2026-02-23 09:29:08
○ 2026-02-23 18:00:40
○ 2026-03-10 09:47:02

○A52.222.239.2042019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

○A52.222.239.2142019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

○A52.222.239.302019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

○A52.222.239.642019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 13:33:36
○ 2026-02-16 16:42:40
○ 2026-03-10 09:47:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...	-
qldbguide.com	ns-136.awsdns-17.com, ns-927.awsdns-51.net, ns-1980.awsdns-55.co.uk, ns-1470.awsdns-55.org	1 record

✅ Authoritative Response

Server: 205.251.192.136

NS records: ns-136.awsdns-17.com, ns-927.awsdns-51.net, ns-1980.awsdns-55.co.uk, ns-1470.awsdns-55.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qldbguide.com (unsigned zone)

⏱️ Timing

Total: 520ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.42.88, 3.170.42.4...`
NS	4	`ns-136.awsdns-17.com, ns-1470.awsdns-55.org...`
SOA	1	`ns-1470.awsdns-55.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-136.awsdns-17.com)

Analysis

IP Addresses

qldbguide.com points to four IP numbers: 3.170.42.4, 3.170.42.6, 3.170.42.88 and 3.170.42.101.

Other host names including gameslol.com, myringgo.co.uk, criticall.awsapps.com, d3bosga15nl5ej.cloudfront.net and electricsheep.com share IP numbers with qldbguide.com.

Name Servers

qldbguide.com is delegated to four name servers: ns-136.awsdns-17.com, ns-927.awsdns-51.net, ns-1470.awsdns-55.org and ns-1980.awsdns-55.co.uk.

qldbguide.com at least partially shares name servers with other domains, including d3awygn6pjfblu.cloudfront.net, fourstarred.com, doctel.com.pe, ssconnect.net and badgr.com.

These name servers are often used together with ns-91.awsdns-11.com.

Hosts with two IP numbers:

Host ns-136.awsdns-17.com points to 2600:9000:5300:8800::1 and 205.251.192.136

Host ns-927.awsdns-51.net points to 2600:9000:5303:9f00::1 and 205.251.195.159

Host ns-1470.awsdns-55.org points to 2600:9000:5305:be00::1 and 205.251.197.190

Host ns-1980.awsdns-55.co.uk points to 2600:9000:5307:bc00::1 and 205.251.199.188

qldbguide.com - robtex.com

qldbguide.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`qldbguide.com`

`com`