`ffwebinar.com`

DNSSEC	⚠️ Not signed
A	13.33.153.45^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
		PTR	`server-13-33-153-45.lhr3.r.cloudfront.net`
A	13.33.153.56^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
A	13.33.153.75^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
A	13.33.153.91^{🇺🇸 Amazon13.33.152.0/23 - Cloudfront}
NS	`ns-919.awsdns-50.net` ⭐
		A	2600:9000:5303:9700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-919.awsdns-50.net`
		A	205.251.195.151^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-919.awsdns-50.net`
NS	`ns-1298.awsdns-34.org`
		A	2600:9000:5305:1200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1298.awsdns-34.org`
		A	205.251.197.18^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1298.awsdns-34.org`
NS	`ns-1576.awsdns-05.co.uk`
		A	2600:9000:5306:2800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1576.awsdns-05.co.uk`
		A	205.251.198.40^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1576.awsdns-05.co.uk`
NS	`ns-422.awsdns-52.com`
		A	2600:9000:5301:a600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-422.awsdns-52.com`
		A	205.251.193.166^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-422.awsdns-52.com`
SOA	`ns-919.awsdns-50.net`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=1775966497

Same first word

ffwebinar.com

DNS History

32 records (8 active, 24 former)

●NSns-1298.awsdns-34.org2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 00:19:46
● 2026-04-12 04:23:32

●NSns-1576.awsdns-05.co.uk2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 00:19:46
● 2026-04-12 04:23:32

●NSns-422.awsdns-52.com2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 00:19:46
● 2026-04-12 04:23:32

●NSns-919.awsdns-50.net2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 00:19:46
● 2026-04-12 04:23:32

○A108.158.122.1172026-04-01 → 2026-04-12 · 43 obs

○ 2026-04-01 14:37:24
● 2026-04-01 15:50:24
● 2026-04-01 16:41:52
○ 2026-04-01 17:44:22
● 2026-04-01 19:07:52
● 2026-04-02 03:33:36
○ 2026-04-02 05:08:54
○ 2026-04-03 15:30:40
● 2026-04-03 16:40:56
● 2026-04-03 22:22:42
○ 2026-04-03 23:10:32
● 2026-04-04 00:43:54
○ 2026-04-04 01:46:28
○ 2026-04-05 00:13:48
● 2026-04-05 01:41:42
○ 2026-04-05 02:51:26
○ 2026-04-06 00:46:52
● 2026-04-06 01:57:10
○ 2026-04-06 02:58:44
○ 2026-04-07 19:41:50
● 2026-04-07 21:07:12
○ 2026-04-07 22:16:50
○ 2026-04-09 00:14:58
● 2026-04-09 01:48:30
○ 2026-04-09 02:57:34
○ 2026-04-10 15:41:08
● 2026-04-10 16:51:22
● 2026-04-11 02:03:38
○ 2026-04-11 02:34:48
● 2026-04-11 03:14:00
● 2026-04-11 05:26:36
○ 2026-04-11 06:08:06
● 2026-04-11 08:56:46
● 2026-04-11 11:17:02
○ 2026-04-11 12:27:20
○ 2026-04-11 14:33:36
● 2026-04-11 15:56:34
● 2026-04-11 20:21:50
○ 2026-04-11 23:51:12
○ 2026-04-12 00:55:02
● 2026-04-12 02:11:32
○ 2026-04-12 03:14:42
○ 2026-04-12 04:23:32

○A108.158.122.122026-04-01 → 2026-04-12 · 43 obs

○A108.158.122.162026-04-01 → 2026-04-12 · 43 obs

○A108.158.122.452026-04-01 → 2026-04-12 · 43 obs

●A13.33.153.452026-02-17 → 2026-04-12 · 68 obs

● 2026-02-17 00:19:46
● 2026-02-25 12:38:38
○ 2026-02-25 17:24:34
● 2026-02-26 10:57:08
● 2026-03-02 22:27:14
○ 2026-03-03 01:34:18
○ 2026-03-03 12:27:30
● 2026-03-05 06:13:32
● 2026-03-06 01:11:12
○ 2026-03-07 01:12:28
● 2026-03-08 06:10:20
○ 2026-03-09 16:35:38
○ 2026-03-10 15:35:34
● 2026-03-11 01:10:52
○ 2026-03-12 14:25:16
○ 2026-03-12 20:58:40
● 2026-03-13 02:08:16
○ 2026-03-13 13:35:20
● 2026-03-13 23:09:42
● 2026-03-14 03:26:50
○ 2026-03-14 15:12:56
● 2026-03-14 16:26:58
○ 2026-03-17 13:19:02
● 2026-03-17 19:38:48
● 2026-03-28 17:37:02
○ 2026-03-31 10:54:00
○ 2026-04-01 01:01:34
● 2026-04-01 01:34:36
○ 2026-04-01 02:13:30
○ 2026-04-01 16:41:52
● 2026-04-01 17:44:22
○ 2026-04-01 19:07:52
○ 2026-04-02 17:44:52
● 2026-04-02 18:32:38
○ 2026-04-02 19:58:48
○ 2026-04-03 22:22:42
● 2026-04-03 23:10:32
○ 2026-04-04 00:43:54
○ 2026-04-04 01:46:28
● 2026-04-04 02:27:00
○ 2026-04-04 04:06:30
○ 2026-04-05 04:01:24
● 2026-04-05 05:03:38
○ 2026-04-05 06:21:46
○ 2026-04-05 16:44:56
● 2026-04-05 17:37:24
○ 2026-04-05 19:04:56
○ 2026-04-07 07:40:48
● 2026-04-07 08:16:48
○ 2026-04-07 08:50:48
○ 2026-04-07 18:53:58
● 2026-04-07 19:41:50
○ 2026-04-07 21:07:12
○ 2026-04-08 03:54:22
● 2026-04-08 04:39:00
○ 2026-04-08 05:11:08
○ 2026-04-10 11:07:54
● 2026-04-10 12:06:18
○ 2026-04-10 13:21:08
○ 2026-04-11 02:03:38
● 2026-04-11 02:34:48
○ 2026-04-11 03:14:00
○ 2026-04-11 05:26:36
● 2026-04-11 06:08:06
○ 2026-04-11 08:56:46
○ 2026-04-12 03:14:42
● 2026-04-12 03:56:16
● 2026-04-12 04:23:32

●A13.33.153.562026-02-17 → 2026-04-12 · 68 obs

●A13.33.153.752026-02-17 → 2026-04-12 · 68 obs

●A13.33.153.912026-02-17 → 2026-04-12 · 68 obs

○A18.154.206.1052026-03-03 → 2026-03-17 · 20 obs

○ 2026-02-17 00:19:46
○ 2026-03-03 01:34:18
● 2026-03-03 12:27:30
○ 2026-03-05 06:13:32
○ 2026-03-08 06:10:20
● 2026-03-09 16:35:38
○ 2026-03-10 10:32:22
● 2026-03-10 15:35:34
○ 2026-03-11 01:10:52
○ 2026-03-12 14:25:16
● 2026-03-12 20:58:40
○ 2026-03-13 02:08:16
● 2026-03-13 13:35:20
○ 2026-03-13 23:09:42
○ 2026-03-14 03:26:50
● 2026-03-14 15:12:56
○ 2026-03-14 16:26:58
● 2026-03-17 13:19:02
○ 2026-03-17 19:38:48
○ 2026-04-12 04:23:32

○A18.154.206.142026-03-03 → 2026-03-17 · 20 obs

○A18.154.206.292026-03-03 → 2026-03-17 · 20 obs

○A18.154.206.542026-03-03 → 2026-03-17 · 20 obs

○A3.163.139.1052026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 21:25:00
● 2026-04-05 22:35:20
○ 2026-04-05 23:45:46
○ 2026-04-12 04:23:32

○A3.163.139.1242026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 21:25:00
● 2026-04-05 22:35:20
○ 2026-04-05 23:45:46
○ 2026-04-12 04:23:32

○A3.163.139.842026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 21:25:00
● 2026-04-05 22:35:20
○ 2026-04-05 23:45:46
○ 2026-04-12 04:23:32

○A3.163.139.982026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 21:25:00
● 2026-04-05 22:35:20
○ 2026-04-05 23:45:46
○ 2026-04-12 04:23:32

○A3.164.28.142026-03-31 → 2026-04-12 · 69 obs

○ 2026-03-28 17:37:02
● 2026-03-31 10:54:00
● 2026-04-01 01:01:34
○ 2026-04-01 01:34:36
● 2026-04-01 02:13:30
● 2026-04-01 14:37:24
○ 2026-04-01 15:50:24
○ 2026-04-02 03:33:36
● 2026-04-02 05:08:54
● 2026-04-02 17:44:52
○ 2026-04-02 18:32:38
● 2026-04-02 19:58:48
● 2026-04-03 15:30:40
○ 2026-04-03 16:40:56
○ 2026-04-04 00:43:54
● 2026-04-04 01:46:28
○ 2026-04-04 02:27:00
● 2026-04-04 04:06:30
● 2026-04-05 00:13:48
○ 2026-04-05 01:41:42
● 2026-04-05 02:51:26
● 2026-04-05 04:01:24
○ 2026-04-05 05:03:38
● 2026-04-05 06:21:46
● 2026-04-05 16:44:56
○ 2026-04-05 17:37:24
● 2026-04-05 19:04:56
● 2026-04-05 21:25:00
○ 2026-04-05 22:35:20
● 2026-04-05 23:45:46
● 2026-04-06 00:46:52
○ 2026-04-06 01:57:10
● 2026-04-06 02:58:44
● 2026-04-07 07:40:48
○ 2026-04-07 08:16:48
● 2026-04-07 08:50:48
● 2026-04-07 18:53:58
○ 2026-04-07 19:41:50
○ 2026-04-07 21:07:12
● 2026-04-07 22:16:50
○ 2026-04-07 23:10:58
● 2026-04-08 00:14:38
● 2026-04-08 01:39:16
○ 2026-04-08 02:38:56
● 2026-04-08 03:54:22
○ 2026-04-08 04:39:00
○ 2026-04-08 05:11:08
● 2026-04-08 06:14:46
○ 2026-04-08 07:06:20
● 2026-04-08 08:34:22
● 2026-04-09 00:14:58
○ 2026-04-09 01:48:30
● 2026-04-09 02:57:34
● 2026-04-10 11:07:54
○ 2026-04-10 12:06:18
● 2026-04-10 13:21:08
● 2026-04-10 15:41:08
○ 2026-04-10 16:51:22
○ 2026-04-11 11:17:02
● 2026-04-11 12:27:20
● 2026-04-11 14:33:36
○ 2026-04-11 15:56:34
○ 2026-04-11 20:21:50
● 2026-04-11 23:51:12
● 2026-04-12 00:55:02
○ 2026-04-12 02:11:32
● 2026-04-12 03:14:42
○ 2026-04-12 03:56:16
○ 2026-04-12 04:23:32

○A3.164.28.242026-03-31 → 2026-04-12 · 69 obs

○A3.164.28.502026-03-31 → 2026-04-12 · 69 obs

○A3.164.28.592026-03-31 → 2026-04-12 · 69 obs

○A3.170.19.112026-02-25 → 2026-03-12 · 16 obs

○ 2026-02-25 12:38:38
● 2026-02-25 17:24:34
○ 2026-02-26 10:57:08
○ 2026-03-02 22:27:14
● 2026-03-03 01:34:18
○ 2026-03-03 12:27:30
○ 2026-03-06 01:11:12
● 2026-03-07 01:12:28
○ 2026-03-08 06:10:20
○ 2026-03-09 16:35:38
● 2026-03-10 10:32:22
○ 2026-03-10 15:35:34
○ 2026-03-11 01:10:52
● 2026-03-12 14:25:16
○ 2026-03-12 20:58:40
○ 2026-04-12 04:23:32

○A3.170.19.122026-02-25 → 2026-03-12 · 16 obs

○A3.170.19.1252026-02-25 → 2026-03-12 · 16 obs

○A3.170.19.152026-02-25 → 2026-03-12 · 16 obs

○A3.174.29.122026-04-07 → 2026-04-08 · 12 obs

○ 2026-04-07 22:16:50
● 2026-04-07 23:10:58
○ 2026-04-08 00:14:38
○ 2026-04-08 01:39:16
● 2026-04-08 02:38:56
○ 2026-04-08 03:54:22
○ 2026-04-08 04:39:00
● 2026-04-08 05:11:08
○ 2026-04-08 06:14:46
● 2026-04-08 07:06:20
○ 2026-04-08 08:34:22
○ 2026-04-12 04:23:32

○A3.174.29.152026-04-07 → 2026-04-08 · 12 obs

○A3.174.29.452026-04-07 → 2026-04-08 · 12 obs

○A3.174.29.792026-04-07 → 2026-04-08 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ffwebinar.com	ns-422.awsdns-52.com, ns-919.awsdns-50.net, ns-1576.awsdns-05.co.uk, ns-1298.awsdns-34.org	1 record

✅ Authoritative Response

Server:205.251.197.18

NS records: ns-422.awsdns-52.com, ns-919.awsdns-50.net, ns-1576.awsdns-05.co.uk, ns-1298.awsdns-34.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ffwebinar.com (unsigned zone)

⏱️ Timing

Total: 410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.164.28.24, 3.164.28.50...`
NS	4	`ns-1298.awsdns-34.org, ns-1576.awsdns-05.co.uk...`
SOA	1	`ns-919.awsdns-50.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-422.awsdns-52.com)

Analysis

IP Addresses

ffwebinar.com points to four IP numbers: 13.33.153.45, 13.33.153.56, 13.33.153.75 and 13.33.153.91.

Other host names including d1rfzj4ihpbbq.cloudfront.net, api2.inquisitive.com, www.hughgrigg.com, listings-static2.antengo.com and dqgwgacfs1uxk.cloudfront.net share IP numbers with ffwebinar.com.

Name Servers

ffwebinar.com is delegated to four name servers: ns-422.awsdns-52.com, ns-919.awsdns-50.net, ns-1298.awsdns-34.org and ns-1576.awsdns-05.co.uk.

ffwebinar.com at least partially shares name servers with other domains, including rs672-realsender.com, phs-technik.com, citiservices.org, chadi.io and df4w2irm9qu4t.cloudfront.net.

these name servers are commonly used together with ns-305.awsdns-38.com, ns-900.awsdns-48.net and ns-1434.awsdns-51.org.

Hosts with two IP numbers:

Host ns-422.awsdns-52.com points to 2600:9000:5301:a600::1 and 205.251.193.166

Host ns-919.awsdns-50.net points to 2600:9000:5303:9700::1 and 205.251.195.151

Host ns-1298.awsdns-34.org points to 2600:9000:5305:1200::1 and 205.251.197.18

Host ns-1576.awsdns-05.co.uk points to 2600:9000:5306:2800::1 and 205.251.198.40

ffwebinar.com - robtex.com

ffwebinar.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

`ffwebinar.com`

`com`