`speedtestsrv.com`

DNSSEC	⚠️ Not signed
NS	`ns-1877.awsdns-42.co.uk` ⭐
		A	2600:9000:5307:5500::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1877.awsdns-42.co.uk`
		A	205.251.199.85^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1877.awsdns-42.co.uk`
NS	`ns-1380.awsdns-44.org`
		A	2600:9000:5305:6400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1380.awsdns-44.org`
		A	205.251.197.100^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1380.awsdns-44.org`
NS	`ns-234.awsdns-29.com`
		A	2600:9000:5300:ea00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-234.awsdns-29.com`
		A	205.251.192.234^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-234.awsdns-29.com`
NS	`ns-816.awsdns-38.net`
		A	2600:9000:5303:3000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-816.awsdns-38.net`
		A	205.251.195.48^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-816.awsdns-38.net`
TXT	`q1r4x7fqk8lt86jk853gmrtcljqhpt6t`
SOA	`ns-1877.awsdns-42.co.uk`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

📈 Tranco rank: #149,789

Subdomains

cfg.speedtestsrv.com

lz-vfd.speedtestsrv.com

Same first word

speedtestsrv.com

DNS History

10 records (4 active, 6 former)

●NSns-1380.awsdns-44.org2026-02-18 → 2026-03-09 · 3 obs

○ 2017-11-14 11:16:48
● 2026-02-18 11:40:22
● 2026-03-09 15:36:16

●NSns-1877.awsdns-42.co.uk2026-02-18 → 2026-03-09 · 3 obs

○ 2017-11-14 11:16:48
● 2026-02-18 11:40:22
● 2026-03-09 15:36:16

●NSns-234.awsdns-29.com2026-02-18 → 2026-03-09 · 3 obs

○ 2017-11-14 11:16:48
● 2026-02-18 11:40:22
● 2026-03-09 15:36:16

●NSns-816.awsdns-38.net2026-02-18 → 2026-03-09 · 3 obs

○ 2017-11-14 11:16:48
● 2026-02-18 11:40:22
● 2026-03-09 15:36:16

○NSns1.first-ns.de2016-12-15 → 2017-11-14 · 4 obs

● 2016-12-15 03:55:06
● 2017-11-14 11:16:48
○ 2026-02-18 11:40:22
○ 2026-03-09 15:36:16

○NSrobotns2.second-ns.de2016-12-15 → 2017-11-14 · 4 obs

● 2016-12-15 03:55:06
● 2017-11-14 11:16:48
○ 2026-02-18 11:40:22
○ 2026-03-09 15:36:16

○NSrobotns3.second-ns.com2016-12-15 → 2017-11-14 · 4 obs

● 2016-12-15 03:55:06
● 2017-11-14 11:16:48
○ 2026-02-18 11:40:22
○ 2026-03-09 15:36:16

○MXmail.speedtestsrv.com2016-12-15 → 2017-11-14 · 4 obs

● 2016-12-15 03:55:06
● 2017-11-14 11:16:48
○ 2026-02-18 11:40:22
○ 2026-03-09 15:36:16

○A212.227.109.2202017-11-14 → 2017-11-14 · 4 obs

○ 2016-12-15 03:55:06
● 2017-11-14 11:16:48
○ 2026-02-18 11:40:22
○ 2026-03-09 15:36:16

○A87.106.245.72016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 03:55:06
○ 2017-11-14 11:16:48
○ 2026-03-09 15:36:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
speedtestsrv.com	ns-234.awsdns-29.com, ns-816.awsdns-38.net, ns-1877.awsdns-42.co.uk, ns-1380.awsdns-44.org	1 record

✅ Authoritative Response

Server: 205.251.197.100

NS records: ns-234.awsdns-29.com, ns-816.awsdns-38.net, ns-1877.awsdns-42.co.uk, ns-1380.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for speedtestsrv.com (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1380.awsdns-44.org, ns-1877.awsdns-42.co.uk...`
TXT	1	`q1r4x7fqk8lt86jk853gmrtcljqhpt6t`
SOA	1	`ns-1877.awsdns-42.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-234.awsdns-29.com)

Analysis

Hierarchy

speedtestsrv.com is parent of cfg.speedtestsrv.com and lz-vfd.speedtestsrv.com.

Name Servers

speedtestsrv.com is delegated to four name servers: ns-234.awsdns-29.com, ns-816.awsdns-38.net, ns-1380.awsdns-44.org and ns-1877.awsdns-42.co.uk.

speedtestsrv.com at least partially shares name servers with other domains, including simexpert.ca, ceylincoinsuranceplc.com, performancetracker.co.uk, traininginvelachery.in and dev.poweredbylh.com.

These name servers are often used together with ns-843.awsdns-41.net.

Hosts with two IP numbers:

Host ns-234.awsdns-29.com points to 2600:9000:5300:ea00::1 and 205.251.192.234

Host ns-816.awsdns-38.net points to 2600:9000:5303:3000::1 and 205.251.195.48

Host ns-1380.awsdns-44.org points to 2600:9000:5305:6400::1 and 205.251.197.100

Host ns-1877.awsdns-42.co.uk points to 2600:9000:5307:5500::1 and 205.251.199.85

speedtestsrv.com - robtex.com