`pagespeedcheck.com`

DNSSEC	⚠️ Not signed
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.115^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`70a50f6650da1e2bcbf3e0a7647aed5336bc1ed6`
SOA	`ns1.value-domain.com`hostmaster@pagespeedcheck.com 2022-04-23 #21

`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=1774671372

Same first word

pagespeedcheck.com

DNS History

11 records (2 active, 9 former)

○NSns1.fabulous.com2015-10-31 → 2016-12-07 · 4 obs

● 2015-10-31 01:31:16
● 2016-12-07 05:06:56
○ 2017-09-05 00:32:32
○ 2026-03-28 04:19:02

●NSns1.value-domain.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-09-05 00:32:32
● 2026-03-27 16:31:56
● 2026-03-28 04:19:02

○NSns2.fabulous.com2015-10-31 → 2016-12-07 · 4 obs

● 2015-10-31 01:31:16
● 2016-12-07 05:06:56
○ 2017-09-05 00:32:32
○ 2026-03-28 04:19:02

●NSns2.value-domain.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-09-05 00:32:32
● 2026-03-27 16:31:56
● 2026-03-28 04:19:02

○MXmail.b-io.co2015-10-31 → 2016-12-07 · 4 obs

● 2015-10-31 01:31:16
● 2016-12-07 05:06:56
○ 2017-09-05 00:32:32
○ 2026-03-28 04:19:02

○A208.48.81.1332015-10-31 → 2016-01-29 · 4 obs

● 2015-10-31 01:31:16
● 2016-01-29 10:02:44
○ 2016-04-23 21:51:08
○ 2026-03-28 04:19:02

○A208.48.81.1342015-10-31 → 2016-01-29 · 4 obs

● 2015-10-31 01:31:16
● 2016-01-29 10:02:44
○ 2016-04-23 21:51:08
○ 2026-03-28 04:19:02

○A208.48.81.1792016-01-29 → 2016-01-29 · 4 obs

○ 2015-10-31 01:31:16
● 2016-01-29 10:02:44
○ 2016-04-23 21:51:08
○ 2026-03-28 04:19:02

○A64.15.205.1002015-10-31 → 2016-01-29 · 4 obs

● 2015-10-31 01:31:16
● 2016-01-29 10:02:44
○ 2016-04-23 21:51:08
○ 2026-03-28 04:19:02

○A64.15.205.1012015-10-31 → 2016-01-29 · 4 obs

● 2015-10-31 01:31:16
● 2016-01-29 10:02:44
○ 2016-04-23 21:51:08
○ 2026-03-28 04:19:02

○A98.124.245.242016-04-23 → 2016-12-07 · 5 obs

○ 2016-01-29 10:02:44
● 2016-04-23 21:51:08
● 2016-12-07 05:06:56
○ 2017-09-05 00:32:32
○ 2026-03-28 04:19:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pagespeedcheck.com	ns1.value-domain.com, ns2.value-domain.com	2 records

✅ Authoritative Response

Server:172.64.53.115

NS records: ns1.value-domain.com, ns2.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pagespeedcheck.com (unsigned zone)

⏱️ Timing

Total: 397ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.value-domain.com, ns1.value-domain.com`
TXT	1	`70a50f6650da1e2bcbf3e0a7647aed5336bc1ed6`
SOA	1	`ns1.value-domain.com hostmaster.pagespee`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.value-domain.com, ns2.value-domain.com)

Analysis

Name Servers

Two name servers ns1.value-domain.com and ns2.value-domain.com handle the delegation for pagespeedcheck.com.

pagespeedcheck.com shares the same name server setup as other domains, for instance renow.jp, nxtg.biz, nashinokai.net, parashi.net and chosenji.org.

pagespeedcheck.com at least partially shares name servers with other domains, for instance icedata.net, sirotya.com, heiwa-denki.net, jitetan.com and tnlife.net.

These name servers are commonly used with ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Host names with two IP numbers:

ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161.

ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115.

pagespeedcheck.com - robtex.com