`theperformanceblog.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bde5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:a24^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.36^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.229^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melinda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
NS	`norman.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norman.ns.cloudflare.com`
		A	108.162.193.217^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	172.64.33.217^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	173.245.59.217^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴¹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`ahrefs-site-verification_8a14b69a2a335dd659d75c5336b1a401b92b359c12d3295caca1...`
TXT	`google-site-verification=pLPFIjCzwvqEzHn0P58PIAof7z8iD5rS3pVYq_SF4nQ`
TXT	`pinterest-site-verification=721c8fcedc6b8b6a48163ea2b7619649`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.10.36, 172.67.189.229
		IPv6	2606:4700:3031::ac43:bde5, 2606:4700:3035::6815:a24
SOA	`melinda.ns.cloudflare.com`dns@cloudflare.com serial=2398674711

`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=1774700687

🔒 HSTS Preload (+subdomains)

Same first word

theperformanceblog.com

DNS History

12 records (9 active, 3 former)

●NSmelinda.ns.cloudflare.com2026-03-15 → 2026-03-28 · 3 obs

○ 2017-05-22 07:42:04
● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

●NSnorman.ns.cloudflare.com2026-03-15 → 2026-03-28 · 3 obs

○ 2017-05-22 07:42:04
● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

○NSns.buydomains.com2015-06-11 → 2016-11-25 · 4 obs

● 2015-06-11 16:44:32
● 2016-11-25 10:47:06
○ 2017-05-22 07:42:04
○ 2026-03-28 12:49:18

●MXroute1.mx.cloudflare.net2026-03-15 → 2026-03-28 · 2 obs

● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

●MXroute2.mx.cloudflare.net2026-03-15 → 2026-03-28 · 2 obs

● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

●MXroute3.mx.cloudflare.net2026-03-15 → 2026-03-28 · 2 obs

● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

●A104.21.10.362026-03-15 → 2026-03-28 · 3 obs

○ 2017-05-22 07:42:04
● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

●A172.67.189.2292026-03-15 → 2026-03-28 · 3 obs

○ 2017-05-22 07:42:04
● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

○A207.148.248.1442015-11-07 → 2016-11-25 · 5 obs

○ 2015-06-11 16:44:32
● 2015-11-07 09:07:20
● 2016-11-25 10:47:06
○ 2017-05-22 07:42:04
○ 2026-03-28 12:49:18

●A2606:4700:3031::ac43:bde52026-03-15 → 2026-03-28 · 3 obs

○ 2017-05-22 07:42:04
● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

●A2606:4700:3035::6815:a242026-03-15 → 2026-03-28 · 3 obs

○ 2017-05-22 07:42:04
● 2026-03-15 22:46:20
● 2026-03-28 12:49:18

○A64.95.64.1622015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 16:44:32
○ 2015-11-07 09:07:20
○ 2026-03-28 12:49:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
theperformanceblog.com	norman.ns.cloudflare.com, melinda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.217

NS records: norman.ns.cloudflare.com, melinda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for theperformanceblog.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.189.229, 104.21.10.36`
AAAA	2	`2606:4700:3031::ac43:bde5, 2606:4700:3035::6815:a24`
NS	2	`melinda.ns.cloudflare.com, norman.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 41), route3.mx.cloudflare.net (pri: 5)...`
TXT	4	`ahrefs-site-verification_8a14b69a2a335dd, google-site-verification=pLPFIjCzwvqEzHn...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melinda.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (norman.ns.cloudflare.com, norman.ns.cloudflare.com, norman.ns.cloudflare.com...)

Analysis

IP Addresses

theperformanceblog.com maps to four IP numbers: 2606:4700:3031::ac43:bde5, 2606:4700:3035::6815:a24, 104.21.10.36 and 172.67.189.229.

Other host names, for instance civicblue.com, sofastware.com, eems.com.au, chuidiaoxi.com and www.gissllc.com share IP numbers with theperformanceblog.com.

Name Servers

Two name servers melinda.ns.cloudflare.com and norman.ns.cloudflare.com are delegated to theperformanceblog.com.

theperformanceblog.com uses the same name server configuration as other domains, such as get-locals.com, buytestosterone.net, buyanabolic.net, roidsstock.com and antroid.com.

theperformanceblog.com at least partially shares name servers with other domains such as fixmyhomecomputer.com.au, justgeek.it, texmason.com, bethhh.net.br and miguelmartin.com.

These name servers are commonly used alongside jaxson.ns.cloudflare.com, gina.ns.cloudflare.com and eloise.ns.cloudflare.com.

Host names with six IP numbers: Host name melinda.ns.cloudflare.com points to 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198; host name norman.ns.cloudflare.com points to 2606:4700:58::adf5:3bd9, 2803:f800:50::6ca2:c1d9, 2a06:98c1:50::ac40:21d9, 108.162.193.217, 172.64.33.217 and 173.245.59.217.

Mail Servers

theperformanceblog.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

theperformanceblog.com shares mail servers with other domains at least in part, for instance hedgedocs.com, sotremo.ch, retimail.com, johnwaller.me and espiritismo.cc.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

theperformanceblog.com - robtex.com