`practicingruby.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:5fa7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9236^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.167^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.54^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kia.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kia.ns.cloudflare.com`
		A	108.162.192.179^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	172.64.32.179^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
		A	173.245.58.179^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kia.ns.cloudflare.com`
NS	`neil.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`neil.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`neil.ns.cloudflare.com`
		A	108.162.193.211^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	172.64.33.211^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	173.245.59.211^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`ALIAS for practicingdeveloper.github.io`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.167, 172.67.146.54
		IPv6 hints	2606:4700:3035::6815:5fa7, 2606:4700:3036::ac43:9236
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com
SOA	`kia.ns.cloudflare.com`dns@cloudflare.com serial=2402142697

`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=1776964896

WOT: SAFE (67/100)

Subdomains

www.practicingruby.com

Same first word

practicingruby.com

DNS History

25 records (8 active, 17 former)

●NSkia.ns.cloudflare.com2026-02-18 → 2026-04-23 · 3 obs

○ 2017-03-28 16:28:40
● 2026-02-18 12:15:44
● 2026-04-23 17:24:10

●NSneil.ns.cloudflare.com2026-02-18 → 2026-04-23 · 3 obs

○ 2017-03-28 16:28:40
● 2026-02-18 12:15:44
● 2026-04-23 17:24:10

○NSns1.dnsimple.com2016-06-20 → 2017-03-28 · 5 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
● 2017-03-28 16:28:40
○ 2026-02-18 12:15:44
○ 2026-04-23 17:24:10

○NSns1.dreamhost.com2015-06-24 → 2016-01-27 · 4 obs

● 2015-06-24 23:57:46
● 2016-01-27 03:47:32
○ 2016-06-20 20:07:44
○ 2026-04-23 17:24:10

○NSns2.dnsimple.com2016-06-20 → 2017-03-28 · 5 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
● 2017-03-28 16:28:40
○ 2026-02-18 12:15:44
○ 2026-04-23 17:24:10

○NSns2.dreamhost.com2015-06-24 → 2016-01-27 · 4 obs

● 2015-06-24 23:57:46
● 2016-01-27 03:47:32
○ 2016-06-20 20:07:44
○ 2026-04-23 17:24:10

○NSns3.dnsimple.com2016-06-20 → 2017-03-28 · 5 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
● 2017-03-28 16:28:40
○ 2026-02-18 12:15:44
○ 2026-04-23 17:24:10

○NSns3.dreamhost.com2015-06-24 → 2016-01-27 · 4 obs

● 2015-06-24 23:57:46
● 2016-01-27 03:47:32
○ 2016-06-20 20:07:44
○ 2026-04-23 17:24:10

○NSns4.dnsimple.com2016-06-20 → 2017-03-28 · 5 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
● 2017-03-28 16:28:40
○ 2026-02-18 12:15:44
○ 2026-04-23 17:24:10

●MXin1-smtp.messagingengine.com2015-06-24 → 2026-04-23 · 2 obs

● 2015-06-24 23:57:46
● 2026-04-23 17:24:10

●MXin2-smtp.messagingengine.com2015-06-24 → 2026-04-23 · 2 obs

● 2015-06-24 23:57:46
● 2026-04-23 17:24:10

●A104.21.95.1672026-02-18 → 2026-04-23 · 3 obs

○ 2017-03-28 16:28:40
● 2026-02-18 12:15:44
● 2026-04-23 17:24:10

○A151.101.36.1332017-03-28 → 2017-03-28 · 4 obs

○ 2016-06-20 20:07:44
● 2017-03-28 16:28:40
○ 2026-02-18 12:15:44
○ 2026-04-23 17:24:10

●A172.67.146.542026-02-18 → 2026-04-23 · 3 obs

○ 2017-03-28 16:28:40
● 2026-02-18 12:15:44
● 2026-04-23 17:24:10

○A173.246.40.1232015-06-24 → 2016-01-27 · 4 obs

● 2015-06-24 23:57:46
● 2016-01-27 03:47:32
○ 2016-06-20 20:07:44
○ 2026-04-23 17:24:10

●A2606:4700:3035::6815:5fa72026-02-18 → 2026-04-23 · 3 obs

○ 2017-03-28 16:28:40
● 2026-02-18 12:15:44
● 2026-04-23 17:24:10

●A2606:4700:3036::ac43:92362026-02-18 → 2026-04-23 · 3 obs

○ 2017-03-28 16:28:40
● 2026-02-18 12:15:44
● 2026-04-23 17:24:10

○A52.84.14.1032016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.1412016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.1422016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.1472016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.1492016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.2372016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.252016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

○A52.84.14.992016-06-20 → 2016-06-20 · 4 obs

○ 2016-01-27 03:47:32
● 2016-06-20 20:07:44
○ 2017-03-28 16:28:40
○ 2026-04-23 17:24:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
practicingruby.com	neil.ns.cloudflare.com, kia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.211

NS records: neil.ns.cloudflare.com, kia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for practicingruby.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.95.167, 172.67.146.54`
AAAA	2	`2606:4700:3035::6815:5fa7, 2606:4700:3036::ac43:9236`
NS	2	`kia.ns.cloudflare.com, neil.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`ALIAS for practicingdeveloper.github.io`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kia.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.practicingruby.com has practicingruby.com as its parent.

IP Addresses

practicingruby.com maps to four IP numbers: 2606:4700:3035::6815:5fa7, 2606:4700:3036::ac43:9236, 104.21.95.167 and 172.67.146.54.

Other host names, for instance stiltsvillefishbar.com, workatsuperior.com, x8.city, aurumcoreservices.digital and sennnongguohui.com share IP numbers with practicingruby.com.

Name Servers

Two name servers kia.ns.cloudflare.com and neil.ns.cloudflare.com are delegated to practicingruby.com.

practicingruby.com uses the same name server configuration as other domains, such as nzfrenzy.com, zdgeier.com, dienmayquanghanh.com, thismuchiknowtobetrue.com and connect-trezor-io-guide.pages.dev.

practicingruby.com at least partially shares name servers with other domains such as hbjssp.net, oneberrytech.digital, derbypublicart.com, ellagichub.digital and kaduwuoncollective48.sbs.

These name servers are commonly used alongside tom.ns.cloudflare.com, darwin.ns.cloudflare.com and amber.ns.cloudflare.com.

Host names with six IP numbers: Host name kia.ns.cloudflare.com points to 2606:4700:50::adf5:3ab3, 2803:f800:50::6ca2:c0b3, 2a06:98c1:50::ac40:20b3, 108.162.192.179, 172.64.32.179 and 173.245.58.179; host name neil.ns.cloudflare.com points to 2606:4700:58::adf5:3bd3, 2803:f800:50::6ca2:c1d3, 2a06:98c1:50::ac40:21d3, 108.162.193.211, 172.64.33.211 and 173.245.59.211.

Mail Servers

Two mail servers handle practicingruby.com: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

practicingruby.com shares the same mail server setup as other domains, including porthack.co.uk, wdev.net, sharmaso.com, stagehq.com and one-n.com.

practicingruby.com shares some mail servers with other domains, for instance 4drx.com, idiotsforhire.com and mail.schau.tv.

Host names with eight IP numbers:

in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Host names with four IP numbers:

in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

practicingruby.com - robtex.com