ruby-docs.org - dns.ninja

`ruby-docs.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3358^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b1fa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.88^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.250^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kyree.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ccf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyree.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kyree.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kyree.ns.cloudflare.com`
		A	108.162.195.207^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyree.ns.cloudflare.com`
		A	162.159.44.207^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyree.ns.cloudflare.com`
		A	172.64.35.207^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyree.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
MX	`ghs.google.com` ⭐
		A	2607:f8b0:4004:c21::79^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f121.1e100.net`
		A	64.233.180.121^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f121.1e100.net`
			PTR	`pe-in-f121.1e100.net`
TXT	`google-site-verification=3jjf8FzWUt5CggQbUklp7_Z7ZZqsERfRQF9-XyuRaoE`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.88, 172.67.177.250
		IPv6 hints	2606:4700:3031::6815:3358, 2606:4700:3037::ac43:b1fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOA	`kyree.ns.cloudflare.com`dns@cloudflare.com serial=2409090445

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785007541

Previously MX for

ruby-docs.org

Same first word

ruby-docs.org

DNS History

29 records (7 active, 22 former)

●NSkyree.ns.cloudflare.com2026-02-18 → 2026-07-25 · 3 obs

○ 2017-07-04 11:55:16
● 2026-02-18 23:28:10
● 2026-07-25 20:20:14

○NSns1.hetrixbyte.com2016-01-28 → 2016-01-28 · 4 obs

○ 2015-10-31 20:35:22
● 2016-01-28 00:52:48
○ 2016-04-16 13:56:14
○ 2026-07-25 20:20:14

○NSns100.hetrixbyte.com2016-04-16 → 2016-04-16 · 4 obs

○ 2016-01-28 00:52:48
● 2016-04-16 13:56:14
○ 2016-12-03 05:22:30
○ 2026-07-25 20:20:14

○NSns2.hetrixbyte.com2016-01-28 → 2016-01-28 · 4 obs

○ 2015-10-31 20:35:22
● 2016-01-28 00:52:48
○ 2016-04-16 13:56:14
○ 2026-07-25 20:20:14

○NSns200.hetrixbyte.com2016-04-16 → 2016-04-16 · 4 obs

○ 2016-01-28 00:52:48
● 2016-04-16 13:56:14
○ 2016-12-03 05:22:30
○ 2026-07-25 20:20:14

○NSns7.crocweb.com2016-12-03 → 2017-07-04 · 5 obs

○ 2016-04-16 13:56:14
● 2016-12-03 05:22:30
● 2017-07-04 11:55:16
○ 2026-02-18 23:28:10
○ 2026-07-25 20:20:14

○NSns77.domaincontrol.com2015-10-31 → 2015-10-31 · 3 obs

● 2015-10-31 20:35:22
○ 2016-01-28 00:52:48
○ 2026-07-25 20:20:14

○NSns78.domaincontrol.com2015-10-31 → 2015-10-31 · 3 obs

● 2015-10-31 20:35:22
○ 2016-01-28 00:52:48
○ 2026-07-25 20:20:14

○NSns8.crocweb.com2016-12-03 → 2017-07-04 · 5 obs

○ 2016-04-16 13:56:14
● 2016-12-03 05:22:30
● 2017-07-04 11:55:16
○ 2026-02-18 23:28:10
○ 2026-07-25 20:20:14

●NSruth.ns.cloudflare.com2026-02-18 → 2026-07-25 · 3 obs

○ 2017-07-04 11:55:16
● 2026-02-18 23:28:10
● 2026-07-25 20:20:14

●MXghs.google.com2026-02-18 → 2026-07-25 · 3 obs

○ 2017-07-04 11:55:16
● 2026-02-18 23:28:10
● 2026-07-25 20:20:14

○MXmailstore1.secureserver.net2015-10-31 → 2015-10-31 · 3 obs

● 2015-10-31 20:35:22
○ 2016-01-28 00:52:48
○ 2026-07-25 20:20:14

○MXruby-docs.org2016-01-28 → 2017-07-04 · 5 obs

○ 2015-10-31 20:35:22
● 2016-01-28 00:52:48
● 2017-07-04 11:55:16
○ 2026-02-18 23:28:10
○ 2026-07-25 20:20:14

○MXsmtp.secureserver.net2015-10-31 → 2015-10-31 · 3 obs

● 2015-10-31 20:35:22
○ 2016-01-28 00:52:48
○ 2026-07-25 20:20:14

○A104.152.168.42016-12-03 → 2017-07-04 · 5 obs

○ 2016-04-16 13:56:14
● 2016-12-03 05:22:30
● 2017-07-04 11:55:16
○ 2026-02-18 23:28:10
○ 2026-07-25 20:20:14

●A104.21.51.882026-03-29 → 2026-07-25 · 8 obs

○ 2026-02-18 23:28:10
● 2026-03-29 03:42:04
○ 2026-04-07 10:34:42
● 2026-04-26 16:51:10
● 2026-06-13 16:18:10
○ 2026-06-14 21:21:38
● 2026-06-19 13:52:28
● 2026-07-25 20:20:14

○A107.178.97.1632016-04-16 → 2016-04-16 · 4 obs

○ 2016-01-28 00:52:48
● 2016-04-16 13:56:14
○ 2016-12-03 05:22:30
○ 2026-07-25 20:20:14

○A172.64.80.12026-02-18 → 2026-07-25 · 2 obs

○ 2026-02-18 23:28:10
○ 2026-07-25 20:20:14

●A172.67.177.2502026-03-29 → 2026-07-25 · 8 obs

○ 2026-02-18 23:28:10
● 2026-03-29 03:42:04
○ 2026-04-07 10:34:42
● 2026-04-26 16:51:10
● 2026-06-13 16:18:10
○ 2026-06-14 21:21:38
● 2026-06-19 13:52:28
● 2026-07-25 20:20:14

○A184.168.221.492015-10-31 → 2015-10-31 · 3 obs

● 2015-10-31 20:35:22
○ 2016-01-28 00:52:48
○ 2026-07-25 20:20:14

○A188.114.96.02026-02-18 → 2026-06-14 · 9 obs

○ 2017-07-04 11:55:16
● 2026-02-18 23:28:10
○ 2026-03-29 03:42:04
● 2026-04-07 10:34:42
○ 2026-04-26 16:51:10
○ 2026-06-13 16:18:10
● 2026-06-14 21:21:38
○ 2026-06-19 13:52:28
○ 2026-07-25 20:20:14

○A188.114.97.02026-02-18 → 2026-06-14 · 9 obs

○A2606:4700:3030::6815:33582026-03-29 → 2026-06-19 · 9 obs

○ 2026-02-18 23:28:10
● 2026-03-29 03:42:04
○ 2026-04-07 10:34:42
● 2026-04-26 16:51:10
● 2026-06-13 16:18:10
○ 2026-06-14 21:21:38
● 2026-06-19 13:52:28
○ 2026-07-09 06:12:14
○ 2026-07-25 20:20:14

●A2606:4700:3031::6815:33582026-07-09 → 2026-07-25 · 3 obs

○ 2026-06-19 13:52:28
● 2026-07-09 06:12:14
● 2026-07-25 20:20:14

○A2606:4700:3031::ac43:b1fa2026-03-29 → 2026-06-19 · 9 obs

●A2606:4700:3037::ac43:b1fa2026-07-09 → 2026-07-25 · 3 obs

○ 2026-06-19 13:52:28
● 2026-07-09 06:12:14
● 2026-07-25 20:20:14

○A2a06:98c1:3120::2026-02-18 → 2026-06-14 · 9 obs

○A2a06:98c1:3121::2026-02-18 → 2026-06-14 · 9 obs

○A50.28.73.82016-01-28 → 2016-01-28 · 4 obs

○ 2015-10-31 20:35:22
● 2016-01-28 00:52:48
○ 2016-04-16 13:56:14
○ 2026-07-25 20:20:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
ruby-docs.org	ruth.ns.cloudflare.com, kyree.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.207

NS records: ruth.ns.cloudflare.com, kyree.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruby-docs.org (unsigned zone)

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.88, 172.67.177.250`
AAAA	2	`2606:4700:3031::6815:3358, 2606:4700:3037::ac43:b1fa`
NS	2	`kyree.ns.cloudflare.com, ruth.ns.cloudflare.com`
MX	1	`ghs.google.com (pri: 1200)`
TXT	1	`google-site-verification=3jjf8FzWUt5CggQ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kyree.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

ruby-docs.org directs to four IP numbers, which are 104.21.51.88, 172.67.177.250, 2606:4700:3031::6815:3358 and 2606:4700:3037::ac43:b1fa.

ns2.divineinfoservices.com, www.ktabby.com, divineinfoservices.com plus two other host names have IP numbers in common with ruby-docs.org.

Name Servers

ruby-docs.org is served by two delegated name servers, kyree.ns.cloudflare.com and ruth.ns.cloudflare.com.

The name server configuration of ruby-docs.org is shared with other domains, for instance ausconstitution.org, stayhosted.com, stepintogerman.org and two others.

There is at least partial name server overlap between ruby-docs.org and other domains — gardnerfbc.org, growthcomics.com, vangoule.com and two more among them.

These name servers frequently co-occur with the name servers nicole.ns.cloudflare.com and beth.ns.cloudflare.com.

Hosts with 6 IP addresses each:

kyree.ns.cloudflare.com carries IP addresses 108.162.195.207, 162.159.44.207 and 172.64.35.207, with 3 other addresses beyond those.

ruth.ns.cloudflare.com carries IP addresses 108.162.192.143, 172.64.32.143 and 173.245.58.143, with 3 other addresses beyond those.

Mail Servers

ruby-docs.org uses one mail server — ghs.google.com.

The mail server setup of ruby-docs.org matches that of other domains such as steveosderby.com, ciatn.org, ctrentahen.com and two others.

ruby-docs.org and other domains — merhout.com for instance — share at least some mail servers.

ghs.google.com carries two IP numbers: 64.233.180.121 and 2607:f8b0:4004:c21::79.