`keydatascience.com`

DNSSEC	⚠️ Not signed
A	104.21.2.161^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.96^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`kami.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kami.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kami.ns.cloudflare.com`
		A	108.162.192.177^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	172.64.32.177^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	173.245.58.177^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
MX	`mxa.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`v=spf1 include:mailgun.org ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.161, 172.67.129.96
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2400689208

`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=1778310776

Subdomains

www.keydatascience.com

Same first word

keydatascience.com

DNS History

8 records (6 active, 2 former)

●NSbob.ns.cloudflare.com2016-12-16 → 2026-05-09 · 2 obs

● 2016-12-16 12:03:20
● 2026-05-09 07:22:32

●NSkami.ns.cloudflare.com2016-12-16 → 2026-05-09 · 2 obs

● 2016-12-16 12:03:20
● 2026-05-09 07:22:32

●MXmxa.mailgun.org2017-05-23 → 2026-05-09 · 2 obs

● 2017-05-23 02:32:52
● 2026-05-09 07:22:32

●MXmxb.mailgun.org2017-05-23 → 2026-05-09 · 2 obs

● 2017-05-23 02:32:52
● 2026-05-09 07:22:32

●A104.21.2.1612026-02-21 → 2026-05-09 · 3 obs

○ 2017-05-23 02:32:52
● 2026-02-21 21:15:02
● 2026-05-09 07:22:32

○A104.28.0.232016-12-16 → 2017-05-23 · 4 obs

● 2016-12-16 12:03:20
● 2017-05-23 02:32:52
○ 2026-02-21 21:15:02
○ 2026-05-09 07:22:32

○A104.28.1.232016-12-16 → 2017-05-23 · 4 obs

● 2016-12-16 12:03:20
● 2017-05-23 02:32:52
○ 2026-02-21 21:15:02
○ 2026-05-09 07:22:32

●A172.67.129.962026-02-21 → 2026-05-09 · 3 obs

○ 2017-05-23 02:32:52
● 2026-02-21 21:15:02
● 2026-05-09 07:22:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net...	-
keydatascience.com	bob.ns.cloudflare.com, kami.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.104

NS records: bob.ns.cloudflare.com, kami.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keydatascience.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.129.96, 104.21.2.161`
NS	2	`bob.ns.cloudflare.com, kami.ns.cloudflare.com`
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	1	`v=spf1 include:mailgun.org ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

keydatascience.com is the parent of www.keydatascience.com.

IP Addresses

keydatascience.com resolves to two IP numbers: 104.21.2.161 and 172.67.129.96.

other host names including liaoyuxian.com, tsinder.com, ibrands.co.in, zepelfabrics.com.au and zhageng.cn share IP numbers with keydatascience.com.

Name Servers

keydatascience.com is delegated to two name servers bob.ns.cloudflare.com and kami.ns.cloudflare.com.

keydatascience.com shares the same name server setup as other domains, for instance southsix.com, dottormotta.it, cream-888.org, bulltech.it and bookofthefallenslot.nz.

keydatascience.com at least partially shares name servers with other domains, for instance portalclienteautomoveis.com, elitetitleloans.com, vinograd-kriulya.com, shelatbrothers.com and bestcookieseverspokane.com.

These name servers are commonly used alongside evan.ns.cloudflare.com and jean.ns.cloudflare.com.

Host names with six IP numbers:

Host name bob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b68, 2803:f800:50::6ca2:c168, 2a06:98c1:50::ac40:2168, 108.162.193.104, 172.64.33.104 and 173.245.59.104.

Host name kami.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab1, 2803:f800:50::6ca2:c0b1, 2a06:98c1:50::ac40:20b1, 108.162.192.177, 172.64.32.177 and 173.245.58.177.

Mail Servers

Two mail servers handle keydatascience.com: mxa.mailgun.org and mxb.mailgun.org.

keydatascience.com shares the same mail server setup as other domains, for instance saleads.co, levolution.info, flconservatives.com, eskinasy.com and arlingtonnatl.com.

keydatascience.com shares some mail servers with other domains, at least partially, for instance greetpool.com, mail.companiesintheuk.co.uk, kotatsu.club, versionone.vc and abracadabranyc.com.

Host names with a single IP:

mxa.mailgun.org points to 34.36.182.139.

mxb.mailgun.org points to 34.36.182.139.

Host names pointing to 34.36.182.139: mxa.mailgun.org and mxb.mailgun.org.

keydatascience.com - robtex.com