🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`practicalcomputing.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1e9a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ad33^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.154^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.51^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`addilyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26d9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`addilyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`addilyn.ns.cloudflare.com`
		A	108.162.194.217^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	162.159.38.217^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`addilyn.ns.cloudflare.com`
		A	172.64.34.217^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`otto.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c387^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`otto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2387^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`otto.ns.cloudflare.com`
		A	108.162.195.135^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	162.159.44.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	172.64.35.135^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2a00:1450:4013:c04::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`ef-in-f26.1e100.net`
			PTR	`ef-in-x1a.1e100.net`
		A	2a00:1450:4013:c04::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`ef-in-f27.1e100.net`
			PTR	`ef-in-x1b.1e100.net`
		A	2a00:1450:4013:c05::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`eg-in-f26.1e100.net`
			PTR	`eg-in-x1a.1e100.net`
		A	2a00:1450:4013:c1e::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	142.250.153.26^{🇺🇸 Google142.250.153.0/24}
			PTR	`ea-in-f26.1e100.net`
		A	142.250.153.27^{🇺🇸 Google142.250.153.0/24}
			PTR	`ea-in-f27.1e100.net`
		A	172.217.79.27^{🇺🇸 Google172.217.79.0/24}
			PTR	`yugrqvu-in-f27.1e100.net`
		A	192.178.156.26^{🇺🇸 Google192.178.156.0/24}
			PTR	`yugrqog-in-f26.1e100.net`
		A	192.178.156.27^{🇺🇸 Google192.178.156.0/24}
			PTR	`yugrqog-in-f27.1e100.net`
TXT	`google-site-verification=OO3DIrAftKLADLwamLET14tjFNEF-_fFPRmRLqMelLY`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.30.154, 172.67.173.51
		IPv6 hints	2606:4700:3030::6815:1e9a, 2606:4700:3036::ac43:ad33
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com
SOA	`addilyn.ns.cloudflare.com`dns@cloudflare.com serial=2415804568

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1794042763

Same first word

practicalcomputing.co.za

practicalcomputing.org.uk

practicalcomputing.info

practicalcomputing.org

practicalcomputing.com

practicalcomputing.biz

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSaddilyn.ns.cloudflare.com2026-09-12 → 2026-11-07 · 2 obs

● 2026-09-12 15:31:28
● 2026-11-07 09:54:46

●NSotto.ns.cloudflare.com2026-09-12 → 2026-11-07 · 2 obs

● 2026-09-12 15:31:28
● 2026-11-07 09:54:46

●MXsmtp.google.com2026-09-12 → 2026-11-07 · 2 obs

● 2026-09-12 15:31:28
● 2026-11-07 09:54:46

●A104.21.30.1542026-10-24 → 2026-11-07 · 2 obs

● 2026-10-24 10:19:44
● 2026-11-07 09:54:46

●A172.67.173.512026-10-24 → 2026-11-07 · 2 obs

● 2026-10-24 10:19:44
● 2026-11-07 09:54:46

●A2606:4700:3030::6815:1e9a2026-10-24 → 2026-11-07 · 2 obs

● 2026-10-24 10:19:44
● 2026-11-07 09:54:46

●A2606:4700:3036::ac43:ad332026-10-24 → 2026-11-07 · 2 obs

● 2026-10-24 10:19:44
● 2026-11-07 09:54:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
practicalcomputing.info	otto.ns.cloudflare.com, addilyn.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.217

NS records: otto.ns.cloudflare.com, addilyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for practicalcomputing.info (unsigned zone)

⏱️ Timing

Total: 1358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.173.51, 104.21.30.154`
AAAA	2	`2606:4700:3030::6815:1e9a, 2606:4700:3036::ac43:ad33`
NS	2	`addilyn.ns.cloudflare.com, otto.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=OO3DIrAftKLADLw, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`addilyn.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

practicalcomputing.info has four IP addresses: 104.21.30.154, 172.67.173.51, 2606:4700:3030::6815:1e9a and 2606:4700:3036::ac43:ad33.

total-casino-fr.com, itascasymp2016.com, networkprotectiongroup.com and two other host names share IP numbers with practicalcomputing.info.

Name Servers

practicalcomputing.info uses two name servers for its delegation: addilyn.ns.cloudflare.com and otto.ns.cloudflare.com.

practicalcomputing.info uses the same name servers as several other domains — among them allshadowtolight.com, karinaandcocreative.com, allcleaningprosplus.com and two more.

practicalcomputing.info has at least partial name server overlap with other domains, such as tapclickarena517.quest, rojucupag.pro, parkatcrestview.com and two others.

It is common to find these name servers paired with the name servers aldo.ns.cloudflare.com, jimmy.ns.cloudflare.com, arvind.ns.cloudflare.com and ivan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname addilyn.ns.cloudflare.com directs to 108.162.194.217, 162.159.38.217 and 172.64.34.217 along with 3 other IP addresses.

Hostname otto.ns.cloudflare.com directs to 108.162.195.135, 162.159.44.135 and 172.64.35.135 along with 3 other IP addresses.

Mail Servers

Mail for practicalcomputing.info is handled by a single mail server, smtp.google.com.

practicalcomputing.info uses an identical mail server configuration to several other domains — among them cyrenaicaacademy.com, netswickmetrics.info, org-ng.com and two more.

At least some of practicalcomputing.info's mail servers are shared with other domains, among them embalapapel.com.br, myfriendsync.co.uk, lauriekae.com and ponteahi.com.

smtp.google.com resolves to 9 IP addresses — 142.250.153.26, 142.250.153.27, 172.217.79.27 and 6 others.

practicalcomputing.info - robtex.com