learn-c.org - robtex.com

learn-c.org

DNSSEC⚠️ Not signed
A2606:4700:7::60🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2a06:98c1:58::60🇺🇸 Cloudflare2a06:98c1:58::/48
A162.159.140.98Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.66.0.96🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A192.241.245.44🇺🇸 DIGITALOCEAN192.241.240.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
TXTgoogle-site-verification=TQlHoIjJaSjIBo3yQR96_oeutJQy5D--nYfubcXFrIA
SOAns1.digitalocean.comhostmaster@learn-c.org serial=1705546017

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776057301
rank #296975 globally
rank #21587 in the tld
WOT: SAFE (74/100)
📈 Tranco rank: #674,668

Subdomains

www.learn-c.org

Same first word

learn-c.org
learn-c.net

Similar names

larc-en.ch
clean-r.com

DNS History

16 records (8 active, 8 former)

20162017201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comiris.ns.cloudflare.comwalt.ns.cloudflare.comMXmailstore1.secureserver.netsmtp.secureserver.netA162.159.140.98172.66.0.96192.241.245.442606:4700:7::602a06:98c1:58::60104.27.128.103104.27.129.1032400:cb00:2048:1::681b:80672400:cb00:2048:1::681b:8167
○NSiris.ns.cloudflare.com2015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
●NSns1.digitalocean.com2026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
●NSns2.digitalocean.com2026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
●NSns3.digitalocean.com2026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
○NSwalt.ns.cloudflare.com2015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
○MXmailstore1.secureserver.net2015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
○MXsmtp.secureserver.net2015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
○A104.27.128.1032015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
○A104.27.129.1032015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
●A162.159.140.982026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
●A172.66.0.962026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
●A192.241.245.442026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
○A2400:cb00:2048:1::681b:80672015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
○A2400:cb00:2048:1::681b:81672015-06-06 → 2016-09-10 · 4 obs
● 2015-06-06 19:46:32
● 2016-09-10 19:27:02
○ 2026-02-18 14:41:14
○ 2026-04-13 05:49:14
●A2606:4700:7::602026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14
●A2a06:98c1:58::602026-02-18 → 2026-04-13 · 3 obs
○ 2016-09-10 19:27:02
● 2026-02-18 14:41:14
● 2026-04-13 05:49:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
learn-c.orgns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com-

✅ Authoritative Response

Server:172.64.53.21

NS records: ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learn-c.org (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

TypeCountSample Data
A3162.159.140.98, 192.241.245.44...
AAAA22a06:98c1:58::60, 2606:4700:7::60
NS3ns2.digitalocean.com, ns1.digitalocean.com...
TXT1google-site-verification=TQlHoIjJaSjIBo3
SOA1ns1.digitalocean.com hostmaster.learn-c.

Analysis

Hierarchy

learn-c.org is the parent of www.learn-c.org.

IP Addresses

Five IP numbers are pointed to by learn-c.org: 2606:4700:7::60, 2a06:98c1:58::60, 162.159.140.98, 172.66.0.96 and 192.241.245.44.

Other host names including martincenturion.com, webapp-live-hntpr.ondigitalocean.app, charlestonwvpolice.org, isin-tip.com and bretrb.com share IP numbers with learn-c.org.

Name Servers

learn-c.org is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

learn-c.org at least partially shares name servers with other domains, including 128.59.139.in-addr.arpa, 1.0.0.0.e.b.7.1.0.0.0.0.0.0.0.0.0.d.0.0.0.0.4.0.0.8.8.a.4.0.6.2.ip6.arpa, matdeco.be, xibo-adspace.com and lom.ch.

Host names with two IP numbers:

ns1.digitalocean.com points to: 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com points to: 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com points to: 2606:4700:52::ac40:31d1 and 172.64.49.209