learningtheory.org - robtex.com
learningtheory.org
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.infohostmaster@donuts.email serial=1771291736 | ||||||
rank #40553 in the tld
WOT: SAFE (60/100)
Same first word
learningtheory.ru |
learningtheory.org |
DNS History
19 records (6 active, 13 former)
○NSdns130.a.register.com2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○NSdns137.b.register.com2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○NSdns244.c.register.com2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○NSdns249.d.register.com2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
●NSns1.digitalocean.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 17:27:14
● 2026-02-23 19:28:44
●NSns2.digitalocean.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 17:27:14
● 2026-02-23 19:28:44
●NSns3.digitalocean.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 17:27:14
● 2026-02-23 19:28:44
○MXmail2.siteamerica.com2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○MXrelay1.exodus.net2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○MXrelay2.exodus.net2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○MXrelay3.exodus.net2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○MXrelay4.exodus.net2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○MXrelay5.exodus.net2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
○MXrelay6.exodus.net2008-01-05 → 2017-02-11 · 4 obs
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
●MXsmtp.google.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 17:27:14
● 2026-02-23 19:28:44
○A132.239.95.2312008-01-05 → 2008-01-05 · 3 obs
○ 2015-06-16 05:56:40
○ 2026-02-23 19:28:44
●A157.230.202.1862026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 17:27:14
● 2026-02-23 19:28:44
●A2604:a880:400:d1::bb94:70012026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 17:27:14
● 2026-02-23 19:28:44
○A45.33.59.2052015-06-16 → 2017-02-11 · 5 obs
● 2015-06-16 05:56:40
● 2017-02-11 04:07:18
○ 2026-02-23 17:27:14
○ 2026-02-23 19:28:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| learningtheory.org | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server: 172.64.53.21
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learningtheory.org (unsigned zone)
⏱️ Timing
Total: 367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.230.202.186 |
| AAAA | 1 | 2604:a880:400:d1::bb94:7001 |
| NS | 3 | ns3.digitalocean.com, ns2.digitalocean.com... |
| MX | 1 | smtp.google.com (pri: 1) |
| SOA | 1 | ns1.digitalocean.com hostmaster.learning |
AI analysis
learningtheory.org points to two IP numbers: 2604:a880:400:d1::bb94:7001 and 157.230.202.186.
Other host names, for instance machinelearning.nyc, share IP numbers with learningtheory.org.
learningtheory.org is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
learningtheory.org at least partially shares name servers with other domains, for example candylandcasinos.com, wildfishlake.com.ua, namt.org, tigran.io and edupat.com.
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
The smtp.google.com mail server handles learningtheory.org.
learningtheory.org shares the same mail server setup as other domains, including ozkanlegal.com, sue.cz, roboplus.co.jp, av.center and gocthucte.com.
learningtheory.org shares at least partially some mail servers with other domains, for instance possumranger.com.au, centurypartners.com, tusw.ac.th, blackriver.coop and graceview.ai.
These mail servers commonly pair with alt3.aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.
The host name smtp.google.com maps to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.