ubi-learn.com - robtex.com

ubi-learn.com

DNSSEC⚠️ Not signed
A3.214.72.151🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-214-72-151.compute-1.amazonaws.com
A3.232.234.183🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
A13.219.122.175🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A52.204.152.145🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
A54.80.254.136🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix
A54.164.225.65🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix
NSns-1426.awsdns-50.org ⭐
A2600:9000:5305:9200::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1426.awsdns-50.org
A205.251.197.146🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1426.awsdns-50.org
NSns-106.awsdns-13.com
A2600:9000:5300:6a00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-106.awsdns-13.com
A205.251.192.106🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-106.awsdns-13.com
NSns-1666.awsdns-16.co.uk
A2600:9000:5306:8200::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1666.awsdns-16.co.uk
A205.251.198.130🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1666.awsdns-16.co.uk
NSns-689.awsdns-22.net
A2600:9000:5302:b100::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-689.awsdns-22.net
A205.251.194.177🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-689.awsdns-22.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXTv=spf1 a mx ip4:66.35.39.233 ip4:74.93.83.6 ip4:173.161.28.73 include:ne16.co...
SOAns-1426.awsdns-50.orgawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
WOT: UNKNOWN (50/100)

Subdomains

2009.ubi-learn.com

Same first word

ubi-learn.com

DNS History

31 records (15 active, 16 former)

20162017201820192020202120222023202420252026NSns-106.awsdns-13.comns-1426.awsdns-50.orgns-1666.awsdns-16.co.ukns-689.awsdns-22.netns3.vpsplayground.netns4.vpsplayground.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comcommonground.railsplayground.netA13.219.122.1753.214.72.1513.232.234.18352.204.152.14554.164.225.6554.80.254.136100.25.177.5100.52.5.243107.23.91.3118.235.113.8934.192.114.6734.238.9.15335.174.188.22544.198.8.22752.0.37.22254.88.174.2674.93.83.1274.93.83.598.94.242.8
●NSns-106.awsdns-13.com2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●NSns-1426.awsdns-50.org2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●NSns-1666.awsdns-16.co.uk2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●NSns-689.awsdns-22.net2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
○NSns3.vpsplayground.net2015-06-06 → 2017-07-24 · 4 obs
● 2015-06-06 00:43:58
● 2017-07-24 03:22:58
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
○NSns4.vpsplayground.net2015-06-06 → 2017-07-24 · 4 obs
● 2015-06-06 00:43:58
● 2017-07-24 03:22:58
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
●MXalt1.aspmx.l.google.com2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●MXalt2.aspmx.l.google.com2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●MXaspmx.l.google.com2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●MXaspmx2.googlemail.com2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
●MXaspmx3.googlemail.com2026-02-16 → 2026-03-10 · 3 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-10 06:07:22
○MXcommonground.railsplayground.net2015-06-06 → 2017-07-24 · 4 obs
● 2015-06-06 00:43:58
● 2017-07-24 03:22:58
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
○A100.25.177.52026-02-16 → 2026-03-01 · 5 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-01 05:38:28
○ 2026-03-02 06:09:14
○ 2026-03-10 06:07:22
○A100.52.5.2432026-02-16 → 2026-02-19 · 5 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-02-19 16:50:50
○ 2026-02-26 14:36:50
○ 2026-03-10 06:07:22
○A107.23.91.312026-02-16 → 2026-03-02 · 5 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-02 06:09:14
○ 2026-03-06 01:33:14
○ 2026-03-10 06:07:22
●A13.219.122.1752026-03-01 → 2026-03-10 · 3 obs
○ 2026-02-26 14:36:50
● 2026-03-01 05:38:28
● 2026-03-10 06:07:22
○A18.235.113.892026-02-16 → 2026-02-19 · 5 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-02-19 16:50:50
○ 2026-02-26 14:36:50
○ 2026-03-10 06:07:22
●A3.214.72.1512026-03-02 → 2026-03-10 · 3 obs
○ 2026-03-01 05:38:28
● 2026-03-02 06:09:14
● 2026-03-10 06:07:22
●A3.232.234.1832026-03-06 → 2026-03-10 · 3 obs
○ 2026-03-02 06:09:14
● 2026-03-06 01:33:14
● 2026-03-10 06:07:22
○A34.192.114.672026-02-26 → 2026-02-26 · 4 obs
○ 2026-02-19 16:50:50
● 2026-02-26 14:36:50
○ 2026-03-01 05:38:28
○ 2026-03-10 06:07:22
○A34.238.9.1532026-02-16 → 2026-02-19 · 5 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-02-19 16:50:50
○ 2026-02-26 14:36:50
○ 2026-03-10 06:07:22
○A35.174.188.2252026-02-16 → 2026-03-02 · 5 obs
○ 2017-07-24 03:22:58
● 2026-02-16 22:25:22
● 2026-03-02 06:09:14
○ 2026-03-06 01:33:14
○ 2026-03-10 06:07:22
○A44.198.8.2272026-02-16 → 2026-03-10 · 2 obs
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
○A52.0.37.2222026-02-16 → 2026-03-10 · 2 obs
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
●A52.204.152.1452026-03-01 → 2026-03-10 · 3 obs
○ 2026-02-26 14:36:50
● 2026-03-01 05:38:28
● 2026-03-10 06:07:22
●A54.164.225.652026-02-26 → 2026-03-10 · 3 obs
○ 2026-02-19 16:50:50
● 2026-02-26 14:36:50
● 2026-03-10 06:07:22
●A54.80.254.1362026-03-06 → 2026-03-10 · 3 obs
○ 2026-03-02 06:09:14
● 2026-03-06 01:33:14
● 2026-03-10 06:07:22
○A54.88.174.262026-02-16 → 2026-03-10 · 2 obs
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
○A74.93.83.122015-06-06 → 2016-01-23 · 4 obs
● 2015-06-06 00:43:58
● 2016-01-23 10:16:04
○ 2016-04-20 05:05:26
○ 2026-03-10 06:07:22
○A74.93.83.52016-04-20 → 2017-07-24 · 5 obs
○ 2016-01-23 10:16:04
● 2016-04-20 05:05:26
● 2017-07-24 03:22:58
○ 2026-02-16 22:25:22
○ 2026-03-10 06:07:22
○A98.94.242.82026-02-26 → 2026-02-26 · 4 obs
○ 2026-02-19 16:50:50
● 2026-02-26 14:36:50
○ 2026-03-01 05:38:28
○ 2026-03-10 06:07:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
ubi-learn.comns-106.awsdns-13.com, ns-689.awsdns-22.net, ns-1666.awsdns-16.co.uk, ns-1426.awsdns-50.org1 record

✅ Authoritative Response

Server: 205.251.192.106

NS records: ns-106.awsdns-13.com, ns-689.awsdns-22.net, ns-1666.awsdns-16.co.uk, ns-1426.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ubi-learn.com (unsigned zone)

⏱️ Timing

Total: 688ms | Queries: -

📄 Records

TypeCountSample Data
A63.232.234.183, 54.80.254.136...
NS4ns-106.awsdns-13.com, ns-1426.awsdns-50.org...
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT1v=spf1 a mx ip4:66.35.39.233 ip4:74.93.8
SOA1ns-1426.awsdns-50.org awsdns-hostmaster.

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-106.awsdns-13.com)

Analysis

Hierarchy

ubi-learn.com is a parent of 2009.ubi-learn.com.

IP Addresses

ubi-learn.com resolves to six IP numbers: 3.214.72.151, 3.232.234.183, 13.219.122.175, 52.204.152.145, 54.80.254.136 and 54.164.225.65.

Other host names such as onsustainability.com, techandsoc.com, on-climate.com, thesocialsciences.com and cgnetworks.org share IP numbers with ubi-learn.com.

Name Servers

ubi-learn.com is delegated to four name servers: ns-106.awsdns-13.com, ns-689.awsdns-22.net, ns-1426.awsdns-50.org and ns-1666.awsdns-16.co.uk.

At least part of the name servers for ubi-learn.com are shared with other domains, for instance ratebase.com, ungoro.com, floridatickets.org, alist.fans and vue-cctv.co.uk.

these name servers are commonly used with ns-852.awsdns-42.net, ns-1129.awsdns-13.org, ns-2042.awsdns-63.co.uk, ns-1446.awsdns-52.org and ns-476.awsdns-59.com.

Host names with two IP numbers:

ns-106.awsdns-13.com points to: 2600:9000:5300:6a00::1 and 205.251.192.106

ns-689.awsdns-22.net points to: 2600:9000:5302:b100::1 and 205.251.194.177

ns-1426.awsdns-50.org points to: 2600:9000:5305:9200::1 and 205.251.197.146

ns-1666.awsdns-16.co.uk points to: 2600:9000:5306:8200::1 and 205.251.198.130

Mail Servers

ubi-learn.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

ubi-learn.com shares at least some mail servers with other domains, for example ns500794.ns500794.ns500821.ns500841.ns500841.ns500794.ns500795.ns500794.ns500794.ns500821.ns500795.ns500794.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, pandas.io, ns500698.ns500758.ns500759.ns500698.ns500735.ns500736.ns500736.ns500736.ns500736.ns500698.ns500698.ns500698.ns500708.ns500576.ns500576.ns500619.ns500576.trackreceptor.com, ns500754.ns500754.ns500742.ns500731.ns500754.ns500742.ns500704.ns500704.ns500291.ns500671.ns500666.lustychickser.com and ns500699.ns500734.ns500734.ns500693.ns500699.ns500699.ns500693.ns500693.ns500693.ns500699.ns500588.ns500693.dtrkdll.com.

These mail servers are commonly used alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.27.

aspmx3.googlemail.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.27.

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.

Names pointing to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Names pointing to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com.