mail.letslearning.com - robtex.com

mail.letslearning.com

CNAMEtraff-https.hugedomains.com
CNAMEhdl-prd-https-0699149ba9be518e.elb.us-east-1.amazonaws.com
DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix

letslearning.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
NSnsg1.namebrightdns.com
NSnsg2.namebrightdns.com
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
TXTv=spf1 -all
SOAns1.namebrightdns.comdns@namebright.com 2026-08-03 #1

Previously MX for

letslearning.com

Same first word

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DNS History

10 records (7 active, 3 former)

200920112013201520172019202120232025NSnsg1.namebrightdns.comnsg2.namebrightdns.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.197185.13.254.16262.67.235.10393.95.218.218CNAMEtraff-https.hugedomains.com
●NSnsg1.namebrightdns.com2026-08-01 → 2026-08-03 · 2 obs
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38
●NSnsg2.namebrightdns.com2026-08-01 → 2026-08-03 · 2 obs
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38
●A13.223.25.842026-08-01 → 2026-08-03 · 3 obs
○ 2016-12-23 20:55:00
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38
○A185.13.254.1622016-12-23 → 2016-12-23 · 4 obs
○ 2016-04-16 23:10:30
● 2016-12-23 20:55:00
○ 2026-08-01 06:36:22
○ 2026-08-03 09:47:38
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-08-01 → 2026-08-03 · 3 obs
○ 2016-12-23 20:55:00
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-08-01 → 2026-08-03 · 3 obs
○ 2016-12-23 20:55:00
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38
●A54.243.117.1972026-08-01 → 2026-08-03 · 3 obs
○ 2016-12-23 20:55:00
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38
○A62.67.235.1032008-03-17 → 2008-03-17 · 3 obs
● 2008-03-17 09:05:22
○ 2015-11-11 19:27:18
○ 2026-08-03 09:47:38
○A93.95.218.2182016-01-27 → 2016-04-16 · 5 obs
○ 2015-11-11 19:27:18
● 2016-01-27 15:34:16
● 2016-04-16 23:10:30
○ 2016-12-23 20:55:00
○ 2026-08-03 09:47:38
●CNAMEtraff-https.hugedomains.com2026-08-01 → 2026-08-03 · 2 obs
● 2026-08-01 06:36:22
● 2026-08-03 09:47:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...-
letslearning.comnsg1.namebrightdns.com, nsg2.namebrightdns.com12 records

✅ Authoritative Response

Server:13.217.95.24

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letslearning.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

TypeCountSample Data
A213.223.25.84, 54.243.117.197
AAAA22600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee
NS2nsg2.namebrightdns.com, nsg1.namebrightdns.com
CNAME1traff-https.hugedomains.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

mail.letslearning.com points to the four IP addresses 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

real-state.com, www.3gnews.52n.cn.whoisbucket.com, ns1.evermol.com and two other host names share IP numbers with mail.letslearning.com.