`ottolearn.dev`

DNSSEC	⚠️ Not signed
A	2600:9000:2479:1800:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:1e00:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:4a00:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:9c00:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:a800:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:b800:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:d000:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	2600:9000:2479:e000:10:54c:c7c0:93a1^{🇺🇸 Amazon}
A	3.162.125.13^{🇺🇸 Amazon}
A	3.162.125.97^{🇺🇸 Amazon}
A	3.162.125.102^{🇺🇸 Amazon}
A	3.162.125.128^{🇺🇸 Amazon}
NS	`ns-1403.awsdns-47.org` ⭐
		A	2600:9000:5305:7b00::1^{🇺🇸 Amazon}
			PTR	`ns-1403.awsdns-47.org`
		A	205.251.197.123^{🇺🇸 Amazon}
			PTR	`ns-1403.awsdns-47.org`
NS	`ns-1848.awsdns-39.co.uk`
		A	2600:9000:5307:3800::1^{🇺🇸 Amazon}
			PTR	`ns-1848.awsdns-39.co.uk`
		A	205.251.199.56^{🇺🇸 Amazon}
			PTR	`ns-1848.awsdns-39.co.uk`
NS	`ns-260.awsdns-32.com`
		A	2600:9000:5301:400::1^{🇺🇸 Amazon}
			PTR	`ns-260.awsdns-32.com`
		A	205.251.193.4^{🇺🇸 Amazon}
			PTR	`ns-260.awsdns-32.com`
NS	`ns-738.awsdns-28.net`
		A	2600:9000:5302:e200::1^{🇺🇸 Amazon}
			PTR	`ns-738.awsdns-28.net`
		A	205.251.194.226^{🇺🇸 Amazon}
			PTR	`ns-738.awsdns-28.net`
SOA	`ns-1403.awsdns-47.org`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

ottolearn.io

ottolearn.dev

ottolearn.com

Similar names

DNS History

37 records (16 active, 21 former)

●NSns-1403.awsdns-47.org2026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

●NSns-1848.awsdns-39.co.uk2026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

●NSns-260.awsdns-32.com2026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

●NSns-738.awsdns-28.net2026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

○A2600:9000:2479:1000:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

○A2600:9000:2479:1200:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

●A2600:9000:2479:1800:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

●A2600:9000:2479:1e00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

○A2600:9000:2479:2200:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

○A2600:9000:2479:2800:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

○A2600:9000:2479:3000:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

○A2600:9000:2479:3c00:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

○A2600:9000:2479:4800:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

●A2600:9000:2479:4a00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
● 2026-02-22 14:53:52

○A2600:9000:2479:5200:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

○A2600:9000:2479:5a00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

○A2600:9000:2479:5e00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

○A2600:9000:2479:6000:10:54c:c7c0:93a12026-02-21 → 2026-02-22 · 4 obs

● 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

○A2600:9000:2479:6200:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

○A2600:9000:2479:6c00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

○A2600:9000:2479:7000:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

●A2600:9000:2479:9c00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

○A2600:9000:2479:a000:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

●A2600:9000:2479:a800:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

○A2600:9000:2479:b000:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

●A2600:9000:2479:b800:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

○A2600:9000:2479:be00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

○A2600:9000:2479:ce00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

●A2600:9000:2479:d000:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 5 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

○A2600:9000:2479:dc00:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-21 23:52:00
● 2026-02-22 04:48:48
○ 2026-02-22 12:46:24
○ 2026-02-22 14:53:52

●A2600:9000:2479:e000:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 3 obs

○ 2026-02-22 12:46:24
● 2026-02-22 14:53:46
● 2026-02-22 14:53:52

○A2600:9000:2479:e600:10:54c:c7c0:93a12026-02-22 → 2026-02-22 · 4 obs

○ 2026-02-22 04:48:48
● 2026-02-22 12:46:24
○ 2026-02-22 14:53:46
○ 2026-02-22 14:53:52

○A2600:9000:2479:fc00:10:54c:c7c0:93a12026-02-21 → 2026-02-21 · 3 obs

● 2026-02-21 23:52:00
○ 2026-02-22 04:48:48
○ 2026-02-22 14:53:52

●A3.162.125.1022026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

●A3.162.125.1282026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

●A3.162.125.132026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

●A3.162.125.972026-02-21 → 2026-02-22 · 2 obs

● 2026-02-21 23:52:00
● 2026-02-22 14:53:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
ottolearn.dev	ns-260.awsdns-32.com, ns-1403.awsdns-47.org, ns-1848.awsdns-39.co.uk, ns-738.awsdns-28.net	-

✅ Authoritative Response

Server: 205.251.193.4

NS records: ns-260.awsdns-32.com, ns-1403.awsdns-47.org, ns-1848.awsdns-39.co.uk, ns-738.awsdns-28.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ottolearn.dev (unsigned zone)

⏱️ Timing

Total: 2597ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.125.128, 3.162.125.13...`
AAAA	8	`2600:9000:2479:5600:10:54c:c7c0:93a1, 2600:9000:2479:7c00:10:54c:c7c0:93a1...`
NS	4	`ns-1403.awsdns-47.org, ns-1848.awsdns-39.co.uk...`
SOA	1	`ns-1403.awsdns-47.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

AI analysis

ottolearn.dev points to twelve IP numbers: 2600:9000:2479:1800:10:54c:c7c0:93a1, 2600:9000:2479:1e00:10:54c:c7c0:93a1, 2600:9000:2479:4a00:10:54c:c7c0:93a1, 2600:9000:2479:9c00:10:54c:c7c0:93a1, 2600:9000:2479:a800:10:54c:c7c0:93a1, 2600:9000:2479:b800:10:54c:c7c0:93a1, 2600:9000:2479:d000:10:54c:c7c0:93a1, 2600:9000:2479:e000:10:54c:c7c0:93a1, 3.162.125.13, 3.162.125.97, 3.162.125.102 and 3.162.125.128.

For instance, other host names cdn.mobilevikings.be, 01770office.mobilevikings.be, 567453.com, d1tqjyu60j6ed8.cloudfront.net and d313085084wtx9.cloudfront.net share IP numbers with ottolearn.dev.

ottolearn.dev is delegated to four name servers: ns-260.awsdns-32.com, ns-738.awsdns-28.net, ns-1403.awsdns-47.org and ns-1848.awsdns-39.co.uk.

ottolearn.dev shares name servers with other domains at least partially, for example smarttrain.com.au, kindredfuneralhome.com, rgsfitness.com, mightyriver.co.nz and mgn1.email.

These name servers are commonly used with ns-635.awsdns-15.net, ns-1113.awsdns-11.org and ns-1963.awsdns-53.co.uk.

Host names with two IP numbers:

ns-260.awsdns-32.com points to: 2600:9000:5301:400::1 and 205.251.193.4

ns-738.awsdns-28.net points to: 2600:9000:5302:e200::1 and 205.251.194.226

ns-1403.awsdns-47.org points to: 2600:9000:5305:7b00::1 and 205.251.197.123

ns-1848.awsdns-39.co.uk points to: 2600:9000:5307:3800::1 and 205.251.199.56

ottolearn.dev - robtex.com

ottolearn.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`ottolearn.dev`

`dev`