transferlearning.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`transferlearning.dev`

DNSSEC	⚠️ Not signed
A	96.126.98.11^{🇺🇸 AKAMAI-LINODE-AP96.126.96.0/21 Akamai Technologies}
		PTR	`vps409.opalstack.com`
NS	`ns1.de.opalstack.com` ⭐
		A	139.162.174.250^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`ns1.de.opalstack.com`
NS	`ns1.sg.opalstack.com` ⚠️ Not in zone NS records
		A	172.104.188.200^{🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies}
			PTR	`ns1.sg.opalstack.com`
NS	`ns1.us.opalstack.com` ⚠️ Not in zone NS records
		A	45.79.107.55^{🇺🇸 AKAMAI-LINODE-AP45.79.96.0/20 Akamai Technologies}
			PTR	`ns1.us.opalstack.com`
NS	`ns2.de.opalstack.com`
		A	139.162.223.59^{🇬🇧 AKAMAI-LINODE-AP139.162.192.0/19 Akamai Technologies}
			PTR	`ns2.de.opalstack.com`
NS	`ns2.sg.opalstack.com` ⚠️ Not in zone NS records
		A	172.104.121.212^{🇯🇵 AKAMAI-LINODE-AP172.104.96.0/19 Akamai Technologies}
			PTR	`li1731-212.members.linode.com`
NS	`ns2.us.opalstack.com` ⚠️ Not in zone NS records
		A	23.92.21.232^{🇺🇸 AKAMAI-LINODE-AP23.92.16.0/21 Akamai Technologies}
			PTR	`ns2.us.opalstack.com`
NS	`ns3.de.opalstack.com`
		A	139.162.190.189^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`ns3.de.opalstack.com`
NS	`ns3.sg.opalstack.com` ⚠️ Not in zone NS records
		A	139.162.33.52^{🇸🇬 AKAMAI-LINODE-AP139.162.32.0/19 Akamai Technologies}
			PTR	`ns3.sg.opalstack.com`
NS	`ns3.us.opalstack.com` ⚠️ Not in zone NS records
		A	45.56.74.5^{🇺🇸 AKAMAI-LINODE-AP45.56.64.0/20 Akamai Technologies}
			PTR	`ns3.us.opalstack.com`
MX	`mx1.us.opalstack.com` ⭐
		A	108.62.123.121^{🇺🇸 LEASEWEB-US108.62.120.0/22 Leaseweb USA, Inc.}
			PTR	`mx1.us.opalstack.com`
MX	`mx2.us.opalstack.com` ⭐
		A	2605:fe80:2100:bf03:7::2^{🇺🇸 AS72032605:fe80::/32 Leaseweb USA, Inc. SFO-12 US}
			PTR	`mx2.us.opalstack.com`
		A	23.82.16.244^{🇺🇸 AS720323.82.16.0/21 Leaseweb USA, Inc.}
			PTR	`mx2.us.opalstack.com`
TXT	`v=spf1 include:spf.opalstack.com ~all`
SOA	`ns1.de.opalstack.com`hostmaster@transferlearning.dev 2026-08-29 #6

`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

transferlearning.ai

transferlearning.pl

transferlearning.dev

transferlearning.de

transferlearning.co

transferlearning.tech

transferlearning.sbs

Similar names

learningtransfer.com

learningtransfer.co.uk

Previous names

Next names

DNS History

14 records (12 active, 2 former)

●NSns1.de.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns1.sg.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns1.us.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns2.de.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns2.sg.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns2.us.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns3.de.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns3.sg.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

●NSns3.us.opalstack.com2026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

○MXmx1.de.opalstack.com2026-09-06 → 2026-09-06 · 4 obs

○ 2026-09-06 02:48:42
● 2026-09-06 10:28:46
○ 2026-09-07 11:56:08
○ 2026-09-08 06:43:04

●MXmx1.us.opalstack.com2026-09-06 → 2026-09-08 · 4 obs

● 2026-09-06 02:48:42
○ 2026-09-06 10:28:46
● 2026-09-07 11:56:08
● 2026-09-08 06:43:04

○MXmx2.de.opalstack.com2026-09-06 → 2026-09-06 · 4 obs

○ 2026-09-06 02:48:42
● 2026-09-06 10:28:46
○ 2026-09-07 11:56:08
○ 2026-09-08 06:43:04

●MXmx2.us.opalstack.com2026-09-06 → 2026-09-08 · 4 obs

● 2026-09-06 02:48:42
○ 2026-09-06 10:28:46
● 2026-09-07 11:56:08
● 2026-09-08 06:43:04

●A96.126.98.112026-09-06 → 2026-09-08 · 2 obs

● 2026-09-06 02:48:42
● 2026-09-08 06:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
transferlearning.dev	ns2.de.opalstack.com, ns3.us.opalstack.com, ns2.us.opalstack.com, ns2.sg.opalstack.com...	-

✅ Authoritative Response

Server:172.104.121.212

NS records: ns2.de.opalstack.com, ns3.us.opalstack.com, ns2.us.opalstack.com, ns2.sg.opalstack.com, ns1.de.opalstack.com, ns3.de.opalstack.com, ns1.us.opalstack.com, ns1.sg.opalstack.com, ns3.sg.opalstack.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for transferlearning.dev (unsigned zone)

⏱️ Timing

Total: 2600ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`96.126.98.11`
NS	3	`ns1.de.opalstack.com, ns2.de.opalstack.com...`
MX	2	`mx2.us.opalstack.com (pri: 10), mx1.us.opalstack.com (pri: 10)`
TXT	1	`v=spf1 include:spf.opalstack.com ~all`
SOA	1	`ns1.sg.opalstack.com hostmaster.transfer`

Analysis

IP Addresses

transferlearning.dev points to a single IP number: 96.126.98.11.

Additional host names — situate.app, dragonxi.net, personalrobot.dev and two others — share IP numbers with transferlearning.dev.

Name Servers

transferlearning.dev carries NS records listing 9 name servers — ns1.de.opalstack.com, ns2.de.opalstack.com, ns3.de.opalstack.com and 6 others.

transferlearning.dev partially shares its NS delegation with several other domains, including tqin.org, tarheelreclaimed.com, wernerbros.com and two others.

In DNS configurations, these name servers often share authority with ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com and 3 other name servers.

Host names pointing to a single IP address:

ns1.de.opalstack.com resolves to the IP address 139.162.174.250.

ns2.de.opalstack.com resolves to the IP address 139.162.223.59.

ns3.de.opalstack.com resolves to the IP address 139.162.190.189.

ns1.sg.opalstack.com resolves to the IP address 172.104.188.200.

ns2.sg.opalstack.com resolves to the IP address 172.104.121.212.

ns3.sg.opalstack.com resolves to the IP address 139.162.33.52.

ns1.us.opalstack.com resolves to the IP address 45.79.107.55.

ns2.us.opalstack.com resolves to the IP address 23.92.21.232.

ns3.us.opalstack.com resolves to the IP address 45.56.74.5.

Mail Servers

transferlearning.dev has two mail servers: mx1.us.opalstack.com and mx2.us.opalstack.com.

transferlearning.dev shares the same mail server setup as other domains, including bssb.ca, elilz.com, campuschurch.org.nz and two others.

transferlearning.dev partially shares its mail servers with other domains; known examples include writetosmite.com, calculatorsource.com and onlinedigital.com.ar.

Host names with two IP numbers:

The A records for mx2.us.opalstack.com return 23.82.16.244 and 2605:fe80:2100:bf03:7::2.

Host names pointing to a single IP address:

mx1.us.opalstack.com resolves to the IP address 108.62.123.121.