🛡️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` ⭐ ⚠️ Not in zone NS records
		A	139.162.174.250^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`ns1.de.opalstack.com`
NS	`ns1.sg.opalstack.com`
		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` ⚠️ Not in zone NS records
		A	139.162.223.59^{🇬🇧 AKAMAI-LINODE-AP139.162.192.0/19 Akamai Technologies}
			PTR	`ns2.de.opalstack.com`
NS	`ns2.sg.opalstack.com`
		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` ⚠️ Not in zone NS records
		A	139.162.190.189^{🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies}
			PTR	`ns3.de.opalstack.com`
NS	`ns3.sg.opalstack.com`
		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 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

○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 01:44:10

●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 01:44:10

○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 01:44:10

●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 01:44:10

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

● 2026-09-06 02:48:42
● 2026-09-08 01:44:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
transferlearning.dev	ns3.us.opalstack.com, ns2.de.opalstack.com, ns1.de.opalstack.com, ns3.sg.opalstack.com...	-

✅ Authoritative Response

Server:172.104.188.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for transferlearning.dev (unsigned zone)

⏱️ Timing

Total: 1207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`96.126.98.11`
NS	3	`ns1.us.opalstack.com, ns2.us.opalstack.com...`
MX	2	`mx2.de.opalstack.com (pri: 10), mx1.de.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 directs to one IP number, which is 96.126.98.11.

Among the host names that share IP numbers with transferlearning.dev are situate.app, dragonxi.net, personalrobot.dev and two others.

Name Servers

transferlearning.dev is served by 9 authoritative name servers — among them ns1.de.opalstack.com, ns2.de.opalstack.com, ns3.de.opalstack.com and 6 others.

transferlearning.dev has at least partial name server overlap with other domains, such as tqin.org, tarheelreclaimed.com, wernerbros.com and two others.

ns1.us.opalstack.com, ns2.us.opalstack.com and ns3.us.opalstack.com — plus 3 other name servers — are commonly paired with these name servers.

Hosts that resolve to one IP address:

The hostname ns1.de.opalstack.com resolves to 139.162.174.250.

The hostname ns2.de.opalstack.com resolves to 139.162.223.59.

The hostname ns3.de.opalstack.com resolves to 139.162.190.189.

The hostname ns1.sg.opalstack.com resolves to 172.104.188.200.

The hostname ns2.sg.opalstack.com resolves to 172.104.121.212.

The hostname ns3.sg.opalstack.com resolves to 139.162.33.52.

The hostname ns1.us.opalstack.com resolves to 45.79.107.55.

The hostname ns2.us.opalstack.com resolves to 23.92.21.232.

The hostname ns3.us.opalstack.com resolves to 45.56.74.5.

Mail Servers

The MX records for transferlearning.dev point to two mail servers: mx1.us.opalstack.com and mx2.us.opalstack.com.

transferlearning.dev has the same mail server arrangement as a number of other domains, for example bssb.ca, elilz.com, campuschurch.org.nz and two more.

transferlearning.dev uses mail servers that are also used by other domains, including writetosmite.com, calculatorsource.com and onlinedigital.com.ar.

Hosts with two IP numbers each:

mx2.us.opalstack.com resolves to two addresses: 23.82.16.244 and 2605:fe80:2100:bf03:7::2.

Hosts that resolve to one IP address:

The hostname mx1.us.opalstack.com resolves to 108.62.123.121.

transferlearning.dev - robtex.com