`expertcollege.de`

DNSSEC	🔒 Signed (DS record present)
A	178.62.248.106^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
		PTR	`95172.cloudwaysapps.com`
NS	`ns0.transip.net` ⭐
		A	2a01:7c8:dddd:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns0.transip.net`
		A	195.135.195.195^{🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.}
			PTR	`ns0.transip.net`
NS	`ns1.transip.nl`
		A	2a01:7c8:7000:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns1.transip.nl`
		A	195.8.195.195^{🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.}
			PTR	`ns1.transip.nl`
NS	`ns2.transip.eu`
		A	2a01:7c8:f:c1f::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns2.transip.eu`
		A	37.97.199.195^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`ns2.transip.eu`
MX	`expertcollege-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms25107726`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns0.transip.net`hostmaster@transip.nl 2022-12-23 #1

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1786532035

Previously MX for

expertcollege.de

Same first word

expertcollege.de

Similar names

collegeexpert.net

DNS History

8 records (5 active, 3 former)

●NSns0.transip.net2015-08-03 → 2026-08-12 · 2 obs

● 2015-08-03 13:20:46
● 2026-08-12 10:54:44

●NSns1.transip.nl2015-08-03 → 2026-08-12 · 2 obs

● 2015-08-03 13:20:46
● 2026-08-12 10:54:44

●NSns2.transip.eu2015-08-03 → 2026-08-12 · 2 obs

● 2015-08-03 13:20:46
● 2026-08-12 10:54:44

●MXexpertcollege-de.mail.protection.outlook.com2026-04-14 → 2026-08-12 · 3 obs

○ 2017-03-31 00:23:36
● 2026-04-14 14:34:28
● 2026-08-12 10:54:44

○MXexpertcollege.de2015-08-03 → 2017-03-31 · 4 obs

● 2015-08-03 13:20:46
● 2017-03-31 00:23:36
○ 2026-04-14 14:34:28
○ 2026-08-12 10:54:44

○MXrelay.transip.nl2015-08-03 → 2017-03-31 · 4 obs

● 2015-08-03 13:20:46
● 2017-03-31 00:23:36
○ 2026-04-14 14:34:28
○ 2026-08-12 10:54:44

●A178.62.248.1062026-04-14 → 2026-08-12 · 3 obs

○ 2017-03-31 00:23:36
● 2026-04-14 14:34:28
● 2026-08-12 10:54:44

○A70.34.40.742015-08-03 → 2017-03-31 · 4 obs

● 2015-08-03 13:20:46
● 2017-03-31 00:23:36
○ 2026-04-14 14:34:28
○ 2026-08-12 10:54:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
expertcollege.de	ns1.transip.nl, ns2.transip.eu, ns0.transip.net	-

✅ Authoritative Response

Server:37.97.199.195

NS records: ns1.transip.nl, ns2.transip.eu, ns0.transip.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1107ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.62.248.106`
NS	3	`ns1.transip.nl, ns2.transip.eu...`
MX	1	`expertcollege-de.mail.protection.outlook`
TXT	2	`MS=ms25107726, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns0.transip.net hostmaster.transip.nl`

Analysis

IP Addresses

expertcollege.de resolves to one IP address: 178.62.248.106.

abcdevoorartsen.nl, medical-elearning.com, anatomy-physiology.net and two other host names share IP numbers with expertcollege.de.

Name Servers

DNS for expertcollege.de is handled by three authoritative name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

expertcollege.de partially shares its NS delegation with several other domains, including greatplacetolive.info, sente.nl, henkjanvanhenten.com and two others.

Three hostnames — ns2.transip.eu, ns0.transip.net and ns1.transip.nl — each have two IP addresses: ns2.transip.eu has 37.97.199.195 and 2a01:7c8:f:c1f::195, ns0.transip.net has 195.135.195.195 and 2a01:7c8:dddd:195::195, and ns1.transip.nl has 195.8.195.195 and 2a01:7c8:7000:195::195.

Mail Servers

Mail for expertcollege.de is handled by a single mail server, expertcollege-de.mail.protection.outlook.com.

expertcollege-de.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.16, 52.101.73.4, 52.101.73.6 and 5 others.

expertcollege.de - robtex.com