`studijob.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:5d20^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:cc32^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.32^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.50^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coby.ns.cloudflare.com`
		A	108.162.193.92^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	172.64.33.92^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	173.245.59.92^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
NS	`raegan.ns.cloudflare.com`
		A	2606:4700:50::a29f:269e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raegan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raegan.ns.cloudflare.com`
		A	108.162.194.158^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	162.159.38.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
		A	172.64.34.158^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raegan.ns.cloudflare.com`
MX	`w01fe3d5.kasserver.com` ⭐
		A	85.13.167.11^{🇩🇪 NMM-AS85.13.167.0/24 Neue Medien Muennich}
			PTR	`dd54704.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.32, 172.67.204.50
		IPv6 hints	2606:4700:3035::6815:5d20, 2606:4700:3035::ac43:cc32
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=162, name=cloudflare-ech.com
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2409086666

`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=1785800096

Subdomains

www.studijob.de

Same first word

studijob.de

studijob.com

studijob.nl

Similar names

jbstudio.nl

jbstudio.us

jbstudio.dk

studiobj.com

jbstudio.com

bjstudio.com

jbstudio.ru

studiojb.com

DNS History

26 records (7 active, 19 former)

●NScoby.ns.cloudflare.com2026-07-16 → 2026-08-03 · 3 obs

○ 2026-05-16 14:08:52
● 2026-07-16 17:30:40
● 2026-08-03 23:59:08

○NSns1.hans.hosteurope.de2015-05-14 → 2015-10-17 · 4 obs

● 2015-05-14 13:59:52
● 2015-10-17 12:08:42
○ 2015-12-14 23:24:50
○ 2026-08-03 23:59:08

○NSns1.parkingcrew.net2015-12-14 → 2017-04-18 · 5 obs

○ 2015-10-17 12:08:42
● 2015-12-14 23:24:50
● 2017-04-18 23:33:24
○ 2026-04-02 16:37:00
○ 2026-08-03 23:59:08

○NSns1.redirectdom.com2026-04-02 → 2026-04-14 · 5 obs

○ 2017-04-18 23:33:24
● 2026-04-02 16:37:00
● 2026-04-14 21:52:42
○ 2026-05-16 14:08:52
○ 2026-08-03 23:59:08

○NSns2.hans.hosteurope.de2015-05-14 → 2015-10-17 · 4 obs

● 2015-05-14 13:59:52
● 2015-10-17 12:08:42
○ 2015-12-14 23:24:50
○ 2026-08-03 23:59:08

○NSns2.parkingcrew.net2015-12-14 → 2017-04-18 · 5 obs

○ 2015-10-17 12:08:42
● 2015-12-14 23:24:50
● 2017-04-18 23:33:24
○ 2026-04-02 16:37:00
○ 2026-08-03 23:59:08

○NSns2.redirectdom.com2026-04-02 → 2026-04-14 · 5 obs

○ 2017-04-18 23:33:24
● 2026-04-02 16:37:00
● 2026-04-14 21:52:42
○ 2026-05-16 14:08:52
○ 2026-08-03 23:59:08

○NSns5.kasserver.com2026-05-16 → 2026-05-16 · 4 obs

○ 2026-04-14 21:52:42
● 2026-05-16 14:08:52
○ 2026-07-16 17:30:40
○ 2026-08-03 23:59:08

○NSns6.kasserver.com2026-05-16 → 2026-05-16 · 4 obs

○ 2026-04-14 21:52:42
● 2026-05-16 14:08:52
○ 2026-07-16 17:30:40
○ 2026-08-03 23:59:08

●NSraegan.ns.cloudflare.com2026-07-16 → 2026-08-03 · 3 obs

○ 2026-05-16 14:08:52
● 2026-07-16 17:30:40
● 2026-08-03 23:59:08

○MXmx0.studijob.de2015-05-14 → 2015-10-17 · 4 obs

● 2015-05-14 13:59:52
● 2015-10-17 12:08:42
○ 2015-12-14 23:24:50
○ 2026-08-03 23:59:08

●MXw01fe3d5.kasserver.com2026-05-16 → 2026-08-03 · 3 obs

○ 2015-12-14 23:24:50
● 2026-05-16 14:08:52
● 2026-08-03 23:59:08

●A104.21.93.322026-07-16 → 2026-08-03 · 4 obs

○ 2026-05-16 14:08:52
● 2026-07-16 17:30:40
○ 2026-07-23 15:01:00
● 2026-08-03 23:59:08

●A172.67.204.502026-07-16 → 2026-08-03 · 4 obs

○ 2026-05-16 14:08:52
● 2026-07-16 17:30:40
○ 2026-07-23 15:01:00
● 2026-08-03 23:59:08

○A185.53.177.82015-12-14 → 2016-09-18 · 5 obs

○ 2015-10-17 12:08:42
● 2015-12-14 23:24:50
● 2016-09-18 05:12:40
○ 2017-04-18 23:33:24
○ 2026-08-03 23:59:08

○A185.53.178.82017-04-18 → 2017-04-18 · 4 obs

○ 2016-09-18 05:12:40
● 2017-04-18 23:33:24
○ 2026-04-02 16:37:00
○ 2026-08-03 23:59:08

○A188.114.96.02026-07-23 → 2026-07-23 · 3 obs

○ 2026-07-16 17:30:40
● 2026-07-23 15:01:00
○ 2026-08-03 23:59:08

○A188.114.97.02026-07-23 → 2026-07-23 · 3 obs

○ 2026-07-16 17:30:40
● 2026-07-23 15:01:00
○ 2026-08-03 23:59:08

●A2606:4700:3035::6815:5d202026-07-16 → 2026-08-03 · 4 obs

○ 2026-05-16 14:08:52
● 2026-07-16 17:30:40
○ 2026-07-23 15:01:00
● 2026-08-03 23:59:08

●A2606:4700:3035::ac43:cc322026-07-16 → 2026-08-03 · 4 obs

○ 2026-05-16 14:08:52
● 2026-07-16 17:30:40
○ 2026-07-23 15:01:00
● 2026-08-03 23:59:08

○A2a01:488:42:1000:5bfa:44bb:23:c4c42015-05-14 → 2015-10-17 · 4 obs

● 2015-05-14 13:59:52
● 2015-10-17 12:08:42
○ 2015-12-14 23:24:50
○ 2026-08-03 23:59:08

○A2a06:98c1:3120::42026-07-23 → 2026-07-23 · 3 obs

○ 2026-07-16 17:30:40
● 2026-07-23 15:01:00
○ 2026-08-03 23:59:08

○A2a06:98c1:3121::42026-07-23 → 2026-07-23 · 3 obs

○ 2026-07-16 17:30:40
● 2026-07-23 15:01:00
○ 2026-08-03 23:59:08

○A78.47.106.642026-04-02 → 2026-04-14 · 5 obs

○ 2017-04-18 23:33:24
● 2026-04-02 16:37:00
● 2026-04-14 21:52:42
○ 2026-05-16 14:08:52
○ 2026-08-03 23:59:08

○A85.13.167.112026-05-16 → 2026-05-16 · 4 obs

○ 2026-04-14 21:52:42
● 2026-05-16 14:08:52
○ 2026-07-16 17:30:40
○ 2026-08-03 23:59:08

○A91.250.68.1872015-05-14 → 2015-10-17 · 4 obs

● 2015-05-14 13:59:52
● 2015-10-17 12:08:42
○ 2015-12-14 23:24:50
○ 2026-08-03 23:59:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
studijob.de	raegan.ns.cloudflare.com, coby.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.158

NS records: raegan.ns.cloudflare.com, coby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studijob.de (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.93.32, 172.67.204.50`
AAAA	2	`2606:4700:3035::6815:5d20, 2606:4700:3035::ac43:cc32`
NS	2	`coby.ns.cloudflare.com, raegan.ns.cloudflare.com`
MX	1	`w01fe3d5.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coby.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

www.studijob.de is delegated beneath studijob.de.

IP Addresses

studijob.de points to the four IP addresses 104.21.93.32, 172.67.204.50, 2606:4700:3035::6815:5d20 and 2606:4700:3035::ac43:cc32.

Two other host names, along with open-spirit.info, bubble.ro and boi-i.com, also share IP numbers with studijob.de.

Name Servers

DNS delegation for studijob.de points to two name servers: coby.ns.cloudflare.com and raegan.ns.cloudflare.com.

studijob.de shares its NS records with other domains, for example bo-career-day.de, bizzo.vip, itechag.ch and two others.

There is at least partial name server overlap between studijob.de and other domains — oradelivion.com, asperorealty.com, netphoria.org and two more among them.

These name servers frequently co-occur with the name servers jaziel.ns.cloudflare.com and amit.ns.cloudflare.com.

DNS names with 6 IP addresses:

coby.ns.cloudflare.com has IP addresses 108.162.193.92, 172.64.33.92 and 173.245.59.92, plus 3 other.

raegan.ns.cloudflare.com has IP addresses 108.162.194.158, 162.159.38.158 and 172.64.34.158, plus 3 other.

Mail Servers

The sole mail server for studijob.de is w01fe3d5.kasserver.com.

Mail server setup for studijob.de matches that of other domains, among them michael-mauerhoff.de.

w01fe3d5.kasserver.com has exactly one IP number: 85.13.167.11.

studijob.de - robtex.com

studijob.de

de

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`studijob.de`

`de`