studlib.de - dns.ninja

`studlib.de`

DNSSEC	⚠️ Not signed
A	5.45.72.163^{🇳🇱 SCALAXY-AS5.45.72.0/22}
		PTR	`mx.ebrary.net`
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`desiree.ns.cloudflare.com`
		A	2606:4700:50::a29f:260d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desiree.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`desiree.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`desiree.ns.cloudflare.com`
		A	108.162.194.13^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desiree.ns.cloudflare.com`
		A	162.159.38.13^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desiree.ns.cloudflare.com`
		A	172.64.34.13^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desiree.ns.cloudflare.com`
MX	`mx.studlib.de` ⭐
		A	5.45.72.163^{🇳🇱 SCALAXY-AS5.45.72.0/22}
			PTR	`mx.ebrary.net`
TXT	`v=spf1 ip4:5.45.72.163 ip4:5.45.75.95 a mx ~all`
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2407181267

`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=1783741947

Subdomains

mx.studlib.de

www.studlib.de

Same first word

studlib.de

studlib.ru

studlib.com

studlib.org.ua

Similar names

tsbuild.com

listdub.com

dbutils.com

listbud.com

stbuild.co.nz

stbuild.jp

tilbuds.com

stbuild.co.uk

stbuild.biz

tbuilds.com

dsbuilt.com.au

budlist.org

stilbud.ru

dublist.com

dbtulsi.xyz

tilbuds.net

sdbuilt.com

stbuild.com

budlist.net

buildst.com

litbuds.com

dsbuilt.com

budlist.com

tublids.com

DNS History

7 records (4 active, 3 former)

●NSdarwin.ns.cloudflare.com2026-02-19 → 2026-07-11 · 3 obs

○ 2017-12-08 02:52:12
● 2026-02-19 01:03:42
● 2026-07-11 04:15:12

●NSdesiree.ns.cloudflare.com2026-02-19 → 2026-07-11 · 3 obs

○ 2017-12-08 02:52:12
● 2026-02-19 01:03:42
● 2026-07-11 04:15:12

○NSns1.dynadot.com2017-12-08 → 2017-12-08 · 3 obs

● 2017-12-08 02:52:12
○ 2026-02-19 01:03:42
○ 2026-07-11 04:15:12

○NSns2.dynadot.com2017-12-08 → 2017-12-08 · 3 obs

● 2017-12-08 02:52:12
○ 2026-02-19 01:03:42
○ 2026-07-11 04:15:12

●MXmx.studlib.de2017-12-08 → 2026-07-11 · 2 obs

● 2017-12-08 02:52:12
● 2026-07-11 04:15:12

●A5.45.72.1632026-02-19 → 2026-07-11 · 3 obs

○ 2017-12-08 02:52:12
● 2026-02-19 01:03:42
● 2026-07-11 04:15:12

○A5.45.85.462017-12-08 → 2017-12-08 · 3 obs

● 2017-12-08 02:52:12
○ 2026-02-19 01:03:42
○ 2026-07-11 04:15:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
studlib.de	desiree.ns.cloudflare.com, darwin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.13

NS records: desiree.ns.cloudflare.com, darwin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studlib.de (unsigned zone)

⏱️ Timing

Total: 975ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.45.72.163`
NS	2	`darwin.ns.cloudflare.com, desiree.ns.cloudflare.com`
MX	1	`mx.studlib.de (pri: 10)`
TXT	1	`v=spf1 ip4:5.45.72.163 ip4:5.45.75.95 a`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

studlib.de is the parent domain of mx.studlib.de and www.studlib.de.

IP Addresses

studlib.de points to a single IP number: 5.45.72.163.

Additional host names — www.studlib.de, mx.cyclop.com.ua, cyclop.com.ua and two others — share IP numbers with studlib.de.

Name Servers

studlib.de has two authoritative name servers — darwin.ns.cloudflare.com and desiree.ns.cloudflare.com.

studlib.de shares its name server setup with other domains, including cyclop.com.ua, municipalcms.cloud, taoaimining.top and two others.

studlib.de shares at least some of its name servers with other domains, including ihomeeducator.com, provis.ru, tubib.lat and two others.

These name servers are frequently paired with the name servers kia.ns.cloudflare.com and sonny.ns.cloudflare.com.

Host names with 6 IP numbers:

darwin.ns.cloudflare.com points to 108.162.193.151, 172.64.33.151, 173.245.59.151 and 3 other IP addresses.

desiree.ns.cloudflare.com points to 108.162.194.13, 162.159.38.13, 172.64.34.13 and 3 other IP addresses.

Mail Servers

studlib.de has one mail server: mx.studlib.de.

mx.studlib.de points to one IP number — 5.45.72.163.