`wu.de`

DNSSEC	⚠️ Not signed
A	136.243.160.57^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
		PTR	`www468.your-server.de`
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`wu-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
MX	`mx01.hornetsecurity.com.wu.de`⁽¹⁰⁾
MX	`mx02.hornetsecurity.com.wu.de`⁽²⁰⁾
MX	`mx03.hornetsecurity.com.wu.de`⁽³⁰⁾
MX	`mx04.hornetsecurity.com.wu.de`⁽⁴⁰⁾
TXT	`langdock-verify=3-qzCjVx3qwOSNN2SJNgFwOReeKk7BDQ7eXcIfipKmM`
TXT	`sophos-domain-verification=f18fcb42ccbfde2e73bd8410d7bf3d3339c2a0ed3ace35be46...`
TXT	`v=spf1 ptr a:wu.de include:spf.protection.outlook.com include:spf.cluster.4hr...`
TXT	`MS=ms29260004`
TXT	`apple-domain-verification=ck9vOm90haDKq7cj`
TXT	`google-site-verification=yp1h1U0OHph8YtTyYtz5lYeM-g6QGYhFz5MzYjWvOd8`
TXT	`include:spf-eu.emailsignatures365.com`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-02-22 #5

`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=1771291602

Previously MX for

wu.de

Subdomains

www.wu.de

Same first word

wu.ac.at

wu.net

wu.cz

wu.lt

wu.ma

wu.kz

wu.cn.ua

wu.nu

wu.run

wu.hu

wu.money

wu.ee

wu.at

wu.ws

wu.edu

wu.edu.az

wu.fi

wu.com.mx

wu.org

wu.network

wu.coffee

wu.edu.af

wu.style

wu.engineer

wu.chat

wu.co

wu.tv

wu.nl

wu.fyi

wu.de

wu.ca

wu.ac.kr

wu.com

wu.cl

wu.cc

wu.ro

wu.ac.th

wu.ac

wu.life

wu.com.es

wu.sk

wu.com.ua

wu.world

wu.edu.et

wu.ly

wu.co.uk

wu.ua

Similar names

uw.email

uw.hu

uw.org

uw.pl

uw.com

uw.nu

uw.eu

uw.cn

uw.cc

uw.olsztyn.pl

uw.wtf

uw.mba

uw.co.za

uw.biz

uw.no

uw.nl

uw.be

uw.systems

uw.cx

uw.lv

uw.dk

uw.gda.pl

uw.world

uw.de

uw.au

uw.edu.mx

uw.fi

uw.cl

uw.co.uk

uw.cz

uw.lt

uw.co

uw.rzeszow.pl

uw.org.pl

uw.ma

uw.uz

uw.is

uw.se

uw.edu

uw.net

uw.ru

uw.engineering

uw.to

uw.ca

uw.chat

uw.edu.pl

uw.hk

uw.ro

uw.partners

uw.lublin.pl

uw.tools

DNS History

21 records (9 active, 12 former)

○NSdns.typo3server.com2017-07-19 → 2017-07-19 · 4 obs

○ 2017-02-17 06:22:44
● 2017-07-19 02:55:16
○ 2020-10-03 09:32:36
○ 2026-03-14 10:16:12

●NSns.second-ns.com2020-10-03 → 2026-03-14 · 3 obs

○ 2017-07-19 02:55:16
● 2020-10-03 09:32:36
● 2026-03-14 10:16:12

○NSns.stratoserver.net2015-07-23 → 2017-01-02 · 4 obs

● 2015-07-23 02:53:38
● 2017-01-02 09:37:42
○ 2017-01-23 16:51:00
○ 2026-03-14 10:16:12

●NSns1.your-server.de2020-10-03 → 2026-03-14 · 3 obs

○ 2017-07-19 02:55:16
● 2020-10-03 09:32:36
● 2026-03-14 10:16:12

○NSns2.stratoserver.net2015-07-23 → 2017-01-02 · 4 obs

● 2015-07-23 02:53:38
● 2017-01-02 09:37:42
○ 2017-01-23 16:51:00
○ 2026-03-14 10:16:12

○NSns2.typo3server.com2017-07-19 → 2017-07-19 · 4 obs

○ 2017-02-17 06:22:44
● 2017-07-19 02:55:16
○ 2020-10-03 09:32:36
○ 2026-03-14 10:16:12

○NSns3.dnsmittwald.de2017-07-19 → 2017-07-19 · 4 obs

○ 2017-02-17 06:22:44
● 2017-07-19 02:55:16
○ 2020-10-03 09:32:36
○ 2026-03-14 10:16:12

●NSns3.second-ns.de2020-10-03 → 2026-03-14 · 3 obs

○ 2017-07-19 02:55:16
● 2020-10-03 09:32:36
● 2026-03-14 10:16:12

○NSns3.stratoserver.net2017-01-23 → 2017-02-17 · 5 obs

○ 2017-01-02 09:37:42
● 2017-01-23 16:51:00
● 2017-02-17 06:22:44
○ 2017-07-19 02:55:16
○ 2026-03-14 10:16:12

○NSns4.stratoserver.net2017-01-23 → 2017-02-17 · 5 obs

○ 2017-01-02 09:37:42
● 2017-01-23 16:51:00
● 2017-02-17 06:22:44
○ 2017-07-19 02:55:16
○ 2026-03-14 10:16:12

○MX136.243.160.57.wu.de2021-03-25 → 2021-10-06 · 5 obs

○ 2017-07-19 02:55:16
● 2021-03-25 18:17:46
● 2021-10-06 13:13:38
○ 2026-02-25 16:04:24
○ 2026-03-14 10:16:12

●MXmx01.hornetsecurity.com.wu.de2026-02-25 → 2026-03-14 · 3 obs

○ 2021-10-06 13:13:38
● 2026-02-25 16:04:24
● 2026-03-14 10:16:12

●MXmx02.hornetsecurity.com.wu.de2026-02-25 → 2026-03-14 · 3 obs

○ 2021-10-06 13:13:38
● 2026-02-25 16:04:24
● 2026-03-14 10:16:12

●MXmx03.hornetsecurity.com.wu.de2026-02-25 → 2026-03-14 · 3 obs

○ 2021-10-06 13:13:38
● 2026-02-25 16:04:24
● 2026-03-14 10:16:12

●MXmx04.hornetsecurity.com.wu.de2026-02-25 → 2026-03-14 · 3 obs

○ 2021-10-06 13:13:38
● 2026-02-25 16:04:24
● 2026-03-14 10:16:12

●MXwu-de.mail.protection.outlook.com2017-07-19 → 2026-03-14 · 3 obs

○ 2017-02-17 06:22:44
● 2017-07-19 02:55:16
● 2026-03-14 10:16:12

○MXwu.de2015-07-23 → 2017-02-17 · 4 obs

● 2015-07-23 02:53:38
● 2017-02-17 06:22:44
○ 2017-07-19 02:55:16
○ 2026-03-14 10:16:12

●A136.243.160.572020-10-03 → 2026-03-14 · 3 obs

○ 2017-07-19 02:55:16
● 2020-10-03 09:32:36
● 2026-03-14 10:16:12

○A153.92.200.1012017-07-19 → 2017-07-19 · 4 obs

○ 2017-02-17 06:22:44
● 2017-07-19 02:55:16
○ 2020-10-03 09:32:36
○ 2026-03-14 10:16:12

○A85.214.158.1982015-10-02 → 2017-02-17 · 5 obs

○ 2015-07-23 02:53:38
● 2015-10-02 13:04:32
● 2017-02-17 06:22:44
○ 2017-07-19 02:55:16
○ 2026-03-14 10:16:12

○A85.214.64.2542015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 02:53:38
○ 2015-10-02 13:04:32
○ 2026-03-14 10:16:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
wu.de	ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com	4 records

✅ Authoritative Response

Server: 193.47.99.4

NS records: ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wu.de (unsigned zone)

⏱️ Timing

Total: 1109ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.160.57`
NS	3	`ns1.your-server.de, ns3.second-ns.de...`
MX	5	`mx03.hornetsecurity.com.wu.de (pri: 30), mx04.hornetsecurity.com.wu.de (pri: 40)...`
TXT	7	`langdock-verify=3-qzCjVx3qwOSNN2SJNgFwOR, sophos-domain-verification=f18fcb42ccbfd...`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.your-server.de, ns3.second-ns.de, ns1.your-server.de...)

Analysis

Hierarchy

wu.de is the parent of www.wu.de.

IP Addresses

wu.de resolves to one IP number: 136.243.160.57.

other host names including petra.hr, x42.info, mail.veten-ugrunda.az, schlumberger-it.de and 9c3.de share IP numbers with wu.de.

Name Servers

wu.de is delegated to three name servers ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

wu.de at least partially shares name servers with other domains, for instance refpix.com, 156.235.167.in-addr.arpa, tbs-b.de, shchx.eu and b.1.4.b.c.1.c.1.8.f.4.0.1.0.a.2.ip6.arpa.

these name servers are commonly used alongside ns1.first-ns.de.

Host names with two IP numbers:

ns.second-ns.com points to: 2a01:4f8:0:a101::b:1 and 213.239.204.242.

ns3.second-ns.de points to: 2001:67c:192c::add:b3 and 193.47.99.4.

ns1.your-server.de points to: 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

Mail Servers

wu.de is handled by five mail servers: wu-de.mail.protection.outlook.com, mx01.hornetsecurity.com.wu.de, mx02.hornetsecurity.com.wu.de, mx03.hornetsecurity.com.wu.de and mx04.hornetsecurity.com.wu.de.

The host name wu-de.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::8, 52.101.68.21, 52.101.68.29, 52.101.68.32 and 52.101.73.19.

wu.de - robtex.com

wu.de

de

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`wu.de`

`de`