cu4eu.net - dns.ninja

`cu4eu.net`

DNSSEC	⚠️ Not signed
A	217.160.0.142^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-142.elastic-ssl.ui-r.com`
NS	`ns1022.ui-dns.org` ⭐
		A	2607:f1c0:fe:53:185:132:35:22^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1022.ui-dns.org`
		A	185.132.35.22^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
NS	`ns1022.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:22^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1022.ui-dns.biz`
		A	185.132.33.22^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
NS	`ns1022.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:22^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1022.ui-dns.com`
		A	185.132.34.22^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
NS	`ns1022.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:22^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1022.ui-dns.de`
		A	185.132.32.22^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
		A	212.227.15.171^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	212.227.15.188^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx01.kundenserver.de`
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1022.ui-dns.org`hostmaster@1und1.de 2016-06-18 #5

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786213034

Same first word

cu4eu.by

cu4eu.net

Similar names

cue4u.com

cue4u.com.au

ecu4u.com

ceu4u.com

DNS History

13 records (7 active, 6 former)

●NSns1022.ui-dns.biz2020-03-09 → 2026-08-08 · 3 obs

○ 2017-03-23 11:47:28
● 2020-03-09 22:27:28
● 2026-08-08 18:34:20

●NSns1022.ui-dns.com2020-03-09 → 2026-08-08 · 3 obs

○ 2017-03-23 11:47:28
● 2020-03-09 22:27:28
● 2026-08-08 18:34:20

●NSns1022.ui-dns.de2020-03-09 → 2026-08-08 · 3 obs

○ 2017-03-23 11:47:28
● 2020-03-09 22:27:28
● 2026-08-08 18:34:20

●NSns1022.ui-dns.org2020-03-09 → 2026-08-08 · 3 obs

○ 2017-03-23 11:47:28
● 2020-03-09 22:27:28
● 2026-08-08 18:34:20

○NSns55.1und1.de2015-08-16 → 2017-03-23 · 4 obs

● 2015-08-16 09:50:44
● 2017-03-23 11:47:28
○ 2020-03-09 22:27:28
○ 2026-08-08 18:34:20

○NSns56.1und1.de2015-08-16 → 2017-03-23 · 4 obs

● 2015-08-16 09:50:44
● 2017-03-23 11:47:28
○ 2020-03-09 22:27:28
○ 2026-08-08 18:34:20

●MXmx00.ionos.de2026-03-28 → 2026-08-08 · 3 obs

○ 2020-03-09 22:27:28
● 2026-03-28 02:44:48
● 2026-08-08 18:34:20

○MXmx00.kundenserver.de2015-08-16 → 2020-03-09 · 4 obs

● 2015-08-16 09:50:44
● 2020-03-09 22:27:28
○ 2026-03-28 02:44:48
○ 2026-08-08 18:34:20

●MXmx01.ionos.de2026-03-28 → 2026-08-08 · 3 obs

○ 2020-03-09 22:27:28
● 2026-03-28 02:44:48
● 2026-08-08 18:34:20

○MXmx01.kundenserver.de2015-08-16 → 2020-03-09 · 4 obs

● 2015-08-16 09:50:44
● 2020-03-09 22:27:28
○ 2026-03-28 02:44:48
○ 2026-08-08 18:34:20

●A217.160.0.1422026-03-28 → 2026-08-08 · 3 obs

○ 2020-03-09 22:27:28
● 2026-03-28 02:44:48
● 2026-08-08 18:34:20

○A217.160.233.1082017-03-23 → 2020-03-09 · 5 obs

○ 2016-04-24 08:44:42
● 2017-03-23 11:47:28
● 2020-03-09 22:27:28
○ 2026-03-28 02:44:48
○ 2026-08-08 18:34:20

○A82.165.218.882015-08-16 → 2016-04-24 · 4 obs

● 2015-08-16 09:50:44
● 2016-04-24 08:44:42
○ 2017-03-23 11:47:28
○ 2026-08-08 18:34:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cu4eu.net	ns1022.ui-dns.de, ns1022.ui-dns.biz, ns1022.ui-dns.org, ns1022.ui-dns.com	-

✅ Authoritative Response

Server:185.132.32.22

NS records: ns1022.ui-dns.de, ns1022.ui-dns.biz, ns1022.ui-dns.org, ns1022.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu4eu.net (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.142`
NS	4	`ns1022.ui-dns.org, ns1022.ui-dns.biz...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1022.ui-dns.org hostmaster.1und1.de`

Analysis

IP Addresses

cu4eu.net points to a single IP number: 217.160.0.142.

Additional host names — cellchemy.com, hochschulcheck.de, dpocentre.com and two others — share IP numbers with cu4eu.net.

Name Servers

cu4eu.net has four authoritative name servers: ns1022.ui-dns.biz, ns1022.ui-dns.com, ns1022.ui-dns.de and ns1022.ui-dns.org.

The name servers of cu4eu.net overlap at least partially with those of other domains — among them wifipay.online, natwesttreats.co.uk, ledsmart.es and two more.

These name servers commonly appear in delegations together with ns1089.ui-dns.biz, ns1113.ui-dns.de, ns1047.ui-dns.org and 3 other.

Each of the four hosts ns1022.ui-dns.biz, ns1022.ui-dns.com, ns1022.ui-dns.de and ns1022.ui-dns.org has two IP addresses. ns1022.ui-dns.biz points to 185.132.33.22 and 2607:f1c0:fe:53:185:132:33:22. ns1022.ui-dns.com points to 185.132.34.22 and 2607:f1c0:fe:53:185:132:34:22. ns1022.ui-dns.de points to 185.132.32.22 and 2607:f1c0:fe:53:185:132:32:22. ns1022.ui-dns.org points to 185.132.35.22 and 2607:f1c0:fe:53:185:132:35:22.

Mail Servers

cu4eu.net has two mail servers: mx00.ionos.de and mx01.ionos.de.

cu4eu.net shares the same mail server setup as other domains, including steiner-mantei.com, maxi-unger.de, my-kink.de and two others.

cu4eu.net has mail servers in common with other domains — methethos.com being one example.

mx00.ionos.de resolves to 212.227.15.41 and 212.227.15.171. Likewise, mx01.ionos.de resolves to 212.227.15.188 and 217.72.192.67 — two IP addresses apiece.