cetraining.de - dns.ninja

`cetraining.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2ef^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02ef.elastic-ssl.ui-r.com`
A	217.160.0.140^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1017.ui-dns.com` ⭐
		A	2607:f1c0:fe:53:185:132:34:17^{🇺🇸 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	`ns1017.ui-dns.com`
		A	185.132.34.17^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1017.ui-dns.com`
NS	`ns1017.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:17^{🇺🇸 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	`ns1017.ui-dns.biz`
		A	185.132.33.17^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1017.ui-dns.biz`
NS	`ns1017.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:17^{🇺🇸 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	`ns1017.ui-dns.de`
		A	185.132.32.17^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1017.ui-dns.de`
NS	`ns1017.ui-dns.org`
		A	2607:f1c0:fe:53:185:132:35:17^{🇺🇸 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	`ns1017.ui-dns.org`
		A	185.132.35.17^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1017.ui-dns.org`
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	`ns1017.ui-dns.com`hostmaster@kundenserver.de 2016-06-18 #3

`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=1785355543

Same first word

cetraining.de

cetraining.com

Similar names

DNS History

18 records (8 active, 10 former)

○NSns-de.1and1-dns.biz2015-07-22 → 2017-03-20 · 4 obs

● 2015-07-22 09:26:28
● 2017-03-20 10:46:30
○ 2019-12-30 15:35:54
○ 2026-07-29 20:07:32

○NSns-de.1and1-dns.com2015-07-22 → 2017-03-20 · 4 obs

● 2015-07-22 09:26:28
● 2017-03-20 10:46:30
○ 2019-12-30 15:35:54
○ 2026-07-29 20:07:32

○NSns-de.1and1-dns.de2015-07-22 → 2017-03-20 · 4 obs

● 2015-07-22 09:26:28
● 2017-03-20 10:46:30
○ 2019-12-30 15:35:54
○ 2026-07-29 20:07:32

○NSns-de.1and1-dns.org2015-07-22 → 2017-03-20 · 4 obs

● 2015-07-22 09:26:28
● 2017-03-20 10:46:30
○ 2019-12-30 15:35:54
○ 2026-07-29 20:07:32

●NSns1017.ui-dns.biz2019-12-30 → 2026-07-29 · 3 obs

○ 2017-03-20 10:46:30
● 2019-12-30 15:35:54
● 2026-07-29 20:07:32

●NSns1017.ui-dns.com2019-12-30 → 2026-07-29 · 3 obs

○ 2017-03-20 10:46:30
● 2019-12-30 15:35:54
● 2026-07-29 20:07:32

●NSns1017.ui-dns.de2019-12-30 → 2026-07-29 · 3 obs

○ 2017-03-20 10:46:30
● 2019-12-30 15:35:54
● 2026-07-29 20:07:32

●NSns1017.ui-dns.org2019-12-30 → 2026-07-29 · 3 obs

○ 2017-03-20 10:46:30
● 2019-12-30 15:35:54
● 2026-07-29 20:07:32

●MXmx00.ionos.de2026-03-27 → 2026-07-29 · 3 obs

○ 2019-12-30 15:35:54
● 2026-03-27 02:06:44
● 2026-07-29 20:07:32

○MXmx00.kundenserver.de2015-07-22 → 2019-12-30 · 4 obs

● 2015-07-22 09:26:28
● 2019-12-30 15:35:54
○ 2026-03-27 02:06:44
○ 2026-07-29 20:07:32

●MXmx01.ionos.de2026-03-27 → 2026-07-29 · 3 obs

○ 2019-12-30 15:35:54
● 2026-03-27 02:06:44
● 2026-07-29 20:07:32

○MXmx01.kundenserver.de2015-07-22 → 2019-12-30 · 4 obs

● 2015-07-22 09:26:28
● 2019-12-30 15:35:54
○ 2026-03-27 02:06:44
○ 2026-07-29 20:07:32

○A2001:8d8:1000:9096:805f:7952:ad81:88282016-07-04 → 2019-12-30 · 5 obs

○ 2016-02-29 13:17:14
● 2016-07-04 21:17:00
● 2019-12-30 15:35:54
○ 2026-03-27 02:06:44
○ 2026-07-29 20:07:32

○A2001:8d8:1000:9096:a046:930e:3982:801a2015-07-22 → 2016-02-29 · 4 obs

● 2015-07-22 09:26:28
● 2016-02-29 13:17:14
○ 2016-07-04 21:17:00
○ 2026-07-29 20:07:32

●A2001:8d8:100f:f000::2ef2026-03-27 → 2026-07-29 · 3 obs

○ 2019-12-30 15:35:54
● 2026-03-27 02:06:44
● 2026-07-29 20:07:32

○A213.165.76.742015-07-22 → 2016-02-29 · 4 obs

● 2015-07-22 09:26:28
● 2016-02-29 13:17:14
○ 2016-07-04 21:17:00
○ 2026-07-29 20:07:32

●A217.160.0.1402026-03-27 → 2026-07-29 · 3 obs

○ 2019-12-30 15:35:54
● 2026-03-27 02:06:44
● 2026-07-29 20:07:32

○A217.160.233.952016-07-04 → 2019-12-30 · 5 obs

○ 2016-02-29 13:17:14
● 2016-07-04 21:17:00
● 2019-12-30 15:35:54
○ 2026-03-27 02:06:44
○ 2026-07-29 20:07:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cetraining.de	ns1017.ui-dns.de, ns1017.ui-dns.com, ns1017.ui-dns.biz, ns1017.ui-dns.org	-

✅ Authoritative Response

Server:185.132.32.17

NS records: ns1017.ui-dns.de, ns1017.ui-dns.com, ns1017.ui-dns.biz, ns1017.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cetraining.de (unsigned zone)

⏱️ Timing

Total: 1221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.140`
AAAA	1	`2001:8d8:100f:f000::2ef`
NS	4	`ns1017.ui-dns.com, ns1017.ui-dns.org...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1017.ui-dns.com hostmaster.kundenserve`

Analysis

IP Addresses

cetraining.de points to the IP addresses 217.160.0.140 and 2001:8d8:100f:f000::2ef

Two other host names, along with s344722094.online.de, www.harrison.co.uk and cedricfreiberger.de, also share IP numbers with cetraining.de.

Name Servers

The NS records for cetraining.de point to four name servers: ns1017.ui-dns.biz, ns1017.ui-dns.com, ns1017.ui-dns.de and ns1017.ui-dns.org.

The name servers of cetraining.de overlap at least partially with those of other domains — among them deimprenta.com, seibelseckle.de, wannerhof.com and two more.

These name servers commonly appear in delegations together with ns1020.ui-dns.biz, ns1102.ui-dns.com, ns1056.ui-dns.de and 6 other.

Each of the four hosts ns1017.ui-dns.biz, ns1017.ui-dns.com, ns1017.ui-dns.de and ns1017.ui-dns.org has two IP addresses. ns1017.ui-dns.biz points to 185.132.33.17 and 2607:f1c0:fe:53:185:132:33:17. ns1017.ui-dns.com points to 185.132.34.17 and 2607:f1c0:fe:53:185:132:34:17. ns1017.ui-dns.de points to 185.132.32.17 and 2607:f1c0:fe:53:185:132:32:17. ns1017.ui-dns.org points to 185.132.35.17 and 2607:f1c0:fe:53:185:132:35:17.

Mail Servers

cetraining.de is served by two mail servers, mx00.ionos.de and mx01.ionos.de.

Among the domains sharing a mail server setup with cetraining.de are pitten.de, enha.eu, vorarlberg-smileyes.at and two others.

mx00.ionos.de and mx01.ionos.de each resolve to two IP addresses: mx00.ionos.de points to 212.227.15.41 and 212.227.15.171, while mx01.ionos.de points to 212.227.15.188 and 217.72.192.67.