corelab.de - dns.ninja

`corelab.de`

DNSSEC	⚠️ Not signed
A	217.160.0.6^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-6.elastic-ssl.ui-r.com`
NS	`ns1125.ui-dns.org` ⭐
		A	2607:f1c0:fe:53:185:132:35:125^{🇺🇸 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	`ns1125.ui-dns.org`
		A	185.132.35.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.org`
NS	`ns1125.ui-dns.biz`
		A	2607:f1c0:fe:53:185:132:33:125^{🇺🇸 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	`ns1125.ui-dns.biz`
		A	185.132.33.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.biz`
NS	`ns1125.ui-dns.com`
		A	2607:f1c0:fe:53:185:132:34:125^{🇺🇸 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	`ns1125.ui-dns.com`
		A	185.132.34.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.com`
NS	`ns1125.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:125^{🇺🇸 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	`ns1125.ui-dns.de`
		A	185.132.32.125^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1125.ui-dns.de`
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	`ns1125.ui-dns.org`hostmaster@schlund.de 2011-08-10 #4

`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=1786150590

Same first word

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DNS History

12 records (7 active, 5 former)

○NSns11.schlund.de2015-07-02 → 2017-11-08 · 4 obs

● 2015-07-02 17:38:44
● 2017-11-08 05:12:36
○ 2026-03-29 13:55:36
○ 2026-08-08 01:31:26

●NSns1125.ui-dns.biz2026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

●NSns1125.ui-dns.com2026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

●NSns1125.ui-dns.de2026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

●NSns1125.ui-dns.org2026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

○NSns12.schlund.de2015-07-02 → 2017-11-08 · 4 obs

● 2015-07-02 17:38:44
● 2017-11-08 05:12:36
○ 2026-03-29 13:55:36
○ 2026-08-08 01:31:26

●MXmx00.ionos.de2026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

○MXmx00.schlund.de2015-07-02 → 2017-11-08 · 4 obs

● 2015-07-02 17:38:44
● 2017-11-08 05:12:36
○ 2026-03-29 13:55:36
○ 2026-08-08 01:31:26

●MXmx01.ionos.de2026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

○MXmx01.schlund.de2015-07-02 → 2017-11-08 · 4 obs

● 2015-07-02 17:38:44
● 2017-11-08 05:12:36
○ 2026-03-29 13:55:36
○ 2026-08-08 01:31:26

○A212.227.238.632015-07-02 → 2017-11-08 · 4 obs

● 2015-07-02 17:38:44
● 2017-11-08 05:12:36
○ 2026-03-29 13:55:36
○ 2026-08-08 01:31:26

●A217.160.0.62026-03-29 → 2026-08-08 · 3 obs

○ 2017-11-08 05:12:36
● 2026-03-29 13:55:36
● 2026-08-08 01:31:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
corelab.de	ns1125.ui-dns.com, ns1125.ui-dns.org, ns1125.ui-dns.de, ns1125.ui-dns.biz	-

✅ Authoritative Response

Server:185.132.34.125

NS records: ns1125.ui-dns.com, ns1125.ui-dns.org, ns1125.ui-dns.de, ns1125.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corelab.de (unsigned zone)

⏱️ Timing

Total: 780ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.6`
NS	4	`ns1125.ui-dns.biz, ns1125.ui-dns.com...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1125.ui-dns.org hostmaster.schlund.de`

Analysis

IP Addresses

corelab.de has exactly one IP address — 217.160.0.6.

lanaulab.net, cmgleisure.com, 5hofmann.com plus two other host names have IP numbers in common with corelab.de.

Name Servers

Four name servers handle the delegation for corelab.de: ns1125.ui-dns.biz, ns1125.ui-dns.com, ns1125.ui-dns.de and ns1125.ui-dns.org.

corelab.de has at least partial name server overlap with other domains, such as lottondo.tv, redlilly.com, gpslawyer.com and two others.

These name servers tend to appear together with the name servers ns1056.ui-dns.com, ns1058.ui-dns.de and ns1066.ui-dns.org, plus two others.

ns1125.ui-dns.biz, ns1125.ui-dns.com, ns1125.ui-dns.de and ns1125.ui-dns.org all point to exactly two IP numbers each: ns1125.ui-dns.biz → 185.132.33.125 and 2607:f1c0:fe:53:185:132:33:125; ns1125.ui-dns.com → 185.132.34.125 and 2607:f1c0:fe:53:185:132:34:125; ns1125.ui-dns.de → 185.132.32.125 and 2607:f1c0:fe:53:185:132:32:125; ns1125.ui-dns.org → 185.132.35.125 and 2607:f1c0:fe:53:185:132:35:125.

Mail Servers

corelab.de uses two mail servers, mx00.ionos.de and mx01.ionos.de.

The mail server setup of corelab.de matches that of other domains such as gambling-promotions.de, belicom.de, jobsoft.de and two others.

The two host names mx00.ionos.de and mx01.ionos.de each have a pair of IP addresses: mx00.ionos.de has 212.227.15.41 and 212.227.15.171, and mx01.ionos.de has 212.227.15.188 and 217.72.192.67.