`first-response.de`

DNSSEC	⚠️ Not signed
A	217.160.0.120^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-120.elastic-ssl.ui-r.com`
NS	`ns1115.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5273:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1115.ui-dns.com`
		A	217.160.82.115^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1115.ui-dns.com`
NS	`ns1115.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5173:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1115.ui-dns.biz`
		A	217.160.81.115^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1115.ui-dns.biz`
NS	`ns1115.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:115^{🇺🇸 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	`ns1115.ui-dns.de`
		A	217.160.80.115^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1115.ui-dns.de`
NS	`ns1115.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5373:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1115.ui-dns.org`
		A	217.160.83.115^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1115.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`
MX	`mx01.ionos.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	`ns1115.ui-dns.com`hostmaster@1und1.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=1773553752

Same first word

first-response.co.uk

first-response.de

first-response.be

first-response.org

DNS History

14 records (7 active, 7 former)

●NSns1115.ui-dns.biz2020-04-10 → 2026-03-16 · 3 obs

○ 2017-04-20 07:08:50
● 2020-04-10 03:09:40
● 2026-03-16 21:40:52

●NSns1115.ui-dns.com2020-04-10 → 2026-03-16 · 3 obs

○ 2017-04-20 07:08:50
● 2020-04-10 03:09:40
● 2026-03-16 21:40:52

●NSns1115.ui-dns.de2020-04-10 → 2026-03-16 · 3 obs

○ 2017-04-20 07:08:50
● 2020-04-10 03:09:40
● 2026-03-16 21:40:52

●NSns1115.ui-dns.org2020-04-10 → 2026-03-16 · 3 obs

○ 2017-04-20 07:08:50
● 2020-04-10 03:09:40
● 2026-03-16 21:40:52

○NSns55.1und1.de2015-08-11 → 2017-04-20 · 4 obs

● 2015-08-11 08:06:02
● 2017-04-20 07:08:50
○ 2020-04-10 03:09:40
○ 2026-03-16 21:40:52

○NSns56.1und1.de2015-08-11 → 2017-04-20 · 4 obs

● 2015-08-11 08:06:02
● 2017-04-20 07:08:50
○ 2020-04-10 03:09:40
○ 2026-03-16 21:40:52

●MXmx00.ionos.de2026-03-16 → 2026-03-16 · 3 obs

○ 2020-04-10 03:09:40
● 2026-03-16 08:56:12
● 2026-03-16 21:40:52

○MXmx00.kundenserver.de2015-08-11 → 2020-04-10 · 4 obs

● 2015-08-11 08:06:02
● 2020-04-10 03:09:40
○ 2026-03-16 08:56:12
○ 2026-03-16 21:40:52

●MXmx01.ionos.de2026-03-16 → 2026-03-16 · 3 obs

○ 2020-04-10 03:09:40
● 2026-03-16 08:56:12
● 2026-03-16 21:40:52

○MXmx01.kundenserver.de2015-08-11 → 2020-04-10 · 4 obs

● 2015-08-11 08:06:02
● 2020-04-10 03:09:40
○ 2026-03-16 08:56:12
○ 2026-03-16 21:40:52

○A103.232.215.1332015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 08:06:02
○ 2026-03-16 08:56:12
○ 2026-03-16 21:40:52

●A217.160.0.1202026-03-16 → 2026-03-16 · 3 obs

○ 2020-04-10 03:09:40
● 2026-03-16 08:56:12
● 2026-03-16 21:40:52

○A217.160.233.1062016-09-14 → 2020-04-10 · 5 obs

○ 2016-03-15 23:05:24
● 2016-09-14 04:41:16
● 2020-04-10 03:09:40
○ 2026-03-16 08:56:12
○ 2026-03-16 21:40:52

○A82.165.217.2372015-08-11 → 2016-03-15 · 4 obs

● 2015-08-11 08:06:02
● 2016-03-15 23:05:24
○ 2016-09-14 04:41:16
○ 2026-03-16 21:40:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
first-response.de	ns1115.ui-dns.de, ns1115.ui-dns.biz, ns1115.ui-dns.com, ns1115.ui-dns.org	-

✅ Authoritative Response

Server: 217.160.82.115

NS records: ns1115.ui-dns.de, ns1115.ui-dns.biz, ns1115.ui-dns.com, ns1115.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for first-response.de (unsigned zone)

⏱️ Timing

Total: 1364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.120`
NS	4	`ns1115.ui-dns.biz, ns1115.ui-dns.de...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1115.ui-dns.com hostmaster.1und1.de`

Analysis

IP Addresses

first-response.de resolves to one IP number: 217.160.0.120.

other host names including www.aibvision.de, mentorsocietaet.com, kfo-abrechnung.de, medientraining-rieskamp.de and morayma.eu share IP numbers with first-response.de.

Name Servers

first-response.de is delegated to four name servers: ns1115.ui-dns.biz, ns1115.ui-dns.com, ns1115.ui-dns.de and ns1115.ui-dns.org.

first-response.de at least partially shares name servers with other domains, for instance beronet.de, sapphire-ltd.com, plan9.info, inthecut.org and bodenseeferien.net.

These name servers are commonly used alongside ns1073.ui-dns.biz, ns1111.ui-dns.com, ns1077.ui-dns.org, ns1048.ui-dns.de, ns1086.ui-dns.com and ns1045.ui-dns.de.

Host names with two IP numbers:

ns1115.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5173:100 and 217.160.81.115; ns1115.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5273:100 and 217.160.82.115; ns1115.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:115 and 217.160.80.115; ns1115.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5373:100 and 217.160.83.115.

Mail Servers

Two mail servers handle first-response.de: mx00.ionos.de and mx01.ionos.de.

first-response.de shares the same mail server setup as other domains, for instance redo-ce.de, x4win.net, 8ung.org, ersatzteildiscount24.de and achard-net.de.

Host names with one IP number:

mx00.ionos.de points to 212.227.15.41

mx01.ionos.de points to 217.72.192.67

first-response.de - robtex.com