ptrb.de - dns.ninja

`ptrb.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::2d5^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-02d5.elastic-ssl.ui-r.com`
A	217.160.0.92^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1100.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5364:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.org`
		A	217.160.83.100^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.org`
NS	`ns1100.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5164:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.biz`
		A	217.160.81.100^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.biz`
NS	`ns1100.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5264:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.com`
		A	217.160.82.100^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1100.ui-dns.com`
NS	`ns1100.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:100^{🇺🇸 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	`ns1100.ui-dns.de`
		A	185.132.32.100^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1100.ui-dns.de`
		A	217.160.80.100^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1100.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`
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	`ns1100.ui-dns.org`hostmaster@1und1.de 2016-07-15 #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=1781373866

Same first word

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DNS History

16 records (8 active, 8 former)

●NSns1100.ui-dns.biz2026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

●NSns1100.ui-dns.com2026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

●NSns1100.ui-dns.de2026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

●NSns1100.ui-dns.org2026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

○NSns37.1und1.de2015-07-25 → 2017-01-10 · 4 obs

● 2015-07-25 20:33:06
● 2017-01-10 06:24:46
○ 2026-02-23 10:26:18
○ 2026-06-13 18:20:12

○NSns38.1und1.de2015-07-25 → 2017-01-10 · 4 obs

● 2015-07-25 20:33:06
● 2017-01-10 06:24:46
○ 2026-02-23 10:26:18
○ 2026-06-13 18:20:12

●MXmx00.ionos.de2026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

○MXmx00.kundenserver.de2015-07-25 → 2017-01-10 · 4 obs

● 2015-07-25 20:33:06
● 2017-01-10 06:24:46
○ 2026-02-23 10:26:18
○ 2026-06-13 18:20:12

●MXmx01.ionos.de2026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

○MXmx01.kundenserver.de2015-07-25 → 2017-01-10 · 4 obs

● 2015-07-25 20:33:06
● 2017-01-10 06:24:46
○ 2026-02-23 10:26:18
○ 2026-06-13 18:20:12

○A2001:8d8:1000:b05a:7391:d572:460f:a2015-07-25 → 2016-07-12 · 4 obs

● 2015-07-25 20:33:06
● 2016-07-12 16:25:16
○ 2017-01-10 06:24:46
○ 2026-06-13 18:20:12

○A2001:8d8:1000:b05a:f026:d832:f33d:40432017-01-10 → 2017-01-10 · 4 obs

○ 2016-07-12 16:25:16
● 2017-01-10 06:24:46
○ 2026-02-23 10:26:18
○ 2026-06-13 18:20:12

●A2001:8d8:100f:f000::2d52026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

●A217.160.0.922026-02-23 → 2026-06-13 · 3 obs

○ 2017-01-10 06:24:46
● 2026-02-23 10:26:18
● 2026-06-13 18:20:12

○A217.160.122.452017-01-10 → 2017-01-10 · 4 obs

○ 2016-07-12 16:25:16
● 2017-01-10 06:24:46
○ 2026-02-23 10:26:18
○ 2026-06-13 18:20:12

○A217.160.64.432015-07-25 → 2016-07-12 · 4 obs

● 2015-07-25 20:33:06
● 2016-07-12 16:25:16
○ 2017-01-10 06:24:46
○ 2026-06-13 18:20:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
ptrb.de	ns1100.ui-dns.biz, ns1100.ui-dns.org, ns1100.ui-dns.de, ns1100.ui-dns.com	-

✅ Authoritative Response

Server:217.160.81.100

NS records: ns1100.ui-dns.biz, ns1100.ui-dns.org, ns1100.ui-dns.de, ns1100.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptrb.de (unsigned zone)

⏱️ Timing

Total: 1426ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.92`
AAAA	1	`2001:8d8:100f:f000::2d5`
NS	4	`ns1100.ui-dns.com, ns1100.ui-dns.org...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1100.ui-dns.org hostmaster.1und1.de`

Analysis

IP Addresses

ptrb.de points to two IP numbers: 217.160.0.92 and 2001:8d8:100f:f000::2d5.

megashop.es, grusskartenshop.eu, pettluis.com plus two other host names have IP numbers in common with ptrb.de.

Name Servers

ptrb.de is delegated to four name servers, ns1100.ui-dns.biz, ns1100.ui-dns.com, ns1100.ui-dns.de and ns1100.ui-dns.org.

At least some of ptrb.de's name servers are shared with other domains, for example jcookconstruction.co.uk, artbutler.de, artwalks.org and two more.

These name servers tend to co-occur with ns1058.ui-dns.biz, ns1067.ui-dns.com, ns1092.ui-dns.de and 4 other name servers in the same DNS delegations.

Host names carrying three IP numbers:

ns1100.ui-dns.de resolves to three addresses: 185.132.32.100, 217.160.80.100 and 2607:f1c0:fe:53:185:132:32:100.

Host names pointing to two IP addresses:

ns1100.ui-dns.biz maps to two IP addresses — 217.160.81.100 and 2001:8d8:fe:53:0:d9a0:5164:100.

ns1100.ui-dns.com maps to two IP addresses — 217.160.82.100 and 2001:8d8:fe:53:0:d9a0:5264:100.

ns1100.ui-dns.org maps to two IP addresses — 217.160.83.100 and 2001:8d8:fe:53:0:d9a0:5364:100.

Mail Servers

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

The mail server setup of ptrb.de matches that of other domains such as emr-shop.de, maiorama.de, hadryan.de and two others.

ptrb.de overlaps on mail servers with certain other domains, milkex.de among them.

Each of mx00.ionos.de and mx01.ionos.de has one IP address: mx00.ionos.de uses 212.227.15.41 and mx01.ionos.de uses 217.72.192.67.