cref.de - dns.ninja
cref.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1152::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w98.rzone.de | ||||||
| A | 81.169.145.152🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks12.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:12🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks12.rzone.de | ||||||
| A | 217.160.80.139🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks12.rzone.de | ||||||
| NS | shades02.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:129🇺🇸 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 | shades02.rzone.de | ||||||
| A | 185.132.34.129🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades02.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks12.rzone.dehostmaster@strato-rz.de 2020-05-29 #5 | ||||||
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.dedns-operations@denic.de serial=1781301052 | ||||||
Same first word
cref.de |
cref.cf |
cref.co.uk |
cref.ru |
cref.com |
cref.it |
cref.org.tw |
cref.school |
cref.or.kr |
cref.org |
cref.jp |
cref.info |
cref.co |
cref.net |
cref.com.au |
cref.fr |
cref.cc |
cref.pt |
cref.be |
cref.co.jp |
cref.nl |
cref.co.kr |
Similar names
DNS History
8 records (5 active, 3 former)
○MXsmtp.rzone.de2015-07-07 → 2017-05-01 · 4 obs
● 2017-05-01 06:57:58
○ 2026-02-26 02:13:18
○ 2026-06-12 22:01:02
●MXsmtpin.rzone.de2026-02-26 → 2026-06-12 · 3 obs
● 2026-02-26 02:13:18
● 2026-06-12 22:01:02
○A2a01:238:20a:202:1077::2015-07-07 → 2017-05-01 · 4 obs
● 2017-05-01 06:57:58
○ 2026-02-26 02:13:18
○ 2026-06-12 22:01:02
●A2a01:238:20a:202:1152::2026-02-26 → 2026-06-12 · 3 obs
● 2026-02-26 02:13:18
● 2026-06-12 22:01:02
●A81.169.145.1522026-02-26 → 2026-06-12 · 3 obs
● 2026-02-26 02:13:18
● 2026-06-12 22:01:02
○A81.169.145.772015-07-07 → 2017-05-01 · 4 obs
● 2017-05-01 06:57:58
○ 2026-02-26 02:13:18
○ 2026-06-12 22:01:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cref.de | shades02.rzone.de, docks12.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.129
NS records: shades02.rzone.de, docks12.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cref.de (unsigned zone)
⏱️ Timing
Total: 1327ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.152 |
| AAAA | 1 | 2a01:238:20a:202:1152:: |
| NS | 2 | docks12.rzone.de, shades02.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks12.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
cref.de points to two IP numbers: 81.169.145.152 and 2a01:238:20a:202:1152::.
Two other host names, along with balje.de, kbfliesenhandel.com and magic-hotel-buch.de, also share IP numbers with cref.de.
Name Servers
cref.de uses two name servers for its delegation: docks12.rzone.de and shades02.rzone.de.
cref.de shares its NS records with other domains, for example faszination-amateurfunk.de, i-ftb.eu, pro-fi-wolfsburg.com and two others.
cref.de shares at least some of its name servers with other domains, including 2geist.de, von-seezen.de, guiltyfruits.com and two others.
These name servers are frequently seen alongside docks05.rzone.de, docks06.rzone.de, shades01.rzone.de and 7 other name servers.
The two host names docks12.rzone.de and shades02.rzone.de each have a pair of IP addresses: docks12.rzone.de has 217.160.80.139 and 2001:8d8:fe:53:5747:2a74:d:12, and shades02.rzone.de has 185.132.34.129 and 2607:f1c0:fe:53:185:132:34:129.
Mail Servers
The sole mail server for cref.de is smtpin.rzone.de.
Among the domains sharing a mail server setup with cref.de are die-inselwerkstatt.de, geestmoor.de, secworks.de and two others.
smtpin.rzone.de points to two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.