mailsf.de - robtex.com
mailsf.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1162::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | wa2.rzone.de | ||||||
| A | 81.169.145.162🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | shades18.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:145🇺🇸 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 | shades18.rzone.de | ||||||
| A | 185.132.34.145🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades18.rzone.de | ||||||
| NS | docks02.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:2🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks02.rzone.de | ||||||
| A | 217.160.80.129🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks02.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 | shades18.rzone.dehostmaster@strato-rz.de 2020-05-31 #15 | ||||||
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=1771291602 | ||||||
Same first word
mailsf.de |
Similar names
DNS History
8 records (5 active, 3 former)
○MXsmtp.rzone.de2015-07-16 → 2016-06-23 · 4 obs
● 2016-06-23 15:26:36
○ 2017-02-16 21:43:26
○ 2026-03-11 16:47:32
●MXsmtpin.rzone.de2017-02-16 → 2026-03-11 · 3 obs
● 2017-02-16 21:43:26
● 2026-03-11 16:47:32
○A2a01:238:20a:202:1150::2015-07-16 → 2018-11-30 · 4 obs
● 2018-11-30 09:01:42
○ 2026-02-15 01:08:30
○ 2026-03-11 16:47:32
●A2a01:238:20a:202:1162::2026-02-15 → 2026-03-11 · 3 obs
● 2026-02-15 01:08:30
● 2026-03-11 16:47:32
○A81.169.145.1502015-07-16 → 2018-11-30 · 4 obs
● 2018-11-30 09:01:42
○ 2026-02-15 01:08:30
○ 2026-03-11 16:47:32
●A81.169.145.1622026-02-15 → 2026-03-11 · 3 obs
● 2026-02-15 01:08:30
● 2026-03-11 16:47:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| mailsf.de | docks02.rzone.de, shades18.rzone.de | - |
✅ Authoritative Response
Server: 217.160.80.129
NS records: docks02.rzone.de, shades18.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailsf.de (unsigned zone)
⏱️ Timing
Total: 976ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.162 |
| AAAA | 1 | 2a01:238:20a:202:1162:: |
| NS | 2 | shades18.rzone.de, docks02.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | shades18.rzone.de hostmaster.strato-rz.d |
Analysis
IP Addresses
The entity mailsf.de points to two IP numbers: 2a01:238:20a:202:1162:: and 81.169.145.162.
For instance, other host names braun-translations.de, literaturtage-recklinghausen.de, akupunktur-wuermtal.de, schaaf-zielinska.de and eszter.de share IP numbers with mailsf.de.
Name Servers
mailsf.de is delegated to two name servers: docks02.rzone.de and shades18.rzone.de.
mailsf.de uses the same name server setup as other domains such as hico.education, rotewand.de, platow.net, ozdyk.eu and medi1.de.
mailsf.de shares name servers with other domains at least partially, for example liske.es, lohmann-bn.de, spedition-boedeker.de, weg-bin-ich.de and firstbite.org.
these name servers are often used with the following: docks18.rzone.de, shades15.rzone.de, shades13.rzone.de, docks15.rzone.de, shades17.rzone.de, shades12.rzone.de, shades19.rzone.de, shades06.rzone.de, docks01.rzone.de and docks04.rzone.de.
Host names with two IP numbers:
docks02.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:2 and 217.160.80.129; shades18.rzone.de points to 2607:f1c0:fe:53:185:132:34:145 and 185.132.34.145.
Mail Servers
mailsf.de is handled by a single mail server, smtpin.rzone.de.
mailsf.de shares the same mail server setup as other domains, for instance freiberger-pferde.de, wiendl.de, mail.bermed.de, telegames.de and bcrk.de.
smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.