virchow.ch - robtex.com
virchow.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.233.87.147🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| PTR | t2-91.233.87.147.prohost.de | ||||||
| NS | ns1.prodns.de ⭐ | ||||||
| A | 13.248.213.54🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a93aba133e46b51cd.awsglobalaccelerator.com | ||||||
| NS | ns2.prodns.de | ||||||
| A | 87.238.197.120🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK | ||||||
| PTR | 120.197.238.87.in-addr.arpa | ||||||
| NS | ns3.prodns.de | ||||||
| A | 136.243.102.23🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | 23.102.243.136.in-addr.arpa | ||||||
| MX | mail.virchow.ch ⭐ | ||||||
| A | 91.233.87.22🇩🇪 IPB91.233.84.0/22 -1blu-PI | ||||||
| PTR | mx2bln1.prossl.de | ||||||
| TXT | v=spf1 a mx ip4:91.233.84.0/22 ~all | ||||||
| SOA | ns1.prodns.dednsmaster@prodns.de 2021-01-28 #1 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-03-28 #27 | ||||||
Subdomains
mail.virchow.ch |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXmail.virchow.ch2015-06-27 → 2026-03-28 · 2 obs
● 2026-03-28 13:04:48
○A91.233.85.2312015-06-27 → 2017-02-11 · 4 obs
● 2017-02-11 10:39:56
○ 2019-04-05 01:58:48
○ 2026-03-28 13:04:48
●A91.233.87.1472019-04-05 → 2026-03-28 · 3 obs
● 2019-04-05 01:58:48
● 2026-03-28 13:04:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| virchow.ch | ns1.prodns.de, ns2.prodns.de, ns3.prodns.de | - |
✅ Authoritative Response
Server:136.243.102.23
NS records: ns1.prodns.de, ns2.prodns.de, ns3.prodns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for virchow.ch (unsigned zone)
⏱️ Timing
Total: 958ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.233.87.147 |
| NS | 3 | ns3.prodns.de, ns2.prodns.de... |
| MX | 1 | mail.virchow.ch (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:91.233.84.0/22 ~all |
| SOA | 1 | ns1.prodns.de dnsmaster.prodns.de |
Analysis
Hierarchy
The parent of mail.virchow.ch is virchow.ch.
IP Addresses
virchow.ch points to an IP address: 91.233.87.147.
other host names include virchow.eu, virchow.at, der-buchsalon.de, virchow.de and buchhandlung-virchow.de; they share IP numbers with virchow.ch.
Name Servers
virchow.ch is delegated to three name servers ns1.prodns.de, ns2.prodns.de and ns3.prodns.de.
virchow.ch at least partially shares name servers with other domains, for instance maechtig.ch, pcdiscountonline.de, screenshock.com, hausarztteam-sv.de and markisen-technik.de.
These name servers are commonly used with the name servers ns2.prodns.eu, ns5.prodns.de, ns4.prodns.eu, ns3.w3w.de, ns4.w3w.info, ns1.w3w.de, ns5.w3w.de and ns2.w3w.info.
Host names with one IP:
ns1.prodns.de points to 13.248.213.54; ns2.prodns.de points to 87.238.197.120; ns3.prodns.de points to 136.243.102.23.
Mail Servers
virchow.ch is handled by a single mail server, mail.virchow.ch.
The host name mail.virchow.ch points to IP 91.233.87.22.