openfastmail.com - robtex.com
openfastmail.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775955462 | ||||||
Subdomains
mail.openfastmail.com |
Same first word
openfastmail.com |
DNS History
7 records (6 active, 1 former)
●NSnsa6.schlundtech.de2015-08-01 → 2026-04-12 · 2 obs
● 2026-04-12 01:14:06
●NSnsb6.schlundtech.de2015-08-01 → 2026-04-12 · 2 obs
● 2026-04-12 01:14:06
●NSnsc6.schlundtech.de2015-08-01 → 2026-04-12 · 2 obs
● 2026-04-12 01:14:06
●NSnsd6.schlundtech.de2015-08-01 → 2026-04-12 · 2 obs
● 2026-04-12 01:14:06
●MXmail.openfastmail.com2015-08-01 → 2026-04-12 · 2 obs
● 2026-04-12 01:14:06
○A41.208.68.1202015-08-01 → 2017-11-20 · 4 obs
● 2017-11-20 01:25:08
○ 2026-03-16 09:22:58
○ 2026-04-12 01:14:06
●A94.156.44.812026-03-16 → 2026-04-12 · 3 obs
● 2026-03-16 09:22:58
● 2026-04-12 01:14:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| openfastmail.com | nsa6.schlundtech.de, nsb6.schlundtech.de, nsc6.schlundtech.de, nsd6.schlundtech.de | - |
✅ Authoritative Response
Server:185.132.35.227
NS records: nsa6.schlundtech.de, nsb6.schlundtech.de, nsc6.schlundtech.de, nsd6.schlundtech.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openfastmail.com (unsigned zone)
⏱️ Timing
Total: 385ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.156.44.81 |
| NS | 4 | nsb6.schlundtech.de, nsd6.schlundtech.de... |
| MX | 1 | mail.openfastmail.com (pri: 10) |
| SOA | 1 | nsa6.schlundtech.de domainverwaltung.adm |
Analysis
Hierarchy
openfastmail.com is the parent of mail.openfastmail.com.
IP Addresses
openfastmail.com resolves to a single IP address: 94.156.44.81.
Other host names including mail.kds-aktuell.de, evox.biz, mail.gdservices.org, ns.innedoc.com and mail.fubon-bnk.com share IP numbers with openfastmail.com.
Name Servers
openfastmail.com is delegated to four name servers: nsa6.schlundtech.de, nsb6.schlundtech.de, nsc6.schlundtech.de and nsd6.schlundtech.de.
openfastmail.com at least partially shares name servers with other domains, including klimaprofis.eu, architekturbuero-koenig.de, 910910.de, tk-srv.de and perkute.de.
Hosts with two IP numbers:
Host nsa6.schlundtech.de points to 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227
Host nsb6.schlundtech.de points to 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227
Host nsc6.schlundtech.de points to 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227
Host nsd6.schlundtech.de points to 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227
Mail Servers
openfastmail.com is handled by a single mail server, mail.openfastmail.com.
openfastmail.com uses the same mail server setup as other domains, such as mail.openfastmail.com.
mail.openfastmail.com points to a single IP: 94.156.44.81.