heartlab.org - robtex.com
heartlab.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.141.45.142🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | isengard2-ipless.ows.ch | ||||||
| NS | heartlab.org ⭐ | ||||||
| A | 195.141.45.142🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | isengard2-ipless.ows.ch | ||||||
| NS | darkstar.web-services.com | ||||||
| A | 195.141.44.254🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | eth2-rackmaster.ows.ch | ||||||
| PTR | ns2.lunartis.com | ||||||
| PTR | darkstar.web-services.com | ||||||
| NS | osirix.web-services.com | ||||||
| A | 195.141.40.1🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | osirix.web-services.com | ||||||
| MX | smtp-gw01.ows.ch ⭐ | ||||||
| A | 195.141.44.201🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | smtp-gw01.ows.ch | ||||||
| MX | smtp1.ows.ch(10) | ||||||
| A | 195.141.45.3🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | smtp1.ows.ch | ||||||
| MX | mail.heartlab.org(20) | ||||||
| A | 195.141.44.3🇨🇭 SUNRISE195.141.0.0/16 CH-SUNRISE-970513 sunrise / TDC Switzerland AG | ||||||
| PTR | mail.ows.ch | ||||||
| TXT | v=spf1 ip4:195.141.44.0/24 ip4:195.141.45.0/24 mx include:ows.ch ~all | ||||||
| SOA | heartlab.orghostmaster@ows.ch 2017-11-05 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786941752 | ||||||
NS for
heartlab.org |
Subdomains
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSdarkstar.web-services.com2015-08-22 → 2026-08-17 · 2 obs
● 2026-08-17 04:57:32
●NSheartlab.org2015-08-22 → 2026-08-17 · 2 obs
● 2026-08-17 04:57:32
●NSosirix.web-services.com2015-08-22 → 2026-08-17 · 2 obs
● 2026-08-17 04:57:32
●MXmail.heartlab.org2015-08-22 → 2026-08-17 · 2 obs
● 2026-08-17 04:57:32
●MXsmtp-gw01.ows.ch2026-07-18 → 2026-08-17 · 3 obs
● 2026-07-18 10:54:22
● 2026-08-17 04:57:32
●A195.141.45.1422026-07-27 → 2026-08-17 · 3 obs
● 2026-07-27 12:10:10
● 2026-08-17 04:57:32
○A195.141.45.602015-08-22 → 2017-06-27 · 4 obs
● 2017-06-27 22:18:56
○ 2026-07-27 12:10:10
○ 2026-08-17 04:57:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| heartlab.org | osirix.web-services.com, darkstar.web-services.com | - |
✅ Authoritative Response
Server:195.141.44.254
NS records: osirix.web-services.com, darkstar.web-services.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heartlab.org (unsigned zone)
⏱️ Timing
Total: 898ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.141.45.142 |
| NS | 2 | osirix.web-services.com, darkstar.web-services.com |
| MX | 3 | smtp-gw01.ows.ch (pri: 5), mail.heartlab.org (pri: 20)... |
| TXT | 1 | v=spf1 ip4:195.141.44.0/24 ip4:195.141.4 |
| SOA | 1 | heartlab.org hostmaster.ows.ch |
Analysis
Hierarchy
heartlab.org is the parent domain of mail.heartlab.org and www.heartlab.org.
Name Server Role
heartlab.org serves as a name server for itself — heartlab.org is its own authoritative name server.
darkstar.web-services.com and osirix.web-services.com are often used as name servers in combination with heartlab.org.
IP Addresses
heartlab.org points to a single IP number: 195.141.45.142.
Additional host names — veveyopenair.ch, systec-sa.com, emtnet.com and two others — share IP numbers with heartlab.org.
Name Servers
Authority for heartlab.org is delegated across three name servers: heartlab.org, darkstar.web-services.com and osirix.web-services.com.
At least some of heartlab.org's name servers are shared with other domains, for example 42.141.195.in-addr.arpa, carillonneur.ch, ascci.ch and two more.
These name servers are often deployed together with the name servers darkstar.ows.ch, osirix.ows.ch, dns1.noms.ch and dns2.noms.ch.
heartlab.org points to 195.141.45.142; darkstar.web-services.com points to 195.141.44.254; osirix.web-services.com points to 195.141.40.1 — each hostname maps to exactly one IP address.
Mail Servers
The MX records for heartlab.org list three mail servers: smtp-gw01.ows.ch, smtp1.ows.ch and mail.heartlab.org.
heartlab.org shares mail servers — at least in part — with other domains, including zuluparty.ch, bhenry.ch, ssr3.ch and two others.
These mail servers are frequently seen alongside the mail servers plesk.noms.ch.
smtp-gw01.ows.ch points to 195.141.44.201; smtp1.ows.ch points to 195.141.45.3; mail.heartlab.org points to 195.141.44.3 — each hostname maps to exactly one IP address.