hardt-online.org - robtex.com
hardt-online.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.166🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host247.alfahosting-server.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-02-23 #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=1774832197 | ||||||
Subdomains
mail.hardt-online.org |
Same first word
hardt-online.org |
hardt-online.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-07-07 → 2026-03-30 · 2 obs
● 2026-03-30 01:08:56
●NScns2.alfahosting.info2015-07-07 → 2026-03-30 · 2 obs
● 2026-03-30 01:08:56
●NScns3.alfahosting.info2015-07-07 → 2026-03-30 · 2 obs
● 2026-03-30 01:08:56
○MXmail.hardt-online.org2015-07-07 → 2017-03-31 · 4 obs
● 2017-03-31 13:18:48
○ 2026-02-15 20:46:38
○ 2026-03-30 01:08:56
●MXmx03.secure-mailgate.com2026-02-15 → 2026-03-30 · 3 obs
● 2026-02-15 20:46:38
● 2026-03-30 01:08:56
●MXmx04.secure-mailgate.com2026-02-15 → 2026-03-30 · 3 obs
● 2026-02-15 20:46:38
● 2026-03-30 01:08:56
○A109.237.138.182015-07-07 → 2017-03-31 · 4 obs
● 2017-03-31 13:18:48
○ 2026-02-15 20:46:38
○ 2026-03-30 01:08:56
●A81.88.34.1662026-02-15 → 2026-03-30 · 3 obs
● 2026-02-15 20:46:38
● 2026-03-30 01:08:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| hardt-online.org | cns3.alfahosting.info, cns1.alfahosting.info, cns2.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns3.alfahosting.info, cns1.alfahosting.info, cns2.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hardt-online.org (unsigned zone)
⏱️ Timing
Total: 838ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.166 |
| NS | 3 | cns1.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
The parent of mail.hardt-online.org is hardt-online.org.
IP Addresses
hardt-online.org points to a single IP address: 81.88.34.166.
Other host names such as buelt-noh.de, mail.sonnenhuette-kipsdorf.de, vt600c.de, mail.xn--kochen-ernhrung-9kb.de and tom-immoplus.de share IPs with hardt-online.org.
Name Servers
hardt-online.org is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
hardt-online.org at least partially shares name servers with other domains, for example schroeder-malermeister.de, triumphclick.com, koffer-kangal.at, fiberthree.de and ingenieurwissenschaften.de.
these name servers are commonly used alongside ns8.alfahosting.info name servers.
Host names with two IP numbers:
cns1.alfahosting.info points to 2a01:64c0:0:5000::8 and 109.237.142.8
cns2.alfahosting.info points to 2a01:4f8:2b02:a88::105 and 148.251.254.105
cns3.alfahosting.info points to 2a02:2b80:101:5000::8 and 109.237.143.8
Mail Servers
Two mail servers handle hardt-online.org: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
hardt-online.org shares the same mail server setup as other domains, including kopfdichtung24.de, property-search.at, somfyexperte.de, thier.es and freeread.de.
hardt-online.org shares some mail servers with other domains, for example luckytrimmer.com.
Host names with two IP numbers:
mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176.
mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.