4ext.info - robtex.com
4ext.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.47.243.45🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | static.45.243.47.78.clients.your-server.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.4ext.info ⭐ | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #0 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1777037069 | ||||||
Subdomains
mail.4ext.info |
Same first word
Similar names
ext4.com.br |
tex4.com |
e4tx.com |
4tex.com |
ext4.ru |
ext4.xyz |
4tex.com.br |
4tex.at |
xt4e.com |
et4x.com |
4tex.de |
xet4.vip |
tex4.dev |
4tex.net |
t4ex.com |
ext4.com |
tex4.life |
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-07-15 → 2026-04-24 · 2 obs
● 2026-04-24 13:33:30
●NSrobotns2.second-ns.de2015-11-23 → 2026-04-24 · 3 obs
● 2015-11-23 11:00:32
● 2026-04-24 13:33:30
●NSrobotns3.second-ns.com2015-11-23 → 2026-04-24 · 3 obs
● 2015-11-23 11:00:32
● 2026-04-24 13:33:30
●MXmail.4ext.info2015-07-15 → 2026-04-24 · 2 obs
● 2026-04-24 13:33:30
●A78.47.243.452015-07-15 → 2026-04-24 · 2 obs
● 2026-04-24 13:33:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| 4ext.info | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4ext.info (unsigned zone)
⏱️ Timing
Total: 782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.47.243.45 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.4ext.info (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
The parent of mail.4ext.info is 4ext.info.
IP Addresses
4ext.info points to IP number: 78.47.243.45.
Other host names for instance 4ext.at, mail.4ext.at, simpartner.servers.li and static.45.243.47.78.clients.your-server.de share IP numbers with 4ext.info.
Name Servers
4ext.info is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
4ext.info at least partially shares name servers with other domains, for instance esv.swiss, imta.ch, mvbdpl.info, grotehof.de and darkfive.net.
these name servers are often used in conjunction with the name servers ns1.your-server.de.
Host robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3; Host ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238; Host robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.
Mail Servers
4ext.info is handled by a single mail server, mail.4ext.info.
mail.4ext.info points to a single IP: 213.239.242.238.