coolmule.de - robtex.com
coolmule.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 84.38.78.59🇩🇪 ISPONE84.38.78.0/23 | ||||||
| NS | dns1.ispone-business.de ⭐ | ||||||
| A | 2a00:5080:4:1::2🇩🇪 ISPONE2a00:5080::/32 | ||||||
| PTR | dns2.ispone-business.de | ||||||
| A | 84.38.79.92🇩🇪 ISPONE84.38.78.0/23 | ||||||
| PTR | server92.vserver-on.de | ||||||
| NS | dns2.ispone-business.de | ||||||
| A | 2a00:5080:4:2::2🇩🇪 ISPONE2a00:5080::/32 | ||||||
| PTR | dns1.ispone-business.de | ||||||
| A | 84.38.64.92🇩🇪 ISPONE84.38.64.0/21 | ||||||
| MX | mail.coolmule.de ⭐ | ||||||
| A | 84.38.78.59🇩🇪 ISPONE84.38.78.0/23 | ||||||
| TXT | v=spf1 ip4:84.38.78.59 -all | ||||||
| SOA | dns1.ispone-business.dehostmaster@ispone-business.de 2026-02-08 #2 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774406262 | ||||||
Subdomains
mail.coolmule.de |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns1.ispone-business.de2015-08-20 → 2026-03-25 · 2 obs
● 2026-03-25 02:47:34
●NSdns2.ispone-business.de2015-08-20 → 2026-03-25 · 2 obs
● 2026-03-25 02:47:34
●MXmail.coolmule.de2015-08-20 → 2026-03-25 · 2 obs
● 2026-03-25 02:47:34
○A84.38.66.1942015-08-20 → 2017-04-10 · 4 obs
● 2017-04-10 15:15:34
○ 2026-02-16 07:02:50
○ 2026-03-25 02:47:34
●A84.38.78.592026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 07:02:50
● 2026-03-25 02:47:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| coolmule.de | dns1.ispone-business.de, dns2.ispone-business.de | 4 records |
✅ Authoritative Response
Server:84.38.64.92
NS records: dns1.ispone-business.de, dns2.ispone-business.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolmule.de (unsigned zone)
⏱️ Timing
Total: 825ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.38.78.59 |
| NS | 2 | dns2.ispone-business.de, dns1.ispone-business.de |
| MX | 1 | mail.coolmule.de (pri: 10) |
| TXT | 1 | v=spf1 ip4:84.38.78.59 -all |
| SOA | 1 | dns1.ispone-business.de hostmaster.ispon |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns2.ispone-business.de, dns1.ispone-business.de, dns2.ispone-business.de...)
Analysis
Hierarchy
coolmule.de is the parent of mail.coolmule.de.
IP Addresses
coolmule.de points to IP number 84.38.78.59.
Other host names, for instance, mail.coolmule.de share IP numbers with coolmule.de.
Name Servers
coolmule.de is delegated to two name servers: dns1.ispone-business.de and dns2.ispone-business.de.
coolmule.de uses the same name server setup as other domains such as 178.67.38.84.in-addr.arpa, 71.65.38.84.in-addr.arpa, 212.66.38.84.in-addr.arpa, martinbarthel.de and weingut-st-urban.de.
coolmule.de shares name servers with other domains at least partially, for example 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.1.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa, 1.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.6.0.0.a.b.b.b.0.8.0.5.0.0.a.2.ip6.arpa, argunet.org, 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.0.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa and 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.0.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa.
These name servers are commonly used with the name servers dns1-ipv6.ispone-business.de and dns2-ipv6.ispone-business.de.
Host names with two IP numbers:
dns1.ispone-business.de points to 2a00:5080:4:1::2 and 84.38.79.92; dns2.ispone-business.de points to 2a00:5080:4:2::2 and 84.38.64.92.
Mail Servers
coolmule.de is handled by a single mail server, mail.coolmule.de.
mail.coolmule.de points to a single IP: 84.38.78.59.