stackless.com - dns.ninja
stackless.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 188.40.219.137🇨🇭 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| 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.stackless.com ⭐ | ||||||
| A | 188.40.219.137🇨🇭 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| TXT | openai-domain-verification=dv-yIm8l2bjvdWrzA4U5dZhdMr3 | ||||||
| TXT | v=spf1 a mx -all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-01-15 #0 | ||||||
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=1782713860 | ||||||
rank #175020 in the tld
WOT: SAFE (75/100)
Subdomains
mail.stackless.com |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-07-01 → 2026-06-29 · 2 obs
● 2026-06-29 06:23:32
●NSrobotns2.second-ns.de2015-07-01 → 2026-06-29 · 2 obs
● 2026-06-29 06:23:32
●NSrobotns3.second-ns.com2015-07-01 → 2026-06-29 · 2 obs
● 2026-06-29 06:23:32
●MXmail.stackless.com2015-07-01 → 2026-06-29 · 2 obs
● 2026-06-29 06:23:32
○A176.9.65.902015-07-01 → 2017-02-17 · 4 obs
● 2017-02-17 10:26:26
○ 2026-02-20 04:49:18
○ 2026-06-29 06:23:32
●A188.40.219.1372026-02-20 → 2026-06-29 · 3 obs
● 2026-02-20 04:49:18
● 2026-06-29 06:23:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net... | - |
| stackless.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ Authoritative Response
Server:193.47.99.3
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackless.com (unsigned zone)
⏱️ Timing
Total: 726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.40.219.137 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.stackless.com (pri: 10) |
| TXT | 2 | openai-domain-verification=dv-yIm8l2bjvd, v=spf1 a mx -all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
The domain mail.stackless.com falls under the parent stackless.com.
IP Addresses
stackless.com resolves to just one IP address, 188.40.219.137.
Two other host names, along with mail.diemail.net, immo-fritz.com and stephankleiber.de, also share IP numbers with stackless.com.
Name Servers
stackless.com has three name servers — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
At least some of stackless.com's name servers are shared with other domains, for example pfahlwerk.ch, paartherapie-kassel.de, xn--frnkischer-bund-1kb.de and two more.
These name servers are often deployed together with the name servers hydrogen.ns.hetzner.com, names.mfluer.com, dns.mfluer.net and ns1.e-strict.de.
Each of robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de points to two IP numbers. robotns3.second-ns.com points to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de points to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de points to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
The sole mail server for stackless.com is mail.stackless.com.
mail.stackless.com points to one IP number — 188.40.219.137.