phpsecuritybook.com - robtex.com
phpsecuritybook.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.first-ns.de ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
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=1794440181 | ||||||
Previous names
Next names
DNS History
5 records (2 active, 3 former)
●NSns1.first-ns.de2015-06-17 → 2026-11-11 · 2 obs
● 2026-11-11 23:51:52
●NSrobotns2.second-ns.de2015-06-17 → 2026-11-11 · 2 obs
● 2026-11-11 23:51:52
○NSrobotns3.second-ns.com2015-06-17 → 2017-05-16 · 4 obs
● 2017-05-16 20:47:08
○ 2026-11-11 23:51:50
○ 2026-11-11 23:51:52
○MXmail.phpsecuritybook.com2015-06-17 → 2017-05-16 · 4 obs
● 2017-05-16 20:47:08
○ 2026-11-11 23:51:50
○ 2026-11-11 23:51:52
○A78.47.170.2042015-06-17 → 2017-05-16 · 4 obs
● 2017-05-16 20:47:08
○ 2026-11-11 23:51:50
○ 2026-11-11 23:51:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net... | - |
| phpsecuritybook.com | ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 491ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Two name servers handle the delegation for phpsecuritybook.com: ns1.first-ns.de and robotns2.second-ns.de.
The name server configuration of phpsecuritybook.com is shared with other domains, for instance vzwei.de, haus-bau-messe-ilsede.de, mpgm.net and two others.
There is at least partial name server overlap between phpsecuritybook.com and other domains — dominikboehler.de, bnerd.net, heroicshop.com and two more among them.
These name servers are routinely deployed together with the name servers robotns3.second-ns.com.
ns1.first-ns.de and robotns2.second-ns.de both carry two IP addresses. The A records for ns1.first-ns.de are 213.239.242.238 and 2a01:4f8:0:a101::a:1; the A records for robotns2.second-ns.de are 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.