principlesofprogramdesign.com - robtex.com
principlesofprogramdesign.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.40.34.41🇨🇦 TUCOWS216.40.34.0/24 | ||||||
| NS | ns1.hover.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:26🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.hover.com | ||||||
| A | 216.40.47.26🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.hover.com | ||||||
| NS | ns2.hover.com | ||||||
| A | 2604:4000:2800:d:64:99:148:13🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.hover.com | ||||||
| A | 64.98.148.13🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.hover.com | ||||||
| MX | mx.hover.com.cust.hostedemail.com ⭐ | ||||||
| A | 216.40.42.4🇨🇦 TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mx.hostedemail.com | ||||||
| TXT | clickfunnels-domain-verification=vDbayQ | ||||||
| SOA | ns1.hover.comdnsmaster@hover.com serial=1792859873 | ||||||
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=1792909396 | ||||||
Same first word
principlesofprogramdesign.com |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●MXmx.hover.com.cust.hostedemail.com2026-09-13 → 2026-10-25 · 2 obs
● 2026-10-25 07:13:24
●A216.40.34.412026-09-13 → 2026-10-25 · 2 obs
● 2026-10-25 07:13:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| principlesofprogramdesign.com | ns1.hover.com, ns2.hover.com | 4 records |
✅ Authoritative Response
Server:64.98.148.13
NS records: ns1.hover.com, ns2.hover.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for principlesofprogramdesign.com (unsigned zone)
⏱️ Timing
Total: 327ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.40.34.41 |
| NS | 2 | ns2.hover.com, ns1.hover.com |
| MX | 1 | mx.hover.com.cust.hostedemail.com (pri: |
| TXT | 1 | clickfunnels-domain-verification=vDbayQ |
| SOA | 1 | ns1.hover.com dnsmaster.hover.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.hover.com, ns1.hover.com, ns2.hover.com...)
Analysis
IP Addresses
principlesofprogramdesign.com resolves to just one IP address, 216.40.34.41.
Two other host names, along with digitalwriting.com, jonsager.com and jtlcb.com, also share IP numbers with principlesofprogramdesign.com.
Name Servers
Two name servers handle the delegation for principlesofprogramdesign.com: ns1.hover.com and ns2.hover.com.
principlesofprogramdesign.com shares its NS records with other domains, for example encinitasdentalgroup.com, bhhstudio.com, capliv.com and two others.
The name servers of principlesofprogramdesign.com overlap at least partially with those of other domains — among them carpentersare.us, interdatos.com, ajeast.com and two more.
These name servers commonly co-occur with the name servers ns3.hover.com, ns1.domaindirect.com, ns2.domaindirect.com and ns3.domaindirect.com.
ns1.hover.com and ns2.hover.com both carry two IP addresses. The A records for ns1.hover.com are 216.40.47.26 and 2604:4000:0:d:216:40:47:26; the A records for ns2.hover.com are 64.98.148.13 and 2604:4000:2800:d:64:99:148:13.
Mail Servers
The sole mail server for principlesofprogramdesign.com is mx.hover.com.cust.hostedemail.com.
Among the domains sharing a mail server setup with principlesofprogramdesign.com are whatarewemaxxing.store, boxyball.com, echopecenter.org and two others.
principlesofprogramdesign.com has mail servers in common with other domains — psycheck.de being one example.
mx.hover.com.cust.hostedemail.com carries a single IP number, which is 216.40.42.4.