johnknuth.com - robtex.com
johnknuth.com
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=1774533302 | ||||||
Previously MX for
johnknuth.com |
Same first word
johnknuth.com |
DNS History
12 records (6 active, 6 former)
○NSdns1.namecheaphosting.com2015-05-28 → 2017-05-27 · 4 obs
● 2017-05-27 09:59:36
○ 2026-03-24 14:57:26
○ 2026-03-26 14:02:08
○NSdns2.namecheaphosting.com2015-05-28 → 2017-05-27 · 4 obs
● 2017-05-27 09:59:36
○ 2026-03-24 14:57:26
○ 2026-03-26 14:02:08
●NSns-cloud-b1.googledomains.com2026-03-24 → 2026-03-26 · 3 obs
● 2026-03-24 14:57:26
● 2026-03-26 14:02:08
●NSns-cloud-b2.googledomains.com2026-03-24 → 2026-03-26 · 3 obs
● 2026-03-24 14:57:26
● 2026-03-26 14:02:08
●NSns-cloud-b3.googledomains.com2026-03-24 → 2026-03-26 · 3 obs
● 2026-03-24 14:57:26
● 2026-03-26 14:02:08
●NSns-cloud-b4.googledomains.com2026-03-24 → 2026-03-26 · 3 obs
● 2026-03-24 14:57:26
● 2026-03-26 14:02:08
○MXjohnknuth.com2015-05-28 → 2015-10-31 · 4 obs
● 2015-10-31 02:02:56
○ 2016-01-17 21:48:34
○ 2026-03-26 14:02:08
●MXmx2-hosting.jellyfish.systems2026-03-24 → 2026-03-26 · 3 obs
● 2026-03-24 14:57:26
● 2026-03-26 14:02:08
○MXsmx2.web-hosting.com2016-01-17 → 2017-05-27 · 5 obs
● 2016-01-17 21:48:34
● 2017-05-27 09:59:36
○ 2026-03-24 14:57:26
○ 2026-03-26 14:02:08
○MXsmx4.web-hosting.com2016-01-17 → 2017-05-27 · 5 obs
● 2016-01-17 21:48:34
● 2017-05-27 09:59:36
○ 2026-03-24 14:57:26
○ 2026-03-26 14:02:08
●A198.185.159.1442026-03-24 → 2026-03-26 · 3 obs
● 2026-03-24 14:57:26
● 2026-03-26 14:02:08
○A199.188.205.322015-05-28 → 2017-05-27 · 4 obs
● 2017-05-27 09:59:36
○ 2026-03-24 14:57:26
○ 2026-03-26 14:02:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| johnknuth.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.36.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for johnknuth.com (unsigned zone)
⏱️ Timing
Total: 440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.185.159.144 |
| NS | 4 | ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com... |
| MX | 1 | mx2-hosting.jellyfish.systems (pri: 20) |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
IP Addresses
johnknuth.com resolves to a single IP address: 198.185.159.144.
Other host names including warehouseautomation.ca, erikder.com, watersofthegap.com, thepartybuskings.com and lemoulineateryandwinebar.com share IP numbers with johnknuth.com.
Name Servers
johnknuth.com is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
johnknuth.com at least partially shares name servers with other domains, including aplicante.com, joesanfordplumbing.com, mvguns.com, holodeck.systems and fabex.biz.
Hosts with two IP numbers:
Host ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107
Host ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107
Host ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107
Host ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107
Mail Servers
johnknuth.com is handled by a single mail server, mx2-hosting.jellyfish.systems.
johnknuth.com shares its mail server setup with other domains, including semze.com, spartanbuddha.com, tereshko-design.com, engineerunner.com and africalgbt.org.
The mail servers for johnknuth.com are shared with other domains, for instance dr3.sa, verdesalonaz.com, ar-tiste.com, kse-jcu.org and arabianprophets.com.
These mail servers are commonly used alongside mx1-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.
mx2-hosting.jellyfish.systems points to a single IP: 162.255.118.29.