certainhost.com - robtex.com
certainhost.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.198.140.90🇺🇸 DIGITALOCEAN143.198.128.0/20 DigitalOcean | ||||||
| PTR | duokvm7.duoservers.com | ||||||
| NS | ns1.certainhost.com ⭐ | ||||||
| A | 198.23.54.254🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | ns2.certainhost.com | ||||||
| A | 198.23.56.254🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | hosted.by.liquidnetlimited.com | ||||||
| NS | ns3.certainhost.com | ||||||
| A | 94.136.171.52🇬🇧 UKSERVERS-AS94.136.168.0/22 | ||||||
| PTR | dns3.supremedns.com | ||||||
| NS | ns4.certainhost.com | ||||||
| A | 185.196.102.2🇬🇧 FICOLO185.196.102.0/24 | ||||||
| PTR | dns4.supremedns.com | ||||||
| MX | mx.certainhost.com ⭐ | ||||||
| A | 198.23.53.52🇺🇸 AS14555198.23.48.0/20 LiquidNet US LLC | ||||||
| PTR | mail.supremecenter.com | ||||||
| SOA | ns1.certainhost.comroot@certainhost.com serial=1768752735 | ||||||
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=1771291435 | ||||||
Previously NS for
certainhost.com |
Subdomains
pdns2.certainhost.com |
ns4.certainhost.com |
mx1.certainhost.com |
ns1.certainhost.com |
ns3.certainhost.com |
ns2.certainhost.com |
mx.certainhost.com |
mx2.certainhost.com |
Same first word
certainhost.com |
Similar names
DNS History
9 records (6 active, 3 former)
○NScertainhost.com2015-07-08 → 2017-08-30 · 4 obs
● 2017-08-30 23:15:58
○ 2026-03-14 22:55:44
○ 2026-03-15 20:11:42
●NSns1.certainhost.com2015-07-08 → 2026-03-15 · 2 obs
● 2026-03-15 20:11:42
●NSns2.certainhost.com2015-07-08 → 2026-03-15 · 2 obs
● 2026-03-15 20:11:42
●NSns3.certainhost.com2015-07-08 → 2026-03-15 · 2 obs
● 2026-03-15 20:11:42
●NSns4.certainhost.com2015-07-08 → 2026-03-15 · 2 obs
● 2026-03-15 20:11:42
●MXmx.certainhost.com2015-07-08 → 2026-03-15 · 2 obs
● 2026-03-15 20:11:42
●A143.198.140.902026-03-14 → 2026-03-15 · 3 obs
● 2026-03-14 22:55:44
● 2026-03-15 20:11:42
○A192.73.233.142015-07-08 → 2017-08-30 · 8 obs
● 2015-11-18 16:08:12
○ 2016-02-12 12:25:28
○ 2016-06-29 08:17:26
● 2017-06-28 18:11:42
● 2017-08-30 23:15:58
○ 2026-03-14 22:55:44
○ 2026-03-15 20:11:42
○A198.23.53.152016-02-12 → 2016-06-29 · 5 obs
● 2016-02-12 12:25:28
● 2016-06-29 08:17:26
○ 2017-06-28 18:11:42
○ 2026-03-15 20:11:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| certainhost.com | ns1.certainhost.com, ns2.certainhost.com, ns3.certainhost.com, ns4.certainhost.com | 4 records |
✅ Authoritative Response
Server: 198.23.54.254
NS records: ns1.certainhost.com, ns2.certainhost.com, ns3.certainhost.com, ns4.certainhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certainhost.com (unsigned zone)
⏱️ Timing
Total: 442ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.198.140.90 |
| NS | 4 | ns2.certainhost.com, ns3.certainhost.com... |
| MX | 1 | mx.certainhost.com (pri: 10) |
| SOA | 1 | ns1.certainhost.com root.certainhost.com |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.certainhost.com, ns2.certainhost.com, ns3.certainhost.com...)
Analysis
Hierarchy
certainhost.com is a parent of pdns2.certainhost.com, ns4.certainhost.com, mx1.certainhost.com, ns1.certainhost.com, ns3.certainhost.com and a few other host names.
IP Addresses
certainhost.com points to a single IP address: 143.198.140.90.
Other host names such as durhamwebs.com, niveda.duoservers.com, ibdwl.duoservers.com, crenethosting.com and bcworks.duoservers.com share IPs with certainhost.com.
Name Servers
certainhost.com is delegated to four name servers: ns1.certainhost.com, ns2.certainhost.com, ns3.certainhost.com and ns4.certainhost.com.
certainhost.com partially shares name servers with other domains, for example amazingballoon.com and icontactworld.com.
Host names with one IP number:
ns1.certainhost.com points to: 198.23.54.254
ns2.certainhost.com points to: 198.23.56.254
ns3.certainhost.com points to: 94.136.171.52
ns4.certainhost.com points to: 185.196.102.2
Mail Servers
The mx.certainhost.com mail server handles certainhost.com.
mx.certainhost.com points to a single IP number: 198.23.53.52.