mail.cbolson.com - dns.ninja

mail.cbolson.com

CNAMEcbolson.com
DNSSEC⚠️ Not signed
A31.193.138.136🇬🇧 SIMPLYTRANSIT31.193.128.0/20 Simply Transit Ltd
PTRdarwin.servwise.com
NSns1.servwise.com ⭐
A187.77.183.154🇧🇷 UNSPECIFIED160.0.0.0/3
PTRplanck.servwise.com
NSns2.servwise.com
A31.193.138.136🇬🇧 SIMPLYTRANSIT31.193.128.0/20 Simply Transit Ltd
PTRdarwin.servwise.com
NSns3.servwise.com
A31.193.138.136🇬🇧 SIMPLYTRANSIT31.193.128.0/20 Simply Transit Ltd
PTRdarwin.servwise.com
NSns4.servwise.com
A187.77.183.154🇧🇷 UNSPECIFIED160.0.0.0/3
PTRplanck.servwise.com
MXcbolson.com ⭐
A31.193.138.136🇬🇧 SIMPLYTRANSIT31.193.128.0/20 Simply Transit Ltd
PTRdarwin.servwise.com
TXTv=spf1 +a +mx +ip4:31.193.138.136 ~all
SOAns1.servwise.comhostmaster@servwise.com 2026-06-21 #0

cbolson.com

DNSSEC⚠️ Not signed
A31.193.138.136🇬🇧 SIMPLYTRANSIT31.193.128.0/20 Simply Transit Ltd
NSns1.servwise.com ⭐
NSns2.servwise.com
NSns3.servwise.com
NSns4.servwise.com
MXcbolson.com ⭐
TXTv=spf1 +a +mx +ip4:31.193.138.136 ~all
SOAns1.servwise.comhostmaster@servwise.com 2026-06-21 #0
WOT: SAFE (62/100)
WOT: SAFE (73/100)

Previously MX for

cbolson.com

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DNS History

7 records (1 active, 6 former)

2008201020122014201620182020202220242026NSns1.servwise.comns2.servwise.comns3.servwise.comns4.servwise.comMXcbolson.comA31.193.128.144CNAMEcbolson.com
○NSns1.servwise.com2015-10-26 → 2016-09-29 · 4 obs
● 2015-10-26 19:49:46
● 2016-09-29 23:17:18
○ 2026-07-29 03:58:38
○ 2026-07-29 03:58:44
○NSns2.servwise.com2015-10-26 → 2016-09-29 · 4 obs
● 2015-10-26 19:49:46
● 2016-09-29 23:17:18
○ 2026-07-29 03:58:38
○ 2026-07-29 03:58:44
○NSns3.servwise.com2015-10-26 → 2016-09-29 · 4 obs
● 2015-10-26 19:49:46
● 2016-09-29 23:17:18
○ 2026-07-29 03:58:38
○ 2026-07-29 03:58:44
○NSns4.servwise.com2015-10-26 → 2016-09-29 · 4 obs
● 2015-10-26 19:49:46
● 2016-09-29 23:17:18
○ 2026-07-29 03:58:38
○ 2026-07-29 03:58:44
○MXcbolson.com2015-10-26 → 2016-09-29 · 4 obs
● 2015-10-26 19:49:46
● 2016-09-29 23:17:18
○ 2026-07-29 03:58:38
○ 2026-07-29 03:58:44
○A31.193.128.1442015-06-22 → 2016-09-29 · 4 obs
● 2015-06-22 17:27:30
● 2016-09-29 23:17:18
○ 2026-07-29 03:58:38
○ 2026-07-29 03:58:44
●CNAMEcbolson.com2015-06-22 → 2026-07-29 · 3 obs
○ 2007-12-01 08:21:50
● 2015-06-22 17:27:30
● 2026-07-29 03:58:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
cbolson.comns1.servwise.com, ns2.servwise.com, ns3.servwise.com, ns4.servwise.com4 records

✅ Authoritative Response

Server:187.77.183.154

NS records: ns1.servwise.com, ns2.servwise.com, ns3.servwise.com, ns4.servwise.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbolson.com (unsigned zone)

⏱️ Timing

Total: 2234ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1cbolson.com

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.servwise.com, ns2.servwise.com, ns3.servwise.com...)

Analysis

IP Addresses

mail.cbolson.com has exactly one IP address — 31.193.138.136.

ns3.servwise.com, scriptip.com, kingstonbeekeepers.org.uk plus two other host names have IP numbers in common with mail.cbolson.com.

Name Servers

Four name servers handle the delegation for mail.cbolson.com: ns1.servwise.com, ns2.servwise.com, ns3.servwise.com and ns4.servwise.com.

mail.cbolson.com shares at least some of its name servers with other domains, including iucn-csg.org, darwin.servwise.com, newfineartfoundation.org and two others.

ns1.servwise.com, ns2.servwise.com, ns3.servwise.com and ns4.servwise.com each resolve to a single IP address: ns1.servwise.com resolves to 187.77.183.154, ns2.servwise.com resolves to 31.193.138.136, ns3.servwise.com resolves to 31.193.138.136 and ns4.servwise.com resolves to 187.77.183.154.

ns1.servwise.com along with ns4.servwise.com each resolve to 187.77.183.154 IP addresses.

ns2.servwise.com along with ns3.servwise.com each resolve to 31.193.138.136 IP addresses.

Mail Servers

mail.cbolson.com uses one mail server — cbolson.com.

mail.cbolson.com uses the same mail servers as other domains, including cbolson.com.

cbolson.com carries a single IP number, which is 31.193.138.136.