semrun.com - dns.ninja
semrun.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=1785503072 | ||||||
Subdomains
www.semrun.com |
Same first word
semrun.com |
Similar names
DNS History
22 records (8 active, 14 former)
○NSns1.brandonkiefer.com2015-11-05 → 2017-06-14 · 5 obs
● 2015-11-05 15:49:32
● 2017-06-14 19:35:28
○ 2021-03-24 13:56:08
○ 2026-07-31 13:24:08
○NSns1.mithrilnetwork.com2015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-05 15:49:32
○ 2026-07-31 13:24:08
○NSns2.brandonkiefer.com2015-11-05 → 2017-06-14 · 5 obs
● 2015-11-05 15:49:32
● 2017-06-14 19:35:28
○ 2021-03-24 13:56:08
○ 2026-07-31 13:24:08
○NSns2.mithrilnetwork.com2015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-05 15:49:32
○ 2026-07-31 13:24:08
●NSns21.cloudns.net2021-03-24 → 2026-07-31 · 3 obs
● 2021-03-24 13:56:08
● 2026-07-31 13:24:08
●NSpns21.cloudns.net2021-03-24 → 2026-07-31 · 3 obs
● 2021-03-24 13:56:08
● 2026-07-31 13:24:08
●NSpns22.cloudns.net2021-03-24 → 2026-07-31 · 3 obs
● 2021-03-24 13:56:08
● 2026-07-31 13:24:08
●NSpns23.cloudns.net2021-03-24 → 2026-07-31 · 3 obs
● 2021-03-24 13:56:08
● 2026-07-31 13:24:08
●NSpns24.cloudns.net2021-03-24 → 2026-07-31 · 3 obs
● 2021-03-24 13:56:08
● 2026-07-31 13:24:08
○MXalt1.aspmx.l.google.com2015-06-26 → 2021-04-06 · 7 obs
● 2016-11-29 13:44:20
○ 2017-06-14 19:35:28
● 2021-03-24 13:56:08
● 2021-04-06 01:56:04
○ 2026-06-22 01:22:32
○ 2026-07-31 13:24:08
○MXalt2.aspmx.l.google.com2015-06-26 → 2021-04-06 · 7 obs
● 2016-11-29 13:44:20
○ 2017-06-14 19:35:28
● 2021-03-24 13:56:08
● 2021-04-06 01:56:04
○ 2026-06-22 01:22:32
○ 2026-07-31 13:24:08
○MXalt3.aspmx.l.google.com2015-06-26 → 2021-04-06 · 7 obs
● 2016-11-29 13:44:20
○ 2017-06-14 19:35:28
● 2021-03-24 13:56:08
● 2021-04-06 01:56:04
○ 2026-06-22 01:22:32
○ 2026-07-31 13:24:08
○MXalt4.aspmx.l.google.com2015-06-26 → 2021-04-06 · 7 obs
● 2016-11-29 13:44:20
○ 2017-06-14 19:35:28
● 2021-03-24 13:56:08
● 2021-04-06 01:56:04
○ 2026-06-22 01:22:32
○ 2026-07-31 13:24:08
○MXaspmx.l.google.com2015-06-26 → 2021-04-06 · 7 obs
● 2016-11-29 13:44:20
○ 2017-06-14 19:35:28
● 2021-03-24 13:56:08
● 2021-04-06 01:56:04
○ 2026-06-22 01:22:32
○ 2026-07-31 13:24:08
○MXaspmx.l.google.com.semrun.com2017-06-14 → 2017-06-14 · 4 obs
● 2017-06-14 19:35:28
○ 2021-03-24 13:56:08
○ 2026-07-31 13:24:08
○MXbox.semrun.com2017-06-14 → 2017-06-14 · 4 obs
● 2017-06-14 19:35:28
○ 2021-03-24 13:56:08
○ 2026-07-31 13:24:08
●MXin1-smtp.messagingengine.com2026-06-22 → 2026-07-31 · 3 obs
● 2026-06-22 01:22:32
● 2026-07-31 13:24:08
●MXin2-smtp.messagingengine.com2026-06-22 → 2026-07-31 · 3 obs
● 2026-06-22 01:22:32
● 2026-07-31 13:24:08
○A192.99.81.1542017-06-14 → 2017-06-14 · 4 obs
● 2017-06-14 19:35:28
○ 2021-03-24 13:56:08
○ 2026-07-31 13:24:08
○A216.107.152.1302015-11-05 → 2016-11-29 · 5 obs
● 2015-11-05 15:49:32
● 2016-11-29 13:44:20
○ 2017-06-14 19:35:28
○ 2026-07-31 13:24:08
●A66.70.231.2412021-03-24 → 2026-07-31 · 3 obs
● 2021-03-24 13:56:08
● 2026-07-31 13:24:08
○A72.52.238.672015-06-26 → 2015-06-26 · 3 obs
○ 2015-11-05 15:49:32
○ 2026-07-31 13:24:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| semrun.com | pns22.cloudns.net, pns24.cloudns.net, pns23.cloudns.net, pns21.cloudns.net | - |
✅ Authoritative Response
Server:185.136.96.96
NS records: pns22.cloudns.net, pns24.cloudns.net, pns23.cloudns.net, pns21.cloudns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semrun.com (unsigned zone)
⏱️ Timing
Total: 628ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.70.231.241 |
| NS | 4 | pns24.cloudns.net, pns21.cloudns.net... |
| MX | 2 | in2-smtp.messagingengine.com (pri: 20), in1-smtp.messagingengine.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.messagingengine.com ? |
| SOA | 1 | ns21.cloudns.net support.cloudns.net |
Analysis
Hierarchy
The domain www.semrun.com falls under the parent semrun.com.
IP Addresses
semrun.com has exactly one IP address — 66.70.231.241.
ip241.ip-66-70-231.net is an example of another host name that shares IP numbers with semrun.com.
Name Servers
Five name servers handle delegation for semrun.com: ns21.cloudns.net, pns21.cloudns.net, pns22.cloudns.net and two others.
At least some of semrun.com's name servers are shared with other domains, for example unmbris.xyz, urmatt-flexibles.com, gixiluros.com and two more.
These name servers tend to co-occur with pns23.cloudns.net, pns24.cloudns.net, ns22.cloudns.net and 7 other name servers in the same DNS delegations.
Host names pointing to two IP addresses:
ns21.cloudns.net resolves to 109.201.133.61 and 2a00:1768:1001:9::21.
pns21.cloudns.net resolves to 185.136.96.96 and 2a06:fb00:1::1:96.
pns22.cloudns.net resolves to 185.136.97.96 and 2a06:fb00:1::2:96.
pns23.cloudns.net resolves to 185.136.98.96 and 2a06:fb00:1::3:96.
pns24.cloudns.net resolves to 185.136.99.96 and 2a06:fb00:1::4:96.
Mail Servers
semrun.com uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.
The mail server setup of semrun.com matches that of other domains such as johnkitchen.net, nonclose.com, rivermediallc.com and two others.
The mail servers of semrun.com overlap at least partially with those of other domains, including oilguardmonitoring.com, markuskoskinen.com and cottoncrown.com.
Hosts with 8 IP addresses each:
in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.
Host names with four IP addresses:
in2-smtp.messagingengine.com directs to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.