semaphorecomputing.com - dns.ninja

semaphorecomputing.com

DNSSEC⚠️ Not signed
A185.151.30.191🇬🇧 TWENTYI185.151.30.0/24
PTR185-151-30-191.ptr4.stackcp.net
NSns1.stackdns.com ⭐
A35.197.225.59🇬🇧 Google35.197.224.0/20
PTR59.225.197.35.bc.googleusercontent.com
NSns2.stackdns.com
A146.148.28.88🇧🇪 Google146.148.16.0/20
PTR88.28.148.146.bc.googleusercontent.com
NSns3.stackdns.com
A35.198.79.191🇩🇪 Google35.198.64.0/20
PTR191.79.198.35.bc.googleusercontent.com
NSns4.stackdns.com ⚠️ Not in parent delegation
A104.196.137.209🇺🇸 Google104.196.128.0/20
PTR209.137.196.104.bc.googleusercontent.com
MXmx.stackmail.com ⭐
A185.151.28.67🇬🇧 TWENTYI185.151.28.0/24
PTRmx.stackmail.com
TXTv=spf1 include:spf.stackmail.com a mx -all
SOAns1.stackdns.comhostmaster@stackdns.com serial=1781813274

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785975044

PTR for

194.81.92.77.in-addr.arpa

Same first word

semaphorecomputing.com

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSns1.stackdns.comns2.stackdns.comns3.stackdns.comns4.stackdns.comdns1.uk2.netdns2.uk2.netdns3.uk2.netultra103.uk2.netultra104.uk2.netMXmx.stackmail.commx.semaphorecomputing.com.cust.a.hostedemail.comA185.151.30.191212.78.77.11077.92.81.19477.92.81.199
○NSdns1.uk2.net2017-01-19 → 2020-02-22 · 5 obs
○ 2016-04-20 17:03:26
● 2017-01-19 16:08:52
● 2020-02-22 05:42:36
○ 2026-02-20 19:04:08
○ 2026-08-06 00:31:02
○NSdns2.uk2.net2017-01-19 → 2020-02-22 · 5 obs
○ 2016-04-20 17:03:26
● 2017-01-19 16:08:52
● 2020-02-22 05:42:36
○ 2026-02-20 19:04:08
○ 2026-08-06 00:31:02
○NSdns3.uk2.net2017-01-19 → 2020-02-22 · 5 obs
○ 2016-04-20 17:03:26
● 2017-01-19 16:08:52
● 2020-02-22 05:42:36
○ 2026-02-20 19:04:08
○ 2026-08-06 00:31:02
●NSns1.stackdns.com2026-02-20 → 2026-08-06 · 3 obs
○ 2020-02-22 05:42:36
● 2026-02-20 19:04:08
● 2026-08-06 00:31:02
●NSns2.stackdns.com2026-02-20 → 2026-08-06 · 3 obs
○ 2020-02-22 05:42:36
● 2026-02-20 19:04:08
● 2026-08-06 00:31:02
●NSns3.stackdns.com2026-02-20 → 2026-08-06 · 3 obs
○ 2020-02-22 05:42:36
● 2026-02-20 19:04:08
● 2026-08-06 00:31:02
●NSns4.stackdns.com2026-02-20 → 2026-08-06 · 3 obs
○ 2020-02-22 05:42:36
● 2026-02-20 19:04:08
● 2026-08-06 00:31:02
○NSultra103.uk2.net2015-06-09 → 2020-02-22 · 6 obs
● 2015-06-09 21:15:00
● 2016-04-20 17:03:26
○ 2017-01-19 16:08:52
● 2020-02-22 05:42:36
○ 2026-02-20 19:04:08
○ 2026-08-06 00:31:02
○NSultra104.uk2.net2015-06-09 → 2016-04-20 · 4 obs
● 2015-06-09 21:15:00
● 2016-04-20 17:03:26
○ 2017-01-19 16:08:52
○ 2026-08-06 00:31:02
○MXmx.semaphorecomputing.com.cust.a.hostedemail.com2015-06-09 → 2020-02-22 · 4 obs
● 2015-06-09 21:15:00
● 2020-02-22 05:42:36
○ 2026-02-20 19:04:08
○ 2026-08-06 00:31:02
●MXmx.stackmail.com2026-02-20 → 2026-08-06 · 3 obs
○ 2020-02-22 05:42:36
● 2026-02-20 19:04:08
● 2026-08-06 00:31:02
●A185.151.30.1912026-08-06 → 2026-08-06 · 2 obs
○ 2026-03-23 06:27:26
● 2026-08-06 00:31:02
○A212.78.77.1102026-02-20 → 2026-03-23 · 4 obs
○ 2020-02-22 05:42:36
● 2026-02-20 19:04:08
● 2026-03-23 06:27:26
○ 2026-08-06 00:31:02
○A77.92.81.1942017-01-19 → 2020-02-22 · 5 obs
○ 2016-04-20 17:03:26
● 2017-01-19 16:08:52
● 2020-02-22 05:42:36
○ 2026-02-20 19:04:08
○ 2026-08-06 00:31:02
○A77.92.81.1992015-06-09 → 2016-04-20 · 4 obs
● 2015-06-09 21:15:00
● 2016-04-20 17:03:26
○ 2017-01-19 16:08:52
○ 2026-08-06 00:31:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...-
semaphorecomputing.comns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com3 records

✅ Authoritative Response

Server:35.197.225.59

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for semaphorecomputing.com (unsigned zone)

⏱️ Timing

Total: 434ms | Queries: -

📄 Records

TypeCountSample Data
A1185.151.30.191
NS4ns2.stackdns.com, ns4.stackdns.com...
MX1mx.stackmail.com (pri: 0)
TXT1v=spf1 include:spf.stackmail.com a mx -a
SOA1ns1.stackdns.com hostmaster.stackdns.com

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com)

Analysis

IP Addresses

semaphorecomputing.com directs to one IP number, which is 185.151.30.191.

Among the host names that share IP numbers with semaphorecomputing.com are laidlawstiel.com, search.advids.io, www.benshamcentre.co.uk and two others.

Name Servers

The domain semaphorecomputing.com is delegated to these four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

semaphorecomputing.com shares at least some of its name servers with other domains, including fgburnett.co.uk, power-jet.net, bradleyandbenson.com and two others.

ns1.stackdns.com resolves to 35.197.225.59. ns2.stackdns.com resolves to 146.148.28.88. ns3.stackdns.com resolves to 35.198.79.191. ns4.stackdns.com resolves to 104.196.137.209. All four hosts carry exactly one IP address.

Mail Servers

semaphorecomputing.com routes its mail through a single mail server, mx.stackmail.com.

semaphorecomputing.com has the same mail server arrangement as a number of other domains, for example andrewscarpetclean.co.uk, studio404.design, shortletnigeria.com.ng and two more.

semaphorecomputing.com shares at least some of its mail servers with other domains, such as lwimages.com and sustineriworld.com.

mx.stackmail.com resolves to a single IP number: 185.151.28.67.