back.com - dns.ninja

back.com

DNSSEC⚠️ Not signed
A144.15.206.53🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
NSns2.medtronic.com ⭐
A144.15.255.10🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
NSns3.medtronic.com
A144.15.238.202🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
PTRns3.medtronic.com
NSns4.medtronic.com
A144.15.255.33🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
NSns5.medtronic.com
A144.15.238.210🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown
MXtibula.spineport.com ⭐
MXfibula.spineport.com(100)
TXTv=spf1 -all
SOAns2.medtronic.comhostmaster@medtronic.com 2014-04-15 #23

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=1782286615
WOT: SAFE (79/100)

Same first word

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DNS History

7 records (7 active, 0 former)

20162017201820192020202120222023202420252026NSns2.medtronic.comns3.medtronic.comns4.medtronic.comns5.medtronic.comMXfibula.spineport.comtibula.spineport.comA144.15.206.53
●NSns2.medtronic.com2015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48
●NSns3.medtronic.com2015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48
●NSns4.medtronic.com2015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48
●NSns5.medtronic.com2015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48
●MXfibula.spineport.com2015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48
●MXtibula.spineport.com2015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48
●A144.15.206.532015-07-22 → 2026-06-24 · 2 obs
● 2015-07-22 05:47:24
● 2026-06-24 07:51:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
back.comns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com, ns5.medtronic.com4 records

✅ Authoritative Response

Server:144.15.255.10

NS records: ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com, ns5.medtronic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

TypeCountSample Data
A1144.15.206.53
NS4ns3.medtronic.com, ns4.medtronic.com...
MX2tibula.spineport.com (pri: 0), fibula.spineport.com (pri: 100)
TXT1v=spf1 -all
SOA1ns2.medtronic.com hostmaster.medtronic.c

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com...)

Analysis

IP Addresses

back.com resolves to just one IP address, 144.15.206.53.

Two other host names, along with learnaboutcoloncancer.com, homecareventilation.com and vatssurgery.com, also share IP numbers with back.com.

Name Servers

The NS records for back.com point to four name servers: ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com and ns5.medtronic.com.

There is at least partial name server overlap between back.com and other domains — kyphosis.org, hablandoobesidad.com, vitatrontherapy.com and two more among them.

The hosts ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com and ns5.medtronic.com all resolve to exactly one IP address each: 144.15.255.10, 144.15.238.202, 144.15.255.33 and 144.15.238.210 respectively.

Mail Servers

back.com is served by two mail servers, fibula.spineport.com and tibula.spineport.com.

Among the domains sharing a mail server setup with back.com are neckreference.com, checkyourchild.com, microfrance.ca and two others.