backreference.com - dns.ninja
backreference.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.15.206.71🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| NS | ns2.medtronic.com ⭐ | ||||||
| A | 144.15.255.10🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | ns2.medtronic.com | ||||||
| NS | ns3.medtronic.com | ||||||
| A | 144.15.238.202🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | ns3.medtronic.com | ||||||
| NS | ns4.medtronic.com | ||||||
| A | 144.15.255.33🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | ns4.medtronic.com | ||||||
| NS | ns5.medtronic.com | ||||||
| A | 144.15.238.210🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | ns5.medtronic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.medtronic.comhostmaster@medtronic.com 2013-08-26 #37 | ||||||
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=1782239475 | ||||||
Same first word
backreference.org |
backreference.net |
backreference.com |
DNS History
7 records (5 active, 2 former)
●NSns2.medtronic.com2015-06-20 → 2026-06-23 · 2 obs
● 2026-06-23 18:43:14
●NSns3.medtronic.com2015-06-20 → 2026-06-23 · 2 obs
● 2026-06-23 18:43:14
●NSns4.medtronic.com2015-06-20 → 2026-06-23 · 2 obs
● 2026-06-23 18:43:14
●NSns5.medtronic.com2015-06-20 → 2026-06-23 · 2 obs
● 2026-06-23 18:43:14
○MXmail.messaging.microsoft.com2015-06-20 → 2026-02-15 · 4 obs
● 2026-02-15 20:10:18
○ 2026-03-08 14:45:16
○ 2026-06-23 18:43:14
○A144.15.206.422015-06-20 → 2016-09-13 · 4 obs
● 2016-09-13 09:41:10
○ 2026-02-15 20:10:18
○ 2026-06-23 18:43:14
●A144.15.206.712026-02-15 → 2026-06-23 · 3 obs
● 2026-02-15 20:10:18
● 2026-06-23 18:43:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| backreference.com | ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com, ns5.medtronic.com | 4 records |
✅ Authoritative Response
Server:144.15.238.210
NS records: ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com, ns5.medtronic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backreference.com (unsigned zone)
⏱️ Timing
Total: 901ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.15.206.71 |
| NS | 4 | ns3.medtronic.com, ns5.medtronic.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.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
backreference.com resolves to just one IP address, 144.15.206.71.
Two other host names, along with symplicityforbloodpressure.com, medtronicsurescan.co.uk and physiocontrol.at, also share IP numbers with backreference.com.
Name Servers
The NS records for backreference.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 backreference.com and other domains — bakkenlegacy.com, solvcanhelp.com, alarmrelief.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.