mail.concentra.net - robtex.com
mail.concentra.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| NS | ns2.afternic.com ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
concentra.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| NS | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.afternic.com2026-04-01 → 2026-04-25 · 3 obs
● 2026-04-01 04:12:00
● 2026-04-25 05:44:12
○NSns1.sedoparking.com2015-06-12 → 2016-09-12 · 4 obs
● 2016-09-12 07:36:38
○ 2026-04-01 04:12:00
○ 2026-04-25 05:44:12
●NSns2.afternic.com2026-04-01 → 2026-04-25 · 3 obs
● 2026-04-01 04:12:00
● 2026-04-25 05:44:12
○NSns2.sedoparking.com2015-06-12 → 2016-09-12 · 4 obs
● 2016-09-12 07:36:38
○ 2026-04-01 04:12:00
○ 2026-04-25 05:44:12
○MXlocalhost2016-09-12 → 2016-09-12 · 4 obs
● 2016-09-12 07:36:38
○ 2026-04-01 04:12:00
○ 2026-04-25 05:44:12
○MXmail.nickstel.com2015-06-12 → 2016-04-02 · 4 obs
● 2016-04-02 07:16:20
○ 2016-09-12 07:36:38
○ 2026-04-25 05:44:12
●A13.248.169.482026-04-01 → 2026-04-25 · 3 obs
● 2026-04-01 04:12:00
● 2026-04-25 05:44:12
○A72.52.4.912015-06-12 → 2016-09-12 · 4 obs
● 2016-09-12 07:36:38
○ 2026-04-01 04:12:00
○ 2026-04-25 05:44:12
●A76.223.54.1462026-04-01 → 2026-04-25 · 3 obs
● 2026-04-01 04:12:00
● 2026-04-25 05:44:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| concentra.net | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concentra.net (unsigned zone)
⏱️ Timing
Total: 2180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
Analysis
IP Addresses
mail.concentra.net points to two IPs: 13.248.169.48 and 76.223.54.146.
Other host names including mail.mcbrideproperties.com, 2cws.com, verification-3gt4srv5.ns3.dan.hosting, multiusage.com and amisconstruction.com share IP numbers with mail.concentra.net.
Name Servers
mail.concentra.net's delegation uses two name servers, ns1.afternic.com and ns2.afternic.com.
mail.concentra.net shares the same name server setup as other domains, for example senzin.com, gaintopia.com, www.betaoptions.com, www.567book.com and xzte.com.
mail.concentra.net at least partially shares name servers with other domains, including luckylending.com, vusr.com, dooting.com, philnew.com and michiganweddingplanner.com.
These name servers are commonly used with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hnverification-urj2ap2akmgcchkhharttb.ns101.verify.hnverification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.isns1.namepros-dns.com and ns2.namepros-dns.is.
Host names with two IPs:
ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69
ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69