back2back.org - dns.ninja
back2back.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784218184 | ||||||
Subdomains
www.back2back.org |
Same first word
DNS History
11 records (9 active, 2 former)
●NSns67.domaincontrol.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●NSns68.domaincontrol.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●MXalt1.aspmx.l.google.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●MXalt2.aspmx.l.google.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●MXalt3.aspmx.l.google.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●MXalt4.aspmx.l.google.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●MXaspmx.l.google.com2015-07-20 → 2026-07-16 · 2 obs
● 2026-07-16 16:28:50
●A141.193.213.102026-04-05 → 2026-07-16 · 3 obs
● 2026-04-05 16:48:52
● 2026-07-16 16:28:50
●A141.193.213.112026-04-05 → 2026-07-16 · 3 obs
● 2026-04-05 16:48:52
● 2026-07-16 16:28:50
○A45.79.167.102015-12-02 → 2017-04-06 · 5 obs
● 2015-12-02 18:39:38
● 2017-04-06 16:13:32
○ 2026-04-05 16:48:52
○ 2026-07-16 16:28:50
○A64.13.232.2282015-07-20 → 2015-07-20 · 3 obs
○ 2015-12-02 18:39:38
○ 2026-07-16 16:28:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| back2back.org | ns67.domaincontrol.com, ns68.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.71.44
NS records: ns67.domaincontrol.com, ns68.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for back2back.org (unsigned zone)
⏱️ Timing
Total: 559ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 141.193.213.10, 141.193.213.11 |
| NS | 2 | ns67.domaincontrol.com, ns68.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 5 | MS=6BE5A06BD82CC845EF308D0802AC05A77C05D, v=spf1 include:_spf.mailersend.net inclu... |
| SOA | 1 | ns67.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
The domain www.back2back.org falls under the parent back2back.org.
IP Addresses
back2back.org points to the IP addresses 141.193.213.10 and 141.193.213.11
Additional host names — totaltr.com, performanceheatandair.com, linx-as.com and two others — share IP numbers with back2back.org.
Name Servers
back2back.org uses two name servers for its delegation: ns67.domaincontrol.com and ns68.domaincontrol.com.
back2back.org shares its name server setup with other domains, including forever-hmi.de, donnarae.net, raiseyourimmuneiq.com and two others.
The two host names ns67.domaincontrol.com and ns68.domaincontrol.com each have a pair of IP addresses: ns67.domaincontrol.com has 97.74.103.44 and 2603:5:2174::2c, and ns68.domaincontrol.com has 173.201.71.44 and 2603:5:2274::2c.
Mail Servers
back2back.org has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
back2back.org shares mail servers — at least in part — with other domains, including ns500734.ns500734.ns500693.ns500693.ns500699.ns500693.ns500588.ns500699.ns500683.ns500699.ns500693.ns500699.ns500612.ns500110.dtrkdll.com, ns500765.ns500699.ns500693.ns500699.ns500699.ns500693.ns500699.ns500588.ns500588.ns500632.ns500612.ns500632.ns500632.ns500632.ns500588.ns500578.ns500110.dtrkdll.com, ns500731.ns500671.ns500704.ns500671.ns500688.ns500671.ns500671.ns500704.ns500649.ns500649.ns500649.ns500666.tenderladiesbz.com and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com directs traffic to 172.253.63.27 and 2607:f8b0:4004:c1f::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.