ptr.zone - dns.ninja
ptr.zone
zone
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.zone ⭐ | ||||||
| NS | v0n1.nic.zone | ||||||
| NS | v0n2.nic.zone | ||||||
| NS | v0n3.nic.zone | ||||||
| NS | v2n0.nic.zone | ||||||
| NS | v2n1.nic.zone | ||||||
| SOA | v0n0.nic.zonehostmaster@donuts.email serial=1782460107 | ||||||
Previously MX for
ptr.zone |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSns-1522.awsdns-62.org2026-02-16 → 2026-06-26 · 3 obs
● 2026-02-16 03:38:28
● 2026-06-26 08:37:34
●NSns-1916.awsdns-47.co.uk2026-02-16 → 2026-06-26 · 3 obs
● 2026-02-16 03:38:28
● 2026-06-26 08:37:34
●NSns-398.awsdns-49.com2026-02-16 → 2026-06-26 · 3 obs
● 2026-02-16 03:38:28
● 2026-06-26 08:37:34
●NSns-549.awsdns-04.net2026-02-16 → 2026-06-26 · 3 obs
● 2026-02-16 03:38:28
● 2026-06-26 08:37:34
○NSns1.fairnode.eu2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-16 03:38:28
○ 2026-06-26 08:37:34
○NSns2.fairnode.eu2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-16 03:38:28
○ 2026-06-26 08:37:34
●MXinbound-smtp.eu-west-1.amazonaws.com2026-02-16 → 2026-06-26 · 3 obs
● 2026-02-16 03:38:28
● 2026-06-26 08:37:34
○MXptr.zone2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-16 03:38:28
○ 2026-06-26 08:37:34
○A2a01:4f8:130:62f1::7:22016-12-10 → 2026-02-16 · 4 obs
● 2026-02-16 03:38:28
○ 2026-02-19 02:35:06
○ 2026-06-26 08:37:34
○A46.4.197.152016-12-10 → 2026-02-16 · 4 obs
● 2026-02-16 03:38:28
○ 2026-02-19 02:35:06
○ 2026-06-26 08:37:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| zone | v0n0.nic.zone, v0n1.nic.zone, v0n2.nic.zone, v0n3.nic.zone... | 12 records |
| ptr.zone | ns-549.awsdns-04.net, ns-1522.awsdns-62.org, ns-1916.awsdns-47.co.uk, ns-398.awsdns-49.com | - |
✅ Authoritative Response
Server:205.251.194.37
NS records: ns-549.awsdns-04.net, ns-1522.awsdns-62.org, ns-1916.awsdns-47.co.uk, ns-398.awsdns-49.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptr.zone (unsigned zone)
⏱️ Timing
Total: 560ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1522.awsdns-62.org, ns-1916.awsdns-47.co.uk... |
| MX | 1 | inbound-smtp.eu-west-1.amazonaws.com (pr |
| TXT | 1 | v=spf1 include:amazonses.com ~all |
| SOA | 1 | ns-549.awsdns-04.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.zone, v0n1.nic.zone, v0n2.nic.zone...)
Analysis
Name Servers
ptr.zone has four authoritative name servers: ns-398.awsdns-49.com, ns-549.awsdns-04.net, ns-1522.awsdns-62.org and ns-1916.awsdns-47.co.uk.
At least some of ptr.zone's name servers are shared with other domains, for example fosamax.de, mycash.vu, gitzo.co.in and two more.
These name servers tend to be used in conjunction with the name servers ns-2044.awsdns-63.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-398.awsdns-49.com directs to 205.251.193.142 and 2600:9000:5301:8e00::1; ns-549.awsdns-04.net directs to 205.251.194.37 and 2600:9000:5302:2500::1; ns-1522.awsdns-62.org directs to 205.251.197.242 and 2600:9000:5305:f200::1; ns-1916.awsdns-47.co.uk directs to 205.251.199.124 and 2600:9000:5307:7c00::1.
Mail Servers
ptr.zone has one mail server: inbound-smtp.eu-west-1.amazonaws.com.
ptr.zone shares the same mail server setup as other domains, including app.fennoa.com, appfm.de, wolffcomerce.de and two others.
ptr.zone shares mail servers — at least in part — with other domains, including feedbackorangebe.customdomain.chkmkt.com, tomahawque.com, activia.cz and two others.
inbound-smtp.eu-west-1.amazonaws.com resolves to a set of three IP numbers: 18.200.203.69, 54.76.31.185 and 54.155.140.59.