mathmirror.org - dns.ninja
mathmirror.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.178.172.94🇫🇷 OVH51.178.0.0/16 | ||||||
| PTR | ip94.ip-51-178-172.eu | ||||||
| NS | ns1.mathmirror.org ⭐ | ||||||
| A | 51.178.172.94🇫🇷 OVH51.178.0.0/16 | ||||||
| PTR | ip94.ip-51-178-172.eu | ||||||
| NS | ns2.mathmirror.org | ||||||
| A | 51.178.172.94🇫🇷 OVH51.178.0.0/16 | ||||||
| PTR | ip94.ip-51-178-172.eu | ||||||
| MX | mathmirror.org ⭐ | ||||||
| A | 51.178.172.94🇫🇷 OVH51.178.0.0/16 | ||||||
| PTR | ip94.ip-51-178-172.eu | ||||||
| TXT | v=spf1 ip4:135.125.2.67 ip4:51.91.118.101 +a +mx +ip4:135.125.7.211 +ip4:51.1... | ||||||
| SOA | ns1.mathmirror.orghostmaster@mathmirror.org 2026-06-26 #1 | ||||||
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=1785507710 | ||||||
MX for
mathmirror.org |
Subdomains
Same first word
mathmirror.org |
DNS History
8 records (4 active, 4 former)
●NSns1.mathmirror.org2026-02-21 → 2026-07-31 · 3 obs
● 2026-02-21 19:19:22
● 2026-07-31 14:57:22
○NSns1.mediatemple.net2015-05-09 → 2016-04-19 · 4 obs
● 2016-04-19 01:25:44
○ 2017-10-19 07:23:06
○ 2026-07-31 14:57:22
●NSns2.mathmirror.org2026-02-21 → 2026-07-31 · 3 obs
● 2026-02-21 19:19:22
● 2026-07-31 14:57:22
○NSns2.mediatemple.net2015-05-09 → 2016-04-19 · 4 obs
● 2016-04-19 01:25:44
○ 2017-10-19 07:23:06
○ 2026-07-31 14:57:22
○MXmail.mathmirror.org2015-05-09 → 2016-04-19 · 4 obs
● 2016-04-19 01:25:44
○ 2017-10-19 07:23:06
○ 2026-07-31 14:57:22
●MXmathmirror.org2026-02-21 → 2026-07-31 · 3 obs
● 2026-02-21 19:19:22
● 2026-07-31 14:57:22
●A51.178.172.942026-02-21 → 2026-07-31 · 3 obs
● 2026-02-21 19:19:22
● 2026-07-31 14:57:22
○A72.47.224.1382015-05-09 → 2016-04-19 · 4 obs
● 2016-04-19 01:25:44
○ 2017-10-19 07:23:06
○ 2026-07-31 14:57:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mathmirror.org | ns2.mathmirror.org, ns1.mathmirror.org | 2 records |
✅ Authoritative Response
Server:51.178.172.94
NS records: ns2.mathmirror.org, ns1.mathmirror.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathmirror.org (unsigned zone)
⏱️ Timing
Total: 328ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.178.172.94 |
| NS | 2 | ns1.mathmirror.org, ns2.mathmirror.org |
| MX | 1 | mathmirror.org (pri: 0) |
| TXT | 1 | v=spf1 ip4:135.125.2.67 ip4:51.91.118.10 |
| SOA | 1 | ns1.mathmirror.org hostmaster.mathmirror |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.mathmirror.org, ns2.mathmirror.org)
Analysis
Hierarchy
ns1.mathmirror.org, www.mathmirror.org, ns2.mathmirror.org and mail.mathmirror.org are all subdomains of mathmirror.org.
Mail Server Role
mathmirror.org serves as a mail server for mathmirror.org.
IP Addresses
mathmirror.org has exactly one IP address — 51.178.172.94.
ns1.siam-garden.com, ns1.c-sn.com, exploapp.com plus two other host names have IP numbers in common with mathmirror.org.
Name Servers
mathmirror.org is delegated to two name servers: ns1.mathmirror.org and ns2.mathmirror.org.
ns1.mathmirror.org and ns2.mathmirror.org both resolve to the same single IP address: 51.178.172.94.
ns1.mathmirror.org and ns2.mathmirror.org are host names that each point to 51.178.172.94 IP addresses.
Mail Servers
mathmirror.org uses exactly one mail server, which is mathmirror.org.
mathmirror.org resolves to a single IP number: 51.178.172.94.