planetmath.org - dns.ninja
planetmath.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=1785133982 | ||||||
rank #6729 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (95/100)
📈 Tranco rank: #228,509
Previously NS for
planetmath.org |
MX for
planetmath.org |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSdominia.org2026-06-23 → 2026-07-27 · 3 obs
● 2026-06-23 17:37:36
● 2026-07-27 06:58:44
●NSns.dominia.org2015-08-26 → 2026-07-27 · 2 obs
● 2026-07-27 06:58:44
●NSns2.dominia.org2015-08-26 → 2026-07-27 · 2 obs
● 2026-07-27 06:58:44
○NSplanetmath.org2015-08-26 → 2016-08-19 · 4 obs
● 2016-08-19 10:13:30
○ 2026-06-23 17:37:36
○ 2026-07-27 06:58:44
○MXmail.planetmath.org2015-08-26 → 2016-08-19 · 4 obs
● 2016-08-19 10:13:30
○ 2026-06-23 17:37:36
○ 2026-07-27 06:58:44
●MXplanetmath.org2026-06-23 → 2026-07-27 · 3 obs
● 2026-06-23 17:37:36
● 2026-07-27 06:58:44
○A104.236.240.92015-08-26 → 2015-08-26 · 3 obs
○ 2015-09-20 15:13:10
○ 2026-07-27 06:58:44
○A104.236.61.1872015-09-20 → 2016-08-19 · 5 obs
● 2015-09-20 15:13:10
● 2016-08-19 10:13:30
○ 2026-06-23 17:37:36
○ 2026-07-27 06:58:44
●A129.97.206.1292026-06-23 → 2026-07-27 · 3 obs
● 2026-06-23 17:37:36
● 2026-07-27 06:58:44
○A2604:a880:800:10::176:e0012015-10-18 → 2016-08-19 · 5 obs
● 2015-10-18 02:40:22
● 2016-08-19 10:13:30
○ 2026-06-23 17:37:36
○ 2026-07-27 06:58:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| planetmath.org | ns2.dominia.org, ns.dominia.org | 4 records |
✅ Authoritative Response
Server:192.237.188.250
NS records: ns2.dominia.org, ns.dominia.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 129.97.206.129 |
| NS | 2 | ns.dominia.org, ns2.dominia.org |
| MX | 1 | planetmath.org (pri: 10) |
| SOA | 1 | dominia.org djao.dominia.org |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.dominia.org, ns.dominia.org, ns2.dominia.org...)
Analysis
Mail Server Role
planetmath.org handles its own mail, functioning as its own mail server.
IP Addresses
planetmath.org resolves to just one IP address, 129.97.206.129.
planetmath.org shares its IP numbers with other host names like sike.org, planet2.math.uwaterloo.ca and www.sike.org.
Name Servers
planetmath.org is delegated to three name servers: dominia.org, ns2.dominia.org and ns.dominia.org.
planetmath.org partially shares its NS delegation with several other domains, including efnet-math.org, sike.org, 9.9.4.0.d.1.0.0.0.7.4.0.1.0.0.2.ip6.arpa and two others.
These name servers often co-occur with the name servers mp3.sailormusic.net.
All three hostnames dominia.org, ns2.dominia.org and ns.dominia.org point to two IP numbers apiece: dominia.org to 192.237.188.250 and 2001:470:1c:359::2, ns2.dominia.org to 129.97.91.252 and 2001:470:1c:499::2 and ns.dominia.org to 192.237.188.250 and 2001:470:1c:359::2.
dominia.org and ns.dominia.org are host names that each point to 2001:470:1c:359::2 IP addresses.
dominia.org and ns.dominia.org are host names that each point to 192.237.188.250 IP addresses.
Mail Servers
planetmath.org is served by just one mail server: planetmath.org.
planetmath.org resolves to a single IP number: 129.97.206.129.