math-classes.org - dns.ninja
math-classes.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 207.97.227.245🇺🇸 RACKSPACE-IAD207.97.192.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| NS | ns0.transip.net ⭐ | ||||||
| A | 2a01:7c8:dddd:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns0.transip.net | ||||||
| A | 195.135.195.195🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V. | ||||||
| PTR | ns0.transip.net | ||||||
| NS | ns1.transip.nl | ||||||
| A | 2a01:7c8:7000:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns1.transip.nl | ||||||
| A | 195.8.195.195🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V. | ||||||
| PTR | ns1.transip.nl | ||||||
| NS | ns2.transip.eu | ||||||
| A | 2a01:7c8:f:c1f::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns2.transip.eu | ||||||
| A | 37.97.199.195🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | ns2.transip.eu | ||||||
| MX | math-classes.org ⭐ 🔒 | ||||||
| A | 207.97.227.245🇺🇸 RACKSPACE-IAD207.97.192.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| SOA | ns0.transip.nethostmaster@transip.nl 2025-12-15 #2 | ||||||
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=1782902606 | ||||||
MX for
math-classes.org |
Same first word
math-classes.org |
math-classes.com |
DNS History
5 records (5 active, 0 former)
●NSns0.transip.net2015-05-22 → 2026-07-01 · 2 obs
● 2026-07-01 11:19:18
●NSns1.transip.nl2015-05-22 → 2026-07-01 · 2 obs
● 2026-07-01 11:19:18
●NSns2.transip.eu2015-05-22 → 2026-07-01 · 2 obs
● 2026-07-01 11:19:18
●MXmath-classes.org2015-05-22 → 2026-07-01 · 2 obs
● 2026-07-01 11:19:18
●A207.97.227.2452015-05-22 → 2026-07-01 · 2 obs
● 2026-07-01 11:19:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| math-classes.org | ns0.transip.net, ns1.transip.nl, ns2.transip.eu | - |
✅ Authoritative Response
Server:37.97.199.195
NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.97.227.245 |
| NS | 3 | ns2.transip.eu, ns0.transip.net... |
| MX | 1 | math-classes.org (pri: 10) |
| SOA | 1 | ns0.transip.net hostmaster.transip.nl |
Analysis
Mail Server Role
math-classes.org handles its own mail, functioning as its own mail server.
IP Addresses
math-classes.org resolves to just one IP address, 207.97.227.245.
Two other host names, along with certik.cz, brownline.net and tktk94.com, also share IP numbers with math-classes.org.
Name Servers
The authoritative name servers for math-classes.org are ns2.transip.eu, ns0.transip.net and ns1.transip.nl — three in total.
math-classes.org has at least partial name server overlap with other domains, such as keke.nu, electrofiets.nl, debestserver.nl and two others.
ns2.transip.eu, ns0.transip.net and ns1.transip.nl all resolve to exactly two IP numbers apiece: ns2.transip.eu → 37.97.199.195 and 2a01:7c8:f:c1f::195; ns0.transip.net → 195.135.195.195 and 2a01:7c8:dddd:195::195; ns1.transip.nl → 195.8.195.195 and 2a01:7c8:7000:195::195.
Mail Servers
math-classes.org is served by just one mail server: math-classes.org.
math-classes.org directs to just one IP number, 207.97.227.245.