hadamard.mathunion.org - robtex.com
hadamard.mathunion.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 62.141.176.109🇩🇪 FVB62.141.160.0/19 -NetOne | ||||||
| PTR | hadamard.mathunion.org | ||||||
| MX | a1926.mx.srv.dfn.de ⭐ | ||||||
| A | 194.95.232.173🇩🇪 DFN194.94.0.0/15 -AGG-16 | ||||||
| PTR | a1926.mx.srv.dfn.de | ||||||
| MX | b1926.mx.srv.dfn.de ⭐ | ||||||
| A | 194.95.234.173🇩🇪 DFN194.94.0.0/15 -AGG-16 | ||||||
| PTR | b1926.mx.srv.dfn.de | ||||||
| MX | c1926.mx.srv.dfn.de ⭐ | ||||||
| A | 194.95.238.173🇩🇪 DFN194.94.0.0/15 -AGG-16 | ||||||
| PTR | c1926.mx.srv.dfn.de | ||||||
mathunion.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 62.141.176.102🇩🇪 FVB62.141.160.0/19 -NetOne | ||||||
| NS | lagrange.wias-berlin.de ⭐ | ||||||
| NS | deneb.dfn.de | ||||||
| NS | dns-2.dfn.de | ||||||
| NS | laplace.wias-berlin.de | ||||||
| MX | a1926.mx.srv.dfn.de ⭐ | ||||||
| MX | b1926.mx.srv.dfn.de ⭐ | ||||||
| MX | c1926.mx.srv.dfn.de ⭐ | ||||||
| TXT | brevo-code:a35134409bb3bee12670610491689f96 | ||||||
| TXT | google-site-verification=EyaBCWW-5LN0E7p_Ujm8XrGdde9vHjanJB_wuOm4TGg | ||||||
| TXT | v=spf1 +mx +ip4:62.141.176.103 +ip4:62.141.177.90 +a:smtp.mathunion.org +a:sm... | ||||||
| TXT | HARICA-YBzh232DOrQ10zW7TZf | ||||||
| SOA | lagrange.wias-berlin.dehostmaster@wias-berlin.de 2026-02-18 #1 | ||||||
rank #32949 globally
rank #3714 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #127,984
PTR for
Similar names
DNS History
6 records (4 active, 2 former)
●MXa1926.mx.srv.dfn.de2026-04-29 → 2026-05-14 · 3 obs
● 2026-04-29 12:03:18
● 2026-05-14 10:46:48
○MXagent-j.bb.fv-berlin.de2020-04-07 → 2020-04-07 · 3 obs
○ 2026-04-29 12:03:18
○ 2026-05-14 10:46:48
○MXagent-k.bb.fv-berlin.de2020-04-07 → 2020-04-07 · 3 obs
○ 2026-04-29 12:03:18
○ 2026-05-14 10:46:48
●MXb1926.mx.srv.dfn.de2026-04-29 → 2026-05-14 · 3 obs
● 2026-04-29 12:03:18
● 2026-05-14 10:46:48
●MXc1926.mx.srv.dfn.de2026-04-29 → 2026-05-14 · 3 obs
● 2026-04-29 12:03:18
● 2026-05-14 10:46:48
●A62.141.176.1092020-04-07 → 2026-05-14 · 2 obs
● 2026-05-14 10:46:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| mathunion.org | laplace.wias-berlin.de, deneb.dfn.de, dns-2.dfn.de, lagrange.wias-berlin.de | - |
✅ Authoritative Response
Server:62.141.177.2
NS records: laplace.wias-berlin.de, deneb.dfn.de, dns-2.dfn.de, lagrange.wias-berlin.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathunion.org (unsigned zone)
⏱️ Timing
Total: 871ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.141.176.109 |
| MX | 3 | a1926.mx.srv.dfn.de (pri: 20), c1926.mx.srv.dfn.de (pri: 20)... |
Analysis
IP Addresses
hadamard.mathunion.org resolves to one IP number: 62.141.176.109.
Mail Servers
hadamard.mathunion.org is handled by three mail servers: a1926.mx.srv.dfn.de, b1926.mx.srv.dfn.de and c1926.mx.srv.dfn.de.
hadamard.mathunion.org shares some mail servers with other domains, at least partially, for instance icm2022.org, 176-1.wias-berlin.de, www.icm2022.org, www.icm2018.org and eudoxos.mardi4nfdi.de.
Host names with one IP number: a1926.mx.srv.dfn.de points to 194.95.232.173; b1926.mx.srv.dfn.de points to 194.95.234.173; c1926.mx.srv.dfn.de points to 194.95.238.173.