lehto.mathunion.org - robtex.com

lehto.mathunion.org

DNSSEC⚠️ Not signed
A62.141.176.101🇩🇪 FVB62.141.160.0/19 -NetOne
PTRlehto.mathunion.org
MXa1926.mx.srv.dfn.de ⭐
A194.95.232.173🇩🇪 DFN194.94.0.0/15 -AGG-16
PTRa1926.mx.srv.dfn.de
MXb1926.mx.srv.dfn.de ⭐
A194.95.234.173🇩🇪 DFN194.94.0.0/15 -AGG-16
PTRb1926.mx.srv.dfn.de
MXc1926.mx.srv.dfn.de ⭐
A194.95.238.173🇩🇪 DFN194.94.0.0/15 -AGG-16
PTRc1926.mx.srv.dfn.de

mathunion.org

DNSSEC⚠️ Not signed
A62.141.176.102🇩🇪 FVB62.141.160.0/19 -NetOne
NSlagrange.wias-berlin.de ⭐
NSdeneb.dfn.de
NSdns-2.dfn.de
NSlaplace.wias-berlin.de
MXa1926.mx.srv.dfn.de ⭐
MXb1926.mx.srv.dfn.de ⭐
MXc1926.mx.srv.dfn.de ⭐
TXTgoogle-site-verification=EyaBCWW-5LN0E7p_Ujm8XrGdde9vHjanJB_wuOm4TGg
TXTbrevo-code:a35134409bb3bee12670610491689f96
TXTv=spf1 +mx +ip4:62.141.176.103 +ip4:62.141.177.90 +a:smtp.mathunion.org +a:sm...
TXTHARICA-YBzh232DOrQ10zW7TZf
SOAlagrange.wias-berlin.dehostmaster@wias-berlin.de 2026-02-18 #1
WOT: SAFE (67/100)
rank #32784 globally
rank #3686 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #128,212

PTR for

101.176.141.62.in-addr.arpa

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DNS History

4 records (4 active, 0 former)

MXa1926.mx.srv.dfn.deb1926.mx.srv.dfn.dec1926.mx.srv.dfn.deA62.141.176.101
●MXa1926.mx.srv.dfn.de2026-03-14 → 2026-05-13 · 2 obs
● 2026-03-14 21:15:58
● 2026-05-13 01:43:42
●MXb1926.mx.srv.dfn.de2026-03-14 → 2026-05-13 · 2 obs
● 2026-03-14 21:15:58
● 2026-05-13 01:43:42
●MXc1926.mx.srv.dfn.de2026-03-14 → 2026-05-13 · 2 obs
● 2026-03-14 21:15:58
● 2026-05-13 01:43:42
●A62.141.176.1012026-03-14 → 2026-05-13 · 2 obs
● 2026-03-14 21:15:58
● 2026-05-13 01:43:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
mathunion.orgdeneb.dfn.de, dns-2.dfn.de, laplace.wias-berlin.de, lagrange.wias-berlin.de-

✅ Authoritative Response

Server:62.141.177.2

NS records: deneb.dfn.de, dns-2.dfn.de, laplace.wias-berlin.de, lagrange.wias-berlin.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathunion.org (unsigned zone)

⏱️ Timing

Total: 1879ms | Queries: -

📄 Records

TypeCountSample Data
A162.141.176.101
MX3b1926.mx.srv.dfn.de (pri: 20), c1926.mx.srv.dfn.de (pri: 20)...

Analysis

IP Addresses

lehto.mathunion.org points to a single IP address: 62.141.176.101.

Mail Servers

lehto.mathunion.org is handled by three mail servers: a1926.mx.srv.dfn.de, b1926.mx.srv.dfn.de and c1926.mx.srv.dfn.de.

lehto.mathunion.org shares at least partially some mail servers with other domains, for instance nat-wias-intern.wias-berlin.de, gauss-02.wias-berlin.de, bolzano.wias-berlin.de, womeninmaths.org and spp1962.wias-berlin.de.

Host names with a single IP address:

a1926.mx.srv.dfn.de resolves to 194.95.232.173.

b1926.mx.srv.dfn.de resolves to 194.95.234.173.

c1926.mx.srv.dfn.de resolves to 194.95.238.173.