smtp.duoflow.com - robtex.com

smtp.duoflow.com

DNSSEC⚠️ Not signed
A2a03:4000:61:8db1::20:4660🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A202.61.233.69🇩🇪 netcup-AS202.61.233.0/24

duoflow.com

DNSSEC⚠️ Not signed
A2a03:4000:61:8db1::20:4660🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A202.61.233.69🇩🇪 netcup-AS202.61.233.0/24
NSroot-dns.netcup.net ⭐
NSsecond-dns.netcup.net
NSthird-dns.netcup.net
MXmail.duoflow.com ⭐
MXmxe947.netcup.net(50)
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2024-05-29 #14

Previously MX for

duoflow.com

Same first word

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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A202.61.233.692a03:4000:61:8db1::20:4660212.223.165.71
●A202.61.233.692026-04-24 → 2026-04-24 · 3 obs
○ 2016-04-19 11:14:14
● 2026-04-24 06:48:38
● 2026-04-24 06:48:40
○A212.223.165.712015-07-20 → 2016-04-19 · 4 obs
● 2015-07-20 08:52:50
● 2016-04-19 11:14:14
○ 2026-04-24 06:48:38
○ 2026-04-24 06:48:40
●A2a03:4000:61:8db1::20:46602026-04-24 → 2026-04-24 · 3 obs
○ 2016-04-19 11:14:14
● 2026-04-24 06:48:38
● 2026-04-24 06:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...-
duoflow.comroot-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duoflow.com (unsigned zone)

⏱️ Timing

Total: 1974ms | Queries: -

📄 Records

TypeCountSample Data
A1202.61.233.69
AAAA12a03:4000:61:8db1::20:4660

Analysis

IP Addresses

smtp.duoflow.com points to two IP numbers: 2a03:4000:61:8db1::20:4660 and 202.61.233.69.

Other host names such as magischeunterhaltung.de, lass-reisen.de, christian-born-friseure.de, stefanhans.de and micv389.de share IPs with smtp.duoflow.com.