mail.d21.nu - robtex.com

mail.d21.nu

DNSSEC⚠️ Not signed
A91.221.151.166🇳🇱 EKMEDIA91.221.150.0/23 EK-Media B.V.
PTRweb04.ek-media.nl

d21.nu

DNSSEC⚠️ Not signed
A91.221.151.166🇳🇱 EKMEDIA91.221.150.0/23 EK-Media B.V.
NSns1.ek-media.nl ⭐
NSns2.ek-media.nl
NSns3.ek-media.nl
MXmail.d21.nu ⭐
TXTv=spf1 a mx ip4:91.221.150.0/23 ip4:188.227.203.22 ip6:2001:67c:16b4::/48 inc...
SOAns1.ek-media.nldomains@ek-media.nl serial=1701250681

MX for

d21.nu

Same first word

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DNS History

2 records (1 active, 1 former)

2017201820192020202120222023202420252026A91.221.151.16691.221.150.107
○A91.221.150.1072016-05-25 → 2016-12-26 · 4 obs
● 2016-05-25 08:40:08
● 2016-12-26 05:57:18
○ 2026-02-27 00:48:16
○ 2026-04-14 01:18:08
●A91.221.151.1662026-02-27 → 2026-04-14 · 3 obs
○ 2016-12-26 05:57:18
● 2026-02-27 00:48:16
● 2026-04-14 01:18:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
num.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu...12 records
d21.nuns2.ek-media.nl, ns3.ek-media.nl, ns1.ek-media.nl-

✅ Authoritative Response

Server:188.227.206.82

NS records: ns2.ek-media.nl, ns3.ek-media.nl, ns1.ek-media.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for d21.nu (unsigned zone)

⏱️ Timing

Total: 1067ms | Queries: -

📄 Records

TypeCountSample Data
A191.221.151.166

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)

Analysis

Mail Server Role

mail.d21.nu is the mail server for d21.nu.

IP Addresses

mail.d21.nu resolves to one IP number: 91.221.151.166.

other host names including oscarpersoon.com, mail.sugarcityenergie.com, cobraspen.amsterdam, mail.snowhowcenter.nl and ba-productions.nl share IP numbers with mail.d21.nu.