mail.koert.nu - robtex.com

mail.koert.nu

DNSSEC⚠️ Not signed
A109.70.7.233🇳🇱 CLDIN-NL109.70.0.0/21
PTRsrv2.nc-websites.nl

koert.nu

DNSSEC⚠️ Not signed
A188.166.131.75🇳🇱 DIGITALOCEAN188.166.128.0/22 DigitalOcean
NSns1.sectigoweb.com ⭐
NSns2.sectigoweb.com
NSns3.sectigoweb.com
NSns4.sectigoweb.com
MXmail.koert.nu ⭐
TXTv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mR...
TXTv=spf1 a mx ip4:146.185.182.187 ip4:141.193.32.12 ip4:188.166.131.75 include:...
SOAns1.sectigoweb.comadmin@sectigo.com serial=1674848083

MX for

koert.nu

Same first word

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DNS History

1 record (1 active, 0 former)

A109.70.7.233
●A109.70.7.2332026-05-12 → 2026-05-13 · 2 obs
● 2026-05-12 01:13:18
● 2026-05-13 15:34:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nua.ns.nu, y.ns.nu, d.ns.nu, m.ns.nu...12 records
koert.nuns3.sectigoweb.com, ns2.sectigoweb.com, ns1.sectigoweb.com, ns4.sectigoweb.com-

✅ Authoritative Response

Server:162.159.24.4

NS records: ns3.sectigoweb.com, ns2.sectigoweb.com, ns1.sectigoweb.com, ns4.sectigoweb.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koert.nu (unsigned zone)

⏱️ Timing

Total: 1977ms | Queries: -

📄 Records

TypeCountSample Data
A1109.70.7.233

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

mail.koert.nu functions as a mail server for koert.nu.

IP Addresses

mail.koert.nu points to IP number: 109.70.7.233.

Other host names such as mail.nagelzzz.nl, vandenbergisolaties.com, virol-metaal.com, mail.stoeterijrenken.nl and fiscaal.nl share IPs with mail.koert.nu.