mail.4erd.ac - robtex.com

mail.4erd.ac

DNSSEC⚠️ Not signed
A2a0a:4cc0:c1:d0fe:24dd:74ff:fe0a:f234🇦🇹 netcup-AS2a0a:4cc0:c0::/43
A159.195.55.123🇩🇰 netcup-AS159.195.52.0/22

4erd.ac

DNSSEC⚠️ Not signed
A2a0a:4cc0:c1:d0fe:24dd:74ff:fe0a:f234🇦🇹 netcup-AS2a0a:4cc0:c0::/43
A159.195.55.123🇩🇰 netcup-AS159.195.52.0/22
NSemily.ns.cloudflare.com ⭐
NSvasilii.ns.cloudflare.com
MXmail.4erd.ac ⭐
TXTv=spf1 ip4:159.195.55.123 ip6:2a0a:4cc0:00c1:d0fe:24dd:74ff:fe0a:f234 -all
SOAemily.ns.cloudflare.comdns@cloudflare.com serial=2399796168

MX for

4erd.ac

Same first word

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DNS History

2 records (2 active, 0 former)

A159.195.55.1232a0a:4cc0:c1:d0fe:24dd:74ff:fe0a:f234
●A159.195.55.1232026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 17:43:00
● 2026-03-28 01:32:44
●A2a0a:4cc0:c1:d0fe:24dd:74ff:fe0a:f2342026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 17:43:00
● 2026-03-28 01:32:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
aca0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac8 records
4erd.acvasilii.ns.cloudflare.com, emily.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.155

NS records: vasilii.ns.cloudflare.com, emily.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4erd.ac (unsigned zone)

⏱️ Timing

Total: 648ms | Queries: -

📄 Records

TypeCountSample Data
A1159.195.55.123
AAAA12a0a:4cc0:c1:d0fe:24dd:74ff:fe0a:f234

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.ac, a0.nic.ac, a2.nic.ac...)

Analysis

Mail Server Role

mail.4erd.ac is the mail server for 4erd.ac.

IP Addresses

mail.4erd.ac resolves to two IP numbers: 2a0a:4cc0:c1:d0fe:24dd:74ff:fe0a:f234 and 159.195.55.123.

Other host names, for instance 4erd.ac, share IP numbers with mail.4erd.ac.