mail.sdc.org - robtex.com

mail.sdc.org

DNSSEC⚠️ Not signed
A172.84.155.7🇺🇸 AS396847172.84.155.0/24
PTRmailhost.sdc.org

sdc.org

DNSSEC⚠️ Not signed
A2602:fed9::17🇺🇸 AS3968472602:fed9::/36
A172.84.155.17🇺🇸 AS396847172.84.155.0/24
NSns1.sdc.org ⭐
NSns2.sdc.org
NSns3.sdc.org
NSns4.sdc.org
MXmaha.sdc.org ⭐
TXTv=spf1 ip4:172.84.155.1/27 ip6:2602:fed9::1/64 -all
SOAns1.sdc.orgpwolf@virgo.sdc.org 2026-03-18 #2

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DNS History

4 records (1 active, 3 former)

20162017201820192020202120222023202420252026A172.84.155.7208.38.215.1208.38.215.7CNAMEsneetch.sdc.org
●A172.84.155.72026-02-18 → 2026-03-30 · 3 obs
○ 2016-08-11 22:52:34
● 2026-02-18 02:16:28
● 2026-03-30 12:22:16
○A208.38.215.12015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 01:28:50
○ 2015-12-18 22:01:32
○ 2026-03-30 12:22:16
○A208.38.215.72015-12-18 → 2016-08-11 · 5 obs
○ 2015-08-22 01:28:50
● 2015-12-18 22:01:32
● 2016-08-11 22:52:34
○ 2026-02-18 02:16:28
○ 2026-03-30 12:22:16
○CNAMEsneetch.sdc.org2015-12-18 → 2016-08-11 · 4 obs
● 2015-12-18 22:01:32
● 2016-08-11 22:52:34
○ 2026-02-18 02:16:28
○ 2026-03-30 12:22:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
sdc.orgns3.sdc.org, ns2.sdc.org, ns4.sdc.org, ns1.sdc.org4 records

✅ Authoritative Response

Server:172.84.155.1

NS records: ns3.sdc.org, ns2.sdc.org, ns4.sdc.org, ns1.sdc.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdc.org (unsigned zone)

⏱️ Timing

Total: 238ms | Queries: -

📄 Records

TypeCountSample Data
A1172.84.155.7

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.sdc.org, ns2.sdc.org, ns3.sdc.org...)

Analysis

IP Addresses

mail.sdc.org resolves to a single IP: 172.84.155.7.

Other host names, for instance, ns4.sdc.org, mailhost.sdc.org, ns2.sdc.org and smtp.sdc.org share IP numbers with mail.sdc.org.