`mailhost.sdc.org`

DNSSEC	⚠️ Not signed
A	2602:fed9::7^{🇺🇸 AS3968472602:fed9::/36}
		PTR	`mailhost.sdc.org`
A	172.84.155.7^{🇺🇸 AS396847172.84.155.0/24}
MX	`maha.sdc.org` ⭐
		A	2602:fed9::2^{🇺🇸 AS3968472602:fed9::/36}
			PTR	`maha.sdc.org`
		A	172.84.155.2^{🇺🇸 AS396847172.84.155.0/24}
			PTR	`maha.sdc.org`
TXT	`v=spf1 ip4:172.84.155.1/27 ip6:2602:fed9::1/64 -all`

`sdc.org`

	DNSSEC	⚠️ Not signed
	A	2602:fed9::17^{🇺🇸 AS3968472602:fed9::/36}
	A	172.84.155.17^{🇺🇸 AS396847172.84.155.0/24}
	NS	`ns1.sdc.org` ⭐
	NS	`ns2.sdc.org`
	NS	`ns3.sdc.org`
	NS	`ns4.sdc.org`
	MX	`maha.sdc.org` ⭐
	TXT	`v=spf1 ip4:172.84.155.1/27 ip6:2602:fed9::1/64 -all`
	SOA	`ns1.sdc.org`pwolf@virgo.sdc.org 2026-03-18 #2

PTR for

7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.d.e.f.2.0.6.2.ip6.arpa

7.155.84.172.in-addr.arpa

Same first word

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DNS History

6 records (3 active, 3 former)

●MXmaha.sdc.org2026-03-18 → 2026-03-29 · 2 obs

● 2026-03-18 19:36:28
● 2026-03-29 20:00:24

●A172.84.155.72026-03-18 → 2026-03-29 · 3 obs

○ 2016-06-20 22:25:56
● 2026-03-18 19:36:28
● 2026-03-29 20:00:24

○A208.38.215.12015-08-04 → 2015-08-04 · 3 obs

● 2015-08-04 01:04:04
○ 2015-11-29 00:47:50
○ 2026-03-29 20:00:24

○A208.38.215.72015-11-29 → 2016-06-20 · 5 obs

○ 2015-08-04 01:04:04
● 2015-11-29 00:47:50
● 2016-06-20 22:25:56
○ 2026-03-18 19:36:28
○ 2026-03-29 20:00:24

●A2602:fed9::72026-03-18 → 2026-03-29 · 3 obs

○ 2016-06-20 22:25:56
● 2026-03-18 19:36:28
● 2026-03-29 20:00:24

○CNAMEsneetch.sdc.org2015-11-29 → 2016-06-20 · 4 obs

● 2015-11-29 00:47:50
● 2016-06-20 22:25:56
○ 2026-03-18 19:36:28
○ 2026-03-29 20:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
sdc.org	ns3.sdc.org, ns1.sdc.org, ns2.sdc.org, ns4.sdc.org	4 records

✅ Authoritative Response

Server:172.84.155.7

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdc.org (unsigned zone)

⏱️ Timing

Total: 219ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.84.155.7`
AAAA	1	`2602:fed9::7`
MX	1	`maha.sdc.org (pri: 10)`
TXT	1	`v=spf1 ip4:172.84.155.1/27 ip6:2602:fed9`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mailhost.sdc.org points to two IP numbers: 2602:fed9::7 and 172.84.155.7.

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

Mail Servers

The mail server for mailhost.sdc.org is maha.sdc.org.

mailhost.sdc.org shares the same mail server setup as other domains, including virgo.sdc.org, sdc.org, ns2.sdc.org, thewolfs.com and smtp.sdc.org.

Host name maha.sdc.org resolves to two IPs: 2602:fed9::2 and 172.84.155.2.

mailhost.sdc.org - robtex.com

mailhost.sdc.org

sdc.org