`heuristicsystems.com`

DNSSEC	⚠️ Not signed
A	203.41.22.114^{🇦🇺 ASN-TELSTRA203.40.0.0/13 Telstra Corporation Limited 242 Exhibition Street}
NS	`ns0.telstra.net` ⭐
		A	2001:8000:0:3100:9999::11^{🇦🇺 ASN-TELSTRA2001:8000::/20 Telstra Corporation 242 Exhibition Street}
		A	203.50.248.5^{🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street}
		A	203.50.248.11^{🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street}
NS	`ns1.telstra.net`
		A	2001:8000:0:3100:9999::12^{🇦🇺 ASN-TELSTRA2001:8000::/20 Telstra Corporation 242 Exhibition Street}
		A	203.50.248.6^{🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street}
		A	203.50.248.12^{🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street}
MX	`hermes.heuristicsystems.com.au` ⭐
		A	203.41.22.115^{🇦🇺 ASN-TELSTRA203.40.0.0/13 Telstra Corporation Limited 242 Exhibition Street}
			PTR	`hermes.heuristicsystems.com.au`
TXT	`v=spf2.0/pra`
TXT	`v=spf1 mx ip4:203.41.22.115 -all`
TXT	`v=spf2.0/mfrom mx ip4:203.41.22.115 -all`
SOA	`ns0.telstra.net`dns@telstra.net 2015-09-07 #7

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776091722

Same first word

heuristicsystems.com.au

heuristicsystems.com

DNS History

7 records (4 active, 3 former)

●NSns0.telstra.net2015-11-04 → 2026-04-13 · 3 obs

○ 2015-10-13 15:30:16
● 2015-11-04 04:23:18
● 2026-04-13 15:17:22

○NSns1.darktech.org2015-08-18 → 2015-10-13 · 4 obs

● 2015-08-18 07:17:10
● 2015-10-13 15:30:16
○ 2015-11-04 04:23:18
○ 2026-04-13 15:17:22

●NSns1.telstra.net2015-11-04 → 2026-04-13 · 3 obs

○ 2015-10-13 15:30:16
● 2015-11-04 04:23:18
● 2026-04-13 15:17:22

○NSns2.darktech.org2015-08-18 → 2015-10-13 · 4 obs

● 2015-08-18 07:17:10
● 2015-10-13 15:30:16
○ 2015-11-04 04:23:18
○ 2026-04-13 15:17:22

○MXhermes.heuristicsystems.com2015-08-18 → 2017-04-01 · 6 obs

● 2015-08-18 07:17:10
○ 2015-10-13 15:30:16
● 2015-11-04 04:23:18
● 2017-04-01 17:32:10
○ 2026-02-27 14:10:44
○ 2026-04-13 15:17:22

●MXhermes.heuristicsystems.com.au2015-10-13 → 2026-04-13 · 6 obs

○ 2015-08-18 07:17:10
● 2015-10-13 15:30:16
○ 2015-11-04 04:23:18
○ 2017-04-01 17:32:10
● 2026-02-27 14:10:44
● 2026-04-13 15:17:22

●A203.41.22.1142015-08-18 → 2026-04-13 · 5 obs

● 2015-08-18 07:17:10
● 2026-03-28 04:38:44
○ 2026-04-04 08:10:34
● 2026-04-10 19:48:10
● 2026-04-13 15:17:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
heuristicsystems.com	ns1.telstra.net, ns0.telstra.net	-

✅ Authoritative Response

Server:203.50.248.6

NS records: ns1.telstra.net, ns0.telstra.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heuristicsystems.com (unsigned zone)

⏱️ Timing

Total: 1040ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.41.22.114`
NS	2	`ns1.telstra.net, ns0.telstra.net`
MX	1	`hermes.heuristicsystems.com.au (pri: 10)`
TXT	3	`v=spf2.0/mfrom mx ip4:203.41.22.115 -all, v=spf2.0/pra...`
SOA	1	`ns0.telstra.net dns.telstra.net`

Analysis

IP Addresses

heuristicsystems.com points to an IP address: 203.41.22.114.

Other host names, for instance heuristicsystems.com.au, share IP numbers with heuristicsystems.com.

Name Servers

Two name servers ns0.telstra.net and ns1.telstra.net handle the delegation for heuristicsystems.com.

heuristicsystems.com shares the same name server setup as other domains, for instance sorellavita.co.uk, nlc.org.au, solomonind.com.au, burnbrite.com.au and recycledbattery.net.au.

heuristicsystems.com at least partially shares name servers with other domains, for instance cbnc.com.au, pickardsofmelbourne.com.au, profarmergrain.net.au, cairnsartsandculturemap.com.au and 149.243.103.in-addr.arpa.

These name servers are commonly used with the following: dns0.optus.net.au, dns1.optus.net.au, ns-edc.bendigobank.net.au and ns-m2c.bendigobank.net.au.

Host names with three IP numbers:

ns0.telstra.net points to: 2001:8000:0:3100:9999::11, 203.50.248.5 and 203.50.248.11.

ns1.telstra.net points to: 2001:8000:0:3100:9999::12, 203.50.248.6 and 203.50.248.12.

Mail Servers

heuristicsystems.com is handled by a single mail server, hermes.heuristicsystems.com.au.

The mail server setup for heuristicsystems.com is the same as for other domains, such as heuristicsystems.com.au.

The host name hermes.heuristicsystems.com.au points to IP 203.41.22.115.

heuristicsystems.com - robtex.com