`worldwebbooks.com`

DNSSEC	⚠️ Not signed
A	124.187.48.201^{🇦🇺 ASN-TELSTRA124.176.0.0/12 Telstra Corporation Limited 242 Exhibition Street}
		PTR	`cpe-124-187-48-201.static.qld.asp.telstra.net`
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`
MX	`mail.mcent.com.au` ⭐
		A	110.143.101.93^{🇦🇺 ASN-TELSTRA110.143.0.0/16 Telstra Corporation Limited 242 Exhibition Street}
			PTR	`wor3444321.lnk.telstra.net`
MX	`postoffice.telstra.net`^(65535)
		A	203.50.40.137^{🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street}
			PTR	`pit-postoffice.telstra.net`
		A	203.50.90.137^{🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street}
			PTR	`exi-postoffice.telstra.net`
SOA	`ns0.telstra.net`michael@mcent.com.au 2001-06-27 #34

`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=1784694272

Same first word

worldwebbooks.com.au

worldwebbooks.com

DNS History

9 records (5 active, 4 former)

●NSns0.telstra.net2015-05-27 → 2026-07-22 · 2 obs

● 2015-05-27 20:42:04
● 2026-07-22 04:41:38

●NSns1.telstra.net2015-05-27 → 2026-07-22 · 2 obs

● 2015-05-27 20:42:04
● 2026-07-22 04:41:38

○MXmail.bundyhicks.com2015-05-27 → 2017-05-13 · 4 obs

● 2015-05-27 20:42:04
● 2017-05-13 18:11:58
○ 2026-05-26 19:25:00
○ 2026-07-22 04:41:38

●MXmail.mcent.com.au2015-05-27 → 2026-07-22 · 2 obs

● 2015-05-27 20:42:04
● 2026-07-22 04:41:38

●MXpostoffice.telstra.net2015-05-27 → 2026-07-22 · 2 obs

● 2015-05-27 20:42:04
● 2026-07-22 04:41:38

○A101.187.117.2242016-03-10 → 2016-04-12 · 5 obs

○ 2015-12-13 17:18:38
● 2016-03-10 00:09:34
● 2016-04-12 23:04:48
○ 2016-11-08 18:18:16
○ 2026-07-22 04:41:38

○A110.142.1.22016-11-08 → 2017-05-13 · 5 obs

○ 2016-04-12 23:04:48
● 2016-11-08 18:18:16
● 2017-05-13 18:11:58
○ 2026-05-26 19:25:00
○ 2026-07-22 04:41:38

●A124.187.48.2012026-05-26 → 2026-07-22 · 3 obs

○ 2017-05-13 18:11:58
● 2026-05-26 19:25:00
● 2026-07-22 04:41:38

○A60.231.152.412015-05-27 → 2015-12-13 · 4 obs

● 2015-05-27 20:42:04
● 2015-12-13 17:18:38
○ 2016-03-10 00:09:34
○ 2026-07-22 04:41:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
worldwebbooks.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 worldwebbooks.com (unsigned zone)

⏱️ Timing

Total: 1335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`124.187.48.201`
NS	2	`ns1.telstra.net, ns0.telstra.net`
MX	2	`postoffice.telstra.net (pri: 65535), mail.mcent.com.au (pri: 10)`
SOA	1	`ns0.telstra.net michael.mcent.com.au`

Analysis

IP Addresses

worldwebbooks.com resolves to one IP address: 124.187.48.201.

wwb.com.au, workinginthe(0x6e756465).com, bisnet.org and two other host names share IP numbers with worldwebbooks.com.

Name Servers

worldwebbooks.com has two authoritative name servers — ns0.telstra.net and ns1.telstra.net.

worldwebbooks.com uses the same name servers as several other domains — among them netlotto.net.au, residualvalue.com.au, aimlab.com and two more.

There is at least partial name server overlap between worldwebbooks.com and other domains — ticketek.info, fendt.co.nz, abooks.com.au and two more among them.

These name servers frequently co-occur with the name servers dns0.optus.net.au and dns1.optus.net.au.

Hostnames that resolve to three IP addresses:

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

Mail Servers

Mail for worldwebbooks.com is handled by two mail servers — postoffice.telstra.net and mail.mcent.com.au.

worldwebbooks.com uses the same mail servers as other domains — for example wwb.com.au, secomp.com.au and mcent.com.au.

worldwebbooks.com has at least partial mail server overlap with other domains such as saraceno.net.au, anitec.com.au, socks.org and two more.

These mail servers are routinely found in combination with the mail servers mail2.webtechservices.com.au, mail.webtechservices.com.au and mail.netcore.com.au.

Hostnames that resolve to two IP addresses:

postoffice.telstra.net resolves to 203.50.40.137 and 203.50.90.137.

Hosts with just one IP address:

mail.mcent.com.au resolves to 110.143.101.93.

worldwebbooks.com - robtex.com